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U.S. Expansion

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  • Comprehensive U.S. Expansion Representation

    Our U.S. expansion team assists start-ups, scale-ups, and other high-growth companies throughout their U.S. lifecycle—including with U.S. launch, expansion, fundraising, partnerships, M&A, and IPO—and helps facilitate access to our global network of capital providers, corporates, and advisors.

  • An Experienced U.S. Expansion Team

    We have advised hundreds of non-U.S. start-up and growth-stage technology companies, including clients based in Canada, South and Central America, Australia, Greater Asia, the U.K., Israel, and much of the EMEA region.

When technology-driven companies decide to enter the U.S. market—whether to expand, raise investment capital, or pursue a key transaction—Wilson Sonsini offers those companies distinct advantages:

  • Unmatched experience representing U.S. and non-U.S. growth companies
  • Established connections to U.S. and non-U.S. investment sources
  • Comprehensive U.S. corporate, commercial, IP, employment, regulatory, and litigation representation

The firm’s U.S. expansion team has advised hundreds of non-U.S. start-up and growth-stage technology companies, including clients based in Canada, South and Central America, Australia, Greater Asia, the U.K., Israel, and much of the EMEA region.

We also work closely with key local stakeholders in those regions—investors, accelerators, incubators, professional advisors, strategic partners, and government economic development agencies—to provide home market support on U.S. matters and ensure our clients have the right teams around them to succeed in the United States.

Unmatched Experience Representing U.S. and Non-U.S. Growth Companies

Not only does the firm have attorneys focused on advising companies expanding into the U.S., but our 60-plus years of experience representing growth-oriented enterprises have helped us become the premier legal service provider to U.S. technology, life sciences, and energy companies.

First, Wilson Sonsini is consistently ranked No. 1 for the number of company-side deals handled each year, according to LSEG. Second, the firm is consistently ranked by Bloomberg, Thomson Reuters, and CapitalIQ as a leading advisor to companies and underwriters based on the number of completed IPOs and other public offerings. And third, the firm was recently ranked among the top firms worldwide, based on the number of M&A deals, in the 2024 Global M&A Review published by LSEG.

In addition, we are consistently ranked as the nation's leading law firm representing venture-backed companies, counseling thousands of entrepreneurs starting new businesses and advising on  initial formation, equity structures, investor negotiations, intellectual property rights, and other issues vital to their success.

Established Connections to U.S. and Non-U.S. Investment Sources

The firm has an established, ever-growing network of contacts in the most important investment communities for start-ups and growth companies. From angel investors and accelerators to investment banks and venture capital firms, we offer clients important connections to funding sources throughout the U.S. and in many key non-U.S. markets.

Comprehensive U.S. Corporate, Commercial, IP, Employment, Regulatory, and Litigation Representation

With more than 1000 attorneys and 17 offices in technology and business hubs worldwide, Wilson Sonsini has the capacity to meet the diverse U.S. needs of technology-driven companies based outside of the U.S., and sophisticated transactional practices to assist clients as they grow and evolve.

When our clients are ready to raise additional capital, our corporate finance attorneys help them complete equity, debt, and structured finance transactions. As our corporate clients expand, they rely on the firm's Finance, M&A, IP, Technology Transactions, Tax, and Real Estate practices, among others. Our attorneys have also handled numerous spin-off and going-private transactions on behalf of corporate clients.

In addition, Wilson Sonsini has experienced employment, executive compensation, and employee benefits attorneys to help our clients manage people, products, and processes, and retain and manage talented executives and staff.

Our Intellectual Property and Trade Secret practices protect the valuable, innovative products and business processes that form our clients’ foundation. As these ideas and innovations continue to develop, our attorneys are able to provide strategic patent and trademark counsel. We also help our clients manage their global IP portfolios, including patent and trademark filings and maintenance in U.S. and non-U.S. markets. Further, we advise companies on how to retain their IP rights and trade secrets as employees leave their organizations.

Wilson Sonsini frequently represents clients in scores of proceedings involving federal and state regulatory agencies, particularly the U.S. Federal Trade Commission (FTC), the Securities Exchange Commission (SEC), and their state equivalents. We have successfully defended clients against claims of anti-competitive behavior, consumer fraud, privacy law violations, cybersecurity breaches, and securities law infractions. Further, as regulatory pressures have increased with respect to the exportation of goods to (and business conduct in) global markets, our attorneys, many of whom previously held positions with the SEC, Department of Justice, and other government agencies, are well-placed to assist clients facing government inquiries and/or investigations, including those related to export controls and economic sanctions, Foreign Corrupt Practices Act (FCPA) laws, and matters involving Committee on Foreign Investment in the United States (CFIUS) and national security issues.

As companies grow, unfortunately, they often become involved in a proportionately larger number of business disputes. Our attorneys have successfully represented clients engaged in litigation with competitors, suppliers, service providers, employees, and other entities, with disputes ranging from private antitrust lawsuits to high-stakes patent litigation. We have also successfully defended companies in class actions, including antitrust, consumer, and securities litigation matters. In addition to representing companies in federal and state courts throughout the U.S., our attorneys represent corporate clients in arbitrations and mediations.

As our clients continue to expand in the U.S, we are well-positioned to provide support with respect to the following areas, among others:

  • Early corporate organization
  • Venture financing and private equity
  • Corporate (M&A and public equity-IPO exit)
  • Tax
  • Intellectual property
  • Technology transactions
  • Employment and executive compensation/benefits matters
  • Commercial contracts and partnerships
  • Data privacy
  • Regulatory (antitrust, privacy and data protection, exports, FCPA/CFIUS)
  • Litigation
  • Real estate

This interdisciplinary approach, along with the breadth and depth of our practice, allows us to serve as a strategic advisor through each stage of a company's growth.

Overview

When technology-driven companies decide to enter the U.S. market—whether to expand, raise investment capital, or pursue a key transaction—Wilson Sonsini offers those companies distinct advantages:

  • Unmatched experience representing U.S. and non-U.S. growth companies
  • Established connections to U.S. and non-U.S. investment sources
  • Comprehensive U.S. corporate, commercial, IP, employment, regulatory, and litigation representation

The firm’s U.S. expansion team has advised hundreds of non-U.S. start-up and growth-stage technology companies, including clients based in Canada, South and Central America, Australia, Greater Asia, the U.K., Israel, and much of the EMEA region.

We also work closely with key local stakeholders in those regions—investors, accelerators, incubators, professional advisors, strategic partners, and government economic development agencies—to provide home market support on U.S. matters and ensure our clients have the right teams around them to succeed in the United States.

Unmatched Experience Representing U.S. and Non-U.S. Growth Companies

Not only does the firm have attorneys focused on advising companies expanding into the U.S., but our 60-plus years of experience representing growth-oriented enterprises have helped us become the premier legal service provider to U.S. technology, life sciences, and energy companies.

First, Wilson Sonsini is consistently ranked No. 1 for the number of company-side deals handled each year, according to LSEG. Second, the firm is consistently ranked by Bloomberg, Thomson Reuters, and CapitalIQ as a leading advisor to companies and underwriters based on the number of completed IPOs and other public offerings. And third, the firm was recently ranked among the top firms worldwide, based on the number of M&A deals, in the 2024 Global M&A Review published by LSEG.

In addition, we are consistently ranked as the nation's leading law firm representing venture-backed companies, counseling thousands of entrepreneurs starting new businesses and advising on  initial formation, equity structures, investor negotiations, intellectual property rights, and other issues vital to their success.

Established Connections to U.S. and Non-U.S. Investment Sources

The firm has an established, ever-growing network of contacts in the most important investment communities for start-ups and growth companies. From angel investors and accelerators to investment banks and venture capital firms, we offer clients important connections to funding sources throughout the U.S. and in many key non-U.S. markets.

Comprehensive U.S. Corporate, Commercial, IP, Employment, Regulatory, and Litigation Representation

With more than 1000 attorneys and 17 offices in technology and business hubs worldwide, Wilson Sonsini has the capacity to meet the diverse U.S. needs of technology-driven companies based outside of the U.S., and sophisticated transactional practices to assist clients as they grow and evolve.

When our clients are ready to raise additional capital, our corporate finance attorneys help them complete equity, debt, and structured finance transactions. As our corporate clients expand, they rely on the firm's Finance, M&A, IP, Technology Transactions, Tax, and Real Estate practices, among others. Our attorneys have also handled numerous spin-off and going-private transactions on behalf of corporate clients.

In addition, Wilson Sonsini has experienced employment, executive compensation, and employee benefits attorneys to help our clients manage people, products, and processes, and retain and manage talented executives and staff.

Our Intellectual Property and Trade Secret practices protect the valuable, innovative products and business processes that form our clients’ foundation. As these ideas and innovations continue to develop, our attorneys are able to provide strategic patent and trademark counsel. We also help our clients manage their global IP portfolios, including patent and trademark filings and maintenance in U.S. and non-U.S. markets. Further, we advise companies on how to retain their IP rights and trade secrets as employees leave their organizations.

Wilson Sonsini frequently represents clients in scores of proceedings involving federal and state regulatory agencies, particularly the U.S. Federal Trade Commission (FTC), the Securities Exchange Commission (SEC), and their state equivalents. We have successfully defended clients against claims of anti-competitive behavior, consumer fraud, privacy law violations, cybersecurity breaches, and securities law infractions. Further, as regulatory pressures have increased with respect to the exportation of goods to (and business conduct in) global markets, our attorneys, many of whom previously held positions with the SEC, Department of Justice, and other government agencies, are well-placed to assist clients facing government inquiries and/or investigations, including those related to export controls and economic sanctions, Foreign Corrupt Practices Act (FCPA) laws, and matters involving Committee on Foreign Investment in the United States (CFIUS) and national security issues.

As companies grow, unfortunately, they often become involved in a proportionately larger number of business disputes. Our attorneys have successfully represented clients engaged in litigation with competitors, suppliers, service providers, employees, and other entities, with disputes ranging from private antitrust lawsuits to high-stakes patent litigation. We have also successfully defended companies in class actions, including antitrust, consumer, and securities litigation matters. In addition to representing companies in federal and state courts throughout the U.S., our attorneys represent corporate clients in arbitrations and mediations.

As our clients continue to expand in the U.S, we are well-positioned to provide support with respect to the following areas, among others:

  • Early corporate organization
  • Venture financing and private equity
  • Corporate (M&A and public equity-IPO exit)
  • Tax
  • Intellectual property
  • Technology transactions
  • Employment and executive compensation/benefits matters
  • Commercial contracts and partnerships
  • Data privacy
  • Regulatory (antitrust, privacy and data protection, exports, FCPA/CFIUS)
  • Litigation
  • Real estate

This interdisciplinary approach, along with the breadth and depth of our practice, allows us to serve as a strategic advisor through each stage of a company's growth.

Alerts
The “Friendly Buyer” Fallacy: Why U.S. Ownership Is No Longer a Regulatory Safe Bet
Over the past decade, the number of countries with foreign direct investment (FDI) screening regimes has more than doubled. What was once a niche, rarely-used regulatory tool has become a standard feature of global deal-making and a routine consideration in cross-border M&A, including U.S. to U.S. transactions that involve the indirect acquisition of foreign subsidiaries. As jurisdictions continue to strengthen their FDI screening regimes, parties are seeing more U.S.-led deals encounter longer and more intrusive reviews and increasingly complex conditions as a condition of approval.
Client Advisories
North Korea-Linked Schemes to Obtain Employment in U.S. Tech Companies: What You Need to Know and How to Respond
During the past few years, operatives associated with the Democratic People’s Republic of Korea (North Korea or the DPRK) have reportedly infiltrated hundreds of U.S. companies by fraudulently posing as legitimate remote IT workers. The perpetrators, together with accomplices across multiple jurisdictions (including inside the U.S.), funnel wages back to North Korea in violation of economic sanctions, and in many cases steal company data, source code, and trade secrets. In a smaller subset of cases, after being discovered and terminated, perpetrators have released, or threatened to release, sensitive company data and attempted to extort ransom payments.
Alerts
Re-Routing the Market: FCC Adds Foreign-Produced Consumer Routers to Its Covered List
On March 23, 2026, the Federal Communications Commission (FCC) added consumer-grade routers produced in foreign countries to its Covered List (Router Action), with limited exceptions for routers that have been granted a Conditional Approval by the U.S. Department of Defense (DoD), also referred to as the U.S. Department of War (DoW), or the U.S. Department of Homeland Security (DHS).
Alerts
Questions About AI in Shareholder Engagement Meetings
With the impact of artificial intelligence (AI) on everyone’s mind, companies are seeing investors ask an increasing number of AI-focused questions in shareholder engagement meetings. These questions reflect a growing consensus among institutional investors that effective AI governance is inextricably linked to fiduciary duty, long-term financial performance, and sustainable economic growth drivers. Although the answers to these questions are necessarily company-specific, we believe that it is important for companies to prepare for AI-related questions from investors.
Newsletters
2025 Mid-Year Technology and Life Sciences PIPE and RDO Report
Dive into our mid-year review of 68 PIPEs and RDOs by U.S. technology and life sciences firms between January 1 and June 30, 2025. Key findings include a decline in life sciences activity and robust strength in the technology sector.
Client Advisories
The Non-U.S. Start-Up’s Guide to Navigating the U.S. Tax Implications of U.S. VC Investment
U.S. start-up investors are increasingly looking overseas for investment opportunities. As U.S. investment in UK and other non-U.S. start-ups rises, founders of those start-ups should be aware of the potential impact of the “controlled foreign corporation” (CFC) and “passive foreign investment company” (PFIC) taxation regimes on U.S. investors who invest in non-U.S. start-ups. 
View All
Insights
Alerts
The “Friendly Buyer” Fallacy: Why U.S. Ownership Is No Longer a Regulatory Safe Bet
Over the past decade, the number of countries with foreign direct investment (FDI) screening regimes has more than doubled. What was once a niche, rarely-used regulatory tool has become a standard feature of global deal-making and a routine consideration in cross-border M&A, including U.S. to U.S. transactions that involve the indirect acquisition of foreign subsidiaries. As jurisdictions continue to strengthen their FDI screening regimes, parties are seeing more U.S.-led deals encounter longer and more intrusive reviews and increasingly complex conditions as a condition of approval.
Client Advisories
North Korea-Linked Schemes to Obtain Employment in U.S. Tech Companies: What You Need to Know and How to Respond
During the past few years, operatives associated with the Democratic People’s Republic of Korea (North Korea or the DPRK) have reportedly infiltrated hundreds of U.S. companies by fraudulently posing as legitimate remote IT workers. The perpetrators, together with accomplices across multiple jurisdictions (including inside the U.S.), funnel wages back to North Korea in violation of economic sanctions, and in many cases steal company data, source code, and trade secrets. In a smaller subset of cases, after being discovered and terminated, perpetrators have released, or threatened to release, sensitive company data and attempted to extort ransom payments.
Alerts
Re-Routing the Market: FCC Adds Foreign-Produced Consumer Routers to Its Covered List
On March 23, 2026, the Federal Communications Commission (FCC) added consumer-grade routers produced in foreign countries to its Covered List (Router Action), with limited exceptions for routers that have been granted a Conditional Approval by the U.S. Department of Defense (DoD), also referred to as the U.S. Department of War (DoW), or the U.S. Department of Homeland Security (DHS).
Alerts
Questions About AI in Shareholder Engagement Meetings
With the impact of artificial intelligence (AI) on everyone’s mind, companies are seeing investors ask an increasing number of AI-focused questions in shareholder engagement meetings. These questions reflect a growing consensus among institutional investors that effective AI governance is inextricably linked to fiduciary duty, long-term financial performance, and sustainable economic growth drivers. Although the answers to these questions are necessarily company-specific, we believe that it is important for companies to prepare for AI-related questions from investors.
Newsletters
2025 Mid-Year Technology and Life Sciences PIPE and RDO Report
Dive into our mid-year review of 68 PIPEs and RDOs by U.S. technology and life sciences firms between January 1 and June 30, 2025. Key findings include a decline in life sciences activity and robust strength in the technology sector.
Client Advisories
The Non-U.S. Start-Up’s Guide to Navigating the U.S. Tax Implications of U.S. VC Investment
U.S. start-up investors are increasingly looking overseas for investment opportunities. As U.S. investment in UK and other non-U.S. start-ups rises, founders of those start-ups should be aware of the potential impact of the “controlled foreign corporation” (CFC) and “passive foreign investment company” (PFIC) taxation regimes on U.S. investors who invest in non-U.S. start-ups. 
View All
WSGR Events
Coming to America Series: Hiring and Scaling a US Team: What U.K. Companies Need to Know When Expanding
Wilson Sonsini is pleased to invite you to a panel discussion in London designed specifically for UK-based companies planning to expand operations into the U.S. This session will provide a practical overview of the key operational, strategic, and legal considerations when hiring employees in the U.S. This workshop is ideal for founders, HR leaders, legal teams, and executives responsible for U.S. expansion strategy.
Speaking Engagements
2026 SelectUSA Investment Summit
Wilson Sonsini is proud to support the SelectUSA Investment Summit, the highest profile event in the US to facilitate business investment by connecting thousands of investors, companies, economic development organizations (EDOs), and industry experts to make deals happen.
Affiliated Programs
Scaling Stateside US VC Fundraising Workshop
Calling all European founders! If US VC fundraising is on your roadmap for 2026, come and spend a morning with us in London. We'll feature:
Affiliated Programs
Choose NJ: Opportunities and Incentives for Tech & Life Sciences Companies
A common question from UK and other European emerging technology and life sciences companies considering U.S. expansion is where to establish their U.S. operations. The state of New Jersey offers a hotbed of skilled talent and attractive locations, among other benefits.
Affiliated Programs
AI Collective Education: Breaking into the US Market for UK/EU AI Founders
​Breaking into the US market can unlock massive growth for UK and EU AI companies, but success requires rethinking fundraising, hiring, operations, and competitive strategy before you need it.
Speaking Engagements
Founder Success: UK vs. U.S. Term Sheets
Whether you’re a founder raising capital or an investor supporting early-stage companies, understanding how term sheets differ across regions is essential to navigating international fundraising with confidence.
View All
Events
WSGR Events
Coming to America Series: Hiring and Scaling a US Team: What U.K. Companies Need to Know When Expanding
Wilson Sonsini is pleased to invite you to a panel discussion in London designed specifically for UK-based companies planning to expand operations into the U.S. This session will provide a practical overview of the key operational, strategic, and legal considerations when hiring employees in the U.S. This workshop is ideal for founders, HR leaders, legal teams, and executives responsible for U.S. expansion strategy.
Speaking Engagements
2026 SelectUSA Investment Summit
Wilson Sonsini is proud to support the SelectUSA Investment Summit, the highest profile event in the US to facilitate business investment by connecting thousands of investors, companies, economic development organizations (EDOs), and industry experts to make deals happen.
Affiliated Programs
Scaling Stateside US VC Fundraising Workshop
Calling all European founders! If US VC fundraising is on your roadmap for 2026, come and spend a morning with us in London. We'll feature:
Affiliated Programs
Choose NJ: Opportunities and Incentives for Tech & Life Sciences Companies
A common question from UK and other European emerging technology and life sciences companies considering U.S. expansion is where to establish their U.S. operations. The state of New Jersey offers a hotbed of skilled talent and attractive locations, among other benefits.
Affiliated Programs
AI Collective Education: Breaking into the US Market for UK/EU AI Founders
​Breaking into the US market can unlock massive growth for UK and EU AI companies, but success requires rethinking fundraising, hiring, operations, and competitive strategy before you need it.
Speaking Engagements
Founder Success: UK vs. U.S. Term Sheets
Whether you’re a founder raising capital or an investor supporting early-stage companies, understanding how term sheets differ across regions is essential to navigating international fundraising with confidence.
View All
Daniel Glazer
Partner
London
Daniel counsels UK and European tech and life sciences companies on U.S. expansion and fundraising.
  • Corporate
View Profile
Sean Semmler
U.S. Expansion Counsel
Sean Semmler is the lead U.S. Expansion Counsel at Wilson Sonsini Goodrich Rosati, where he advises start-ups, scale-ups, and other high-growth companies from all over the world throughout their U.S. lifecycle, including their U.S. launch, expansion, fundraising, partnerships, M&A, and IPO. Sean has advised hundreds of clients on a range of issues, including entity formation, EIN applications, regulatory compliance, and ongoing corporate governance.
  • Corporate
View Profile
Yoichiro (Yokum) Taku
Partner
Palo Alto
Yokum focuses on helping technology and growth companies at all stages of development.
  • Corporate
View Profile
Steven V. Bernard
Partner
Palo Alto

Steve has represented non-U.S. and domestic companies in U.S. IPOs, global securities offerings, cross-border M&A, and SEC compliance for more than 25 years.

  • Corporate
View Profile
Jose M. Campos
Partner
London
Jose Campos is a partner in Wilson Sonsini’s London office, where he focuses on advising U.S. and European technology start-ups and scale-ups through all stages of their U.S. life cycle, including incorporation, venture capital financings, mergers and acquisitions, and other strategic transactions.  He also supports investors that invest in technology companies. He is well-versed in assisting non-U.S. technology companies with their U.S. expansion plans and “flipping” into U.S. holding companies. Jose’s broad and varied experience gives him unique insight into advising technology companies on their growth and expansion plans.
  • Corporate
View Profile
Bradley H. Doline
Partner
London

Brad brings significant expertise in cross-border transactions across a range of sectors, with a particular focus on emerging companies, venture capital, and fund formation.

  • Corporate
View Profile
Richard Goold
Partner
London
Richard Goold is a partner in the London office of Wilson Sonsini Goodrich & Rosati, where he supports public and private technology, life sciences, and emerging growth companies through all stages of their growth. He is a trusted business and legal advisor to companies that undertake transformative events—primarily venture/growth/private equity financings, acquisitions, and M&A/IPO exits.
  • Corporate
View Profile
Gary R. Greenstein
Partner
Washington, D.C.
Gary represents companies in transactions with record labels, music publishers, and program suppliers focusing on intellectual property, licensing, and commercial transactions.
  • Technology Transactions
View Profile
Michael C. Labriola
Partner
London
Michael Labriola is a partner with Wilson Sonsini Goodrich & Rosati, where he counsels public and private technology, life sciences, and emerging growth companies through all stages of their growth. Michael has particular experience with Wilson Sonsini’s clients across the U.S. East Coast and Europe. He has a particular focus on supporting companies that undertake transformative events, such as growth financings, IPOs, acquisitions, and exit sales. Michael counsels clients in matters ranging from formation and early-stage venture financing to listings of publicly traded securities on U.S. and foreign exchanges to seasoned public offerings and private and public company acquisitions. He also has considerable experience in counseling publicly held companies on disclosure matters, SEC compliance, Nasdaq and NYSE listing matters, and other securities laws issues. In addition, Michael frequently represents investment banks, venture capital funds, and private equity firms in a broad range of investment transactions.
  • Corporate
View Profile
Lou Lieto
Partner
Boston
Dr. Lieto focuses on patent law-related matters for clients in the life sciences industry.
  • Patents and Innovations
View Profile
View All
People
Daniel Glazer
Partner
London
Daniel counsels UK and European tech and life sciences companies on U.S. expansion and fundraising.
  • Corporate
View Profile
Sean Semmler
U.S. Expansion Counsel
Sean Semmler is the lead U.S. Expansion Counsel at Wilson Sonsini Goodrich Rosati, where he advises start-ups, scale-ups, and other high-growth companies from all over the world throughout their U.S. lifecycle, including their U.S. launch, expansion, fundraising, partnerships, M&A, and IPO. Sean has advised hundreds of clients on a range of issues, including entity formation, EIN applications, regulatory compliance, and ongoing corporate governance.
  • Corporate
View Profile
Yoichiro (Yokum) Taku
Partner
Palo Alto
Yokum focuses on helping technology and growth companies at all stages of development.
  • Corporate
View Profile
Steven V. Bernard
Partner
Palo Alto

Steve has represented non-U.S. and domestic companies in U.S. IPOs, global securities offerings, cross-border M&A, and SEC compliance for more than 25 years.

  • Corporate
View Profile
Jose M. Campos
Partner
London
Jose Campos is a partner in Wilson Sonsini’s London office, where he focuses on advising U.S. and European technology start-ups and scale-ups through all stages of their U.S. life cycle, including incorporation, venture capital financings, mergers and acquisitions, and other strategic transactions.  He also supports investors that invest in technology companies. He is well-versed in assisting non-U.S. technology companies with their U.S. expansion plans and “flipping” into U.S. holding companies. Jose’s broad and varied experience gives him unique insight into advising technology companies on their growth and expansion plans.
  • Corporate
View Profile
Bradley H. Doline
Partner
London

Brad brings significant expertise in cross-border transactions across a range of sectors, with a particular focus on emerging companies, venture capital, and fund formation.

  • Corporate
View Profile
Richard Goold
Partner
London
Richard Goold is a partner in the London office of Wilson Sonsini Goodrich & Rosati, where he supports public and private technology, life sciences, and emerging growth companies through all stages of their growth. He is a trusted business and legal advisor to companies that undertake transformative events—primarily venture/growth/private equity financings, acquisitions, and M&A/IPO exits.
  • Corporate
View Profile
Gary R. Greenstein
Partner
Washington, D.C.
Gary represents companies in transactions with record labels, music publishers, and program suppliers focusing on intellectual property, licensing, and commercial transactions.
  • Technology Transactions
View Profile
Michael C. Labriola
Partner
London
Michael Labriola is a partner with Wilson Sonsini Goodrich & Rosati, where he counsels public and private technology, life sciences, and emerging growth companies through all stages of their growth. Michael has particular experience with Wilson Sonsini’s clients across the U.S. East Coast and Europe. He has a particular focus on supporting companies that undertake transformative events, such as growth financings, IPOs, acquisitions, and exit sales. Michael counsels clients in matters ranging from formation and early-stage venture financing to listings of publicly traded securities on U.S. and foreign exchanges to seasoned public offerings and private and public company acquisitions. He also has considerable experience in counseling publicly held companies on disclosure matters, SEC compliance, Nasdaq and NYSE listing matters, and other securities laws issues. In addition, Michael frequently represents investment banks, venture capital funds, and private equity firms in a broad range of investment transactions.
  • Corporate
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Lou Lieto
Partner
Boston
Dr. Lieto focuses on patent law-related matters for clients in the life sciences industry.
  • Patents and Innovations
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Wilson Sonsini supports technology-driven companies from all over the world looking to expand to and scale in the United States.

Our comprehensive collection of short videos and articles offer helpful tips for technology companies seeking to enter the U.S. market or to raise capital from U.S. investors.

Use the below categories to view our extensive U.S. Expansion Resources and Library:

  • Launching in the U.S.: Steps UK companies can take to best position themselves for launching their business in the U.S.
  • Raising U.S. Funding: The dynamics of raising venture capital from U.S. investors, including when to consider raising capital, key differences between U.S. and UK funding rounds, the pros and cons of the “Delaware Flip,” and other fundraising topics.
  • Exiting to the U.S.: Selling your business is a common path to liquidity, but the process is not always simple. Sales processes in the U.S. are often bespoke to fit the risks of the parties.
  • Operating a U.S. Business: Important factors UK tech and life sciences companies should consider when operating and scaling their U.S. business. Examples include hiring and other employment matters; managing and minimizing litigation risks; negotiating commercial deals and partnering agreements; and other day-to-day business and legal issues.

For more about the U.S. expansion process, see our U.S. Expansion and Fundraising FAQs.

U.S. Expansion Library and Resources

Wilson Sonsini supports technology-driven companies from all over the world looking to expand to and scale in the United States.

Our comprehensive collection of short videos and articles offer helpful tips for technology companies seeking to enter the U.S. market or to raise capital from U.S. investors.

Use the below categories to view our extensive U.S. Expansion Resources and Library:

  • Launching in the U.S.: Steps UK companies can take to best position themselves for launching their business in the U.S.
  • Raising U.S. Funding: The dynamics of raising venture capital from U.S. investors, including when to consider raising capital, key differences between U.S. and UK funding rounds, the pros and cons of the “Delaware Flip,” and other fundraising topics.
  • Exiting to the U.S.: Selling your business is a common path to liquidity, but the process is not always simple. Sales processes in the U.S. are often bespoke to fit the risks of the parties.
  • Operating a U.S. Business: Important factors UK tech and life sciences companies should consider when operating and scaling their U.S. business. Examples include hiring and other employment matters; managing and minimizing litigation risks; negotiating commercial deals and partnering agreements; and other day-to-day business and legal issues.

For more about the U.S. expansion process, see our U.S. Expansion and Fundraising FAQs.

Related Practices
  • Emerging Companies and Venture Capital
  • Life Sciences Business Advisory Practice
  • U.S. Expansion Library and Resources
Recent Insights
Alerts
The “Friendly Buyer” Fallacy: Why U.S. Ownership Is No Longer a Regulatory Safe Bet
Over the past decade, the number of countries with foreign direct investment (FDI) screening regimes has more than doubled. What was once a niche, rarely-used regulatory tool has become a standard feature of global deal-making and a routine consideration in cross-border M&A, including U.S. to U.S. transactions that involve the indirect acquisition of foreign subsidiaries. As jurisdictions continue to strengthen their FDI screening regimes, parties are seeing more U.S.-led deals encounter longer and more intrusive reviews and increasingly complex conditions as a condition of approval.
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Client Advisories
North Korea-Linked Schemes to Obtain Employment in U.S. Tech Companies: What You Need to Know and How to Respond
During the past few years, operatives associated with the Democratic People’s Republic of Korea (North Korea or the DPRK) have reportedly infiltrated hundreds of U.S. companies by fraudulently posing as legitimate remote IT workers. The perpetrators, together with accomplices across multiple jurisdictions (including inside the U.S.), funnel wages back to North Korea in violation of economic sanctions, and in many cases steal company data, source code, and trade secrets. In a smaller subset of cases, after being discovered and terminated, perpetrators have released, or threatened to release, sensitive company data and attempted to extort ransom payments.
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Recent Events
WSGR Events
Coming to America Series: Hiring and Scaling a US Team: What U.K. Companies Need to Know When Expanding
Wilson Sonsini is pleased to invite you to a panel discussion in London designed specifically for UK-based companies planning to expand operations into the U.S. This session will provide a practical overview of the key operational, strategic, and legal considerations when hiring employees in the U.S. This workshop is ideal for founders, HR leaders, legal teams, and executives responsible for U.S. expansion strategy.
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Speaking Engagements
2026 SelectUSA Investment Summit
Wilson Sonsini is proud to support the SelectUSA Investment Summit, the highest profile event in the US to facilitate business investment by connecting thousands of investors, companies, economic development organizations (EDOs), and industry experts to make deals happen.
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