Corporate
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A Leader in Venture Financings
Wilson Sonsini is ranked as the No. 1 law firm in the U.S. and globally based on the number of company-side venture financing rounds raised for clients in 2025. (Source: LSEG Global Legal Private Equity and Venture Capital Review, Full Year 2025)
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Ranked Among the Top Capital Markets Advisors to Companies and Underwriters
We are consistently ranked by Bloomberg, Thomson Reuters, and CapitalIQ as a leading advisor to companies and underwriters based on the number of completed IPOs and equity and equity-linked offerings. Over the past 20 years, the firm has represented some of the world’s most iconic companies in such transactions, including Google, LinkedIn, Twitter, and Lyft.
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Advise on Hundreds of M&A Deals Annually
In 2025, Wilson Sonsini advised on more than 150 announced and/or completed M&A deals with an aggregate disclosed value of $100 billion.
Wilson Sonsini Goodrich & Rosati is the premier legal advisor to technology, life sciences, and growth enterprises worldwide, as well as the venture firms, private equity firms, and investment banks that finance them. We represent companies at every stage of development, from entrepreneurial start-ups to multibillion-dollar global corporations. The firm's attorneys collaborate across a comprehensive range of practice areas and industry groups to help the management, boards of directors, shareholders, and in-house counsel of our clients address their most pressing challenges and pursue their most promising opportunities.
Wilson Sonsini is nationally recognized for providing high-quality services to address the legal solutions required by its enterprise and financial institution clients. Our services include corporate law and governance, public and private offerings of equity and debt securities, mergers and acquisitions, joint ventures and strategic alliances, technology licensing and other intellectual property transactions, tax, employee benefits, and other corporate transactional areas.
Our clients are companies and other entities that compete in rapidly developing and innovative industries, including the biotech, communications, digital media, energy, financial services, medical devices, and software sectors.
Overview
Wilson Sonsini Goodrich & Rosati is the premier legal advisor to technology, life sciences, and growth enterprises worldwide, as well as the venture firms, private equity firms, and investment banks that finance them. We represent companies at every stage of development, from entrepreneurial start-ups to multibillion-dollar global corporations. The firm's attorneys collaborate across a comprehensive range of practice areas and industry groups to help the management, boards of directors, shareholders, and in-house counsel of our clients address their most pressing challenges and pursue their most promising opportunities.
Wilson Sonsini is nationally recognized for providing high-quality services to address the legal solutions required by its enterprise and financial institution clients. Our services include corporate law and governance, public and private offerings of equity and debt securities, mergers and acquisitions, joint ventures and strategic alliances, technology licensing and other intellectual property transactions, tax, employee benefits, and other corporate transactional areas.
Our clients are companies and other entities that compete in rapidly developing and innovative industries, including the biotech, communications, digital media, energy, financial services, medical devices, and software sectors.
Newsletters
The Life Sciences Report – June 2026
This latest edition features articles on accelerating new therapies under the new FDA administration, cash-pay healthcare companies possibly facing kickback and fee-splitting risk under federal and state laws, building in-house legal teams for biotech, digital health, and medical devices companies, and life sciences venture financings for firm clients across 1H2025 and 2H2025.
Client Highlights
Wilson Sonsini Advises Asana on Acquisition of StackAI
On May 28, 2026, Asana, Inc., the operating system for human-agent teams, announced that it has completed the acquisition of StackAI, a no-code AI workflow platform that enables companies to design, test, deploy, and govern custom AI agents and intelligent automation of business-critical workflows. Wilson Sonsini Goodrich & Rosati advised Asana on the transaction.
The StackAI platform connects workflows, data, and actions across enterprise systems such as ERP, CRM, and ITSM to automate operational processes like customer support, IT service requests, compliance workflows, and broader cross-functional business operations. Based in San Francisco, the company has built an impressive track record with customers across financial services, healthcare, and professional services—industries that demand the highest security, reliability, and enterprise-grade governance. Bringing StackAI and Asana together pairs cross-system execution with the platform where teams already plan and run their work alongside the context, ownership, and history of every project.
The Wilson Sonsini team that advised Asana on the transaction was led by Rich Mullen and Kaleigh Hawkins-Schulz and also included:
The StackAI platform connects workflows, data, and actions across enterprise systems such as ERP, CRM, and ITSM to automate operational processes like customer support, IT service requests, compliance workflows, and broader cross-functional business operations. Based in San Francisco, the company has built an impressive track record with customers across financial services, healthcare, and professional services—industries that demand the highest security, reliability, and enterprise-grade governance. Bringing StackAI and Asana together pairs cross-system execution with the platform where teams already plan and run their work alongside the context, ownership, and history of every project.
The Wilson Sonsini team that advised Asana on the transaction was led by Rich Mullen and Kaleigh Hawkins-Schulz and also included:
Client Highlights
Wilson Sonsini Advises Isomorphic Labs on $2.1 Billion Series B Investment Round
On May 12, 2026, Isomorphic Labs, an AI-first drug design and development company, announced it has raised $2.1 billion in Series B funding. The financing round is led by Thrive Capital, and includes participation from existing backers Alphabet and GV alongside new investors MGX, Temasek, CapitalG, and the UK Sovereign AI Fund, significantly expanding Isomorphic Labs’ global capital base. Wilson Sonsini Goodrich & Rosati advised Isomorphic Labs on the transaction.
Client Highlights
Wilson Sonsini Advises Luminopia on Licensing Agreement with ROHTO
On June 2, 2026, Luminopia, Inc., a digital health company pioneering a new class of treatments for neuro-visual disorders, announced its first international licensing agreement with ROHTO Pharmaceutical Co., LTD, a Japanese multinational corporation specializing in consumer products and pharmaceuticals. Wilson Sonsini Goodrich & Rosati advised Luminopia on the transaction.
Client Highlights
Firm Advises Noctrix on Acquisition by Resmed
On June 1, 2026, Resmed, a medical device company that develops, manufactures, and distributes medical equipment for the diagnosis, treatment, and management of respiratory disorders, announced it has closed on its acquisition of Noctrix Health, a medical device company that developed and manufactures a novel therapy to treat drug-refractory Restless Legs Syndrome (RLS) for $340 million. Wilson Sonsini Goodrich & Rosati advised Noctrix on the transaction.
Blog Posts
SEC Chairman Invites Comment on Modernizing the IPO Process
In remarks delivered on May 26, 2026, at the Stanford Rock Center for Corporate Governance, SEC Chairman Paul S. Atkins expressly invited public input on how the Commission should improve and modernize the IPO process. The remarks indicate that the Commission is prepared to consider whether long-standing rules governing offering communications, routes to the public markets, and disclosure obligations continue to serve capital formation efficiently in the current market environment. The SEC has provided an online form for submission of comments, and Chairman Atkins requested that any comments be submitted by July 27, 2026.
Insights
Newsletters
The Life Sciences Report – June 2026
This latest edition features articles on accelerating new therapies under the new FDA administration, cash-pay healthcare companies possibly facing kickback and fee-splitting risk under federal and state laws, building in-house legal teams for biotech, digital health, and medical devices companies, and life sciences venture financings for firm clients across 1H2025 and 2H2025.
Client Highlights
Wilson Sonsini Advises Asana on Acquisition of StackAI
On May 28, 2026, Asana, Inc., the operating system for human-agent teams, announced that it has completed the acquisition of StackAI, a no-code AI workflow platform that enables companies to design, test, deploy, and govern custom AI agents and intelligent automation of business-critical workflows. Wilson Sonsini Goodrich & Rosati advised Asana on the transaction.
The StackAI platform connects workflows, data, and actions across enterprise systems such as ERP, CRM, and ITSM to automate operational processes like customer support, IT service requests, compliance workflows, and broader cross-functional business operations. Based in San Francisco, the company has built an impressive track record with customers across financial services, healthcare, and professional services—industries that demand the highest security, reliability, and enterprise-grade governance. Bringing StackAI and Asana together pairs cross-system execution with the platform where teams already plan and run their work alongside the context, ownership, and history of every project.
The Wilson Sonsini team that advised Asana on the transaction was led by Rich Mullen and Kaleigh Hawkins-Schulz and also included:
The StackAI platform connects workflows, data, and actions across enterprise systems such as ERP, CRM, and ITSM to automate operational processes like customer support, IT service requests, compliance workflows, and broader cross-functional business operations. Based in San Francisco, the company has built an impressive track record with customers across financial services, healthcare, and professional services—industries that demand the highest security, reliability, and enterprise-grade governance. Bringing StackAI and Asana together pairs cross-system execution with the platform where teams already plan and run their work alongside the context, ownership, and history of every project.
The Wilson Sonsini team that advised Asana on the transaction was led by Rich Mullen and Kaleigh Hawkins-Schulz and also included:
Client Highlights
Wilson Sonsini Advises Isomorphic Labs on $2.1 Billion Series B Investment Round
On May 12, 2026, Isomorphic Labs, an AI-first drug design and development company, announced it has raised $2.1 billion in Series B funding. The financing round is led by Thrive Capital, and includes participation from existing backers Alphabet and GV alongside new investors MGX, Temasek, CapitalG, and the UK Sovereign AI Fund, significantly expanding Isomorphic Labs’ global capital base. Wilson Sonsini Goodrich & Rosati advised Isomorphic Labs on the transaction.
Client Highlights
Wilson Sonsini Advises Luminopia on Licensing Agreement with ROHTO
On June 2, 2026, Luminopia, Inc., a digital health company pioneering a new class of treatments for neuro-visual disorders, announced its first international licensing agreement with ROHTO Pharmaceutical Co., LTD, a Japanese multinational corporation specializing in consumer products and pharmaceuticals. Wilson Sonsini Goodrich & Rosati advised Luminopia on the transaction.
Client Highlights
Firm Advises Noctrix on Acquisition by Resmed
On June 1, 2026, Resmed, a medical device company that develops, manufactures, and distributes medical equipment for the diagnosis, treatment, and management of respiratory disorders, announced it has closed on its acquisition of Noctrix Health, a medical device company that developed and manufactures a novel therapy to treat drug-refractory Restless Legs Syndrome (RLS) for $340 million. Wilson Sonsini Goodrich & Rosati advised Noctrix on the transaction.
Blog Posts
SEC Chairman Invites Comment on Modernizing the IPO Process
In remarks delivered on May 26, 2026, at the Stanford Rock Center for Corporate Governance, SEC Chairman Paul S. Atkins expressly invited public input on how the Commission should improve and modernize the IPO process. The remarks indicate that the Commission is prepared to consider whether long-standing rules governing offering communications, routes to the public markets, and disclosure obligations continue to serve capital formation efficiently in the current market environment. The SEC has provided an online form for submission of comments, and Chairman Atkins requested that any comments be submitted by July 27, 2026.
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.
Affiliated Programs
Third Annual: Rome Conference on AI, Ethics, and Governance
The Third Annual Conference on AI, Ethics, and Governance will once again convene global leaders across technology, business, policy, academia, and civil society to examine the profound and far-reaching impact of artificial intelligence (AI). Building on prior years, this year’s conference places a heightened emphasis on ethics and the transformative nature of AI.
Affiliated Programs
The L Suite Fintech GC Dinner Salon
Wilson Sonsini is delighted to sponsor an exclusive dinner for general counsel and chief legal officers from high-growth fintech companies. Co-hosted by The L Suite, this program is designed to foster peer-driven conversations, establish new connections, and reinforce existing ones.
Affiliated Programs
The L Suite Webinar: Inside the Deal - How GCs and Their Teams Actually Run M&A
On June 16, Wilson Sonsini and The L Suite will co-host a webinar, “Inside the Deal: How GCs and Their Teams Actually Run M&A.” The virtual panel will explore how general counsel and their deputies operate during live transactions.
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.
Affiliated Programs
Third Annual: Rome Conference on AI, Ethics, and Governance
The Third Annual Conference on AI, Ethics, and Governance will once again convene global leaders across technology, business, policy, academia, and civil society to examine the profound and far-reaching impact of artificial intelligence (AI). Building on prior years, this year’s conference places a heightened emphasis on ethics and the transformative nature of AI.
Affiliated Programs
The L Suite Fintech GC Dinner Salon
Wilson Sonsini is delighted to sponsor an exclusive dinner for general counsel and chief legal officers from high-growth fintech companies. Co-hosted by The L Suite, this program is designed to foster peer-driven conversations, establish new connections, and reinforce existing ones.
Affiliated Programs
The L Suite Webinar: Inside the Deal - How GCs and Their Teams Actually Run M&A
On June 16, Wilson Sonsini and The L Suite will co-host a webinar, “Inside the Deal: How GCs and Their Teams Actually Run M&A.” The virtual panel will explore how general counsel and their deputies operate during live transactions.
Lester Ang
Partner
Lester Ang is a corporate and securities partner in the Palo Alto office of Wilson Sonsini, where he works with private and public technology and life sciences companies through all stages of their growth, as well as with venture capital firms and private equity firms.
Brian Appel
Partner
Brian Appel is a partner in the Palo Alto office of Wilson Sonsini Goodrich & Rosati, where he practices corporate and securities law. He advises companies on general corporate matters, including formation and operation, corporate governance, debt and equity financings, mergers and acquisitions, and securities-related matters. He has assisted early-stage companies in numerous capital-raising transactions, including venture capital financings.
Megan J. Baier
Partner
Megan represents technology and life sciences clients in corporate transactional matters.
Mark Bass
Partner
Mark Bass is a partner in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where he works with public and private technology companies at all stages of growth. He also represents venture capital funds, private equity firms, and investment banks in financings and public offerings.
Mark B. Baudler
Partner
Mark is a corporate law veteran, having advised start-ups and mature public companies for more than 25 years.
Steven V. Bernard
Partner
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.
Ashmi Bhagani
Partner
Ashmi Bhagani is a partner in the London office of Wilson Sonsini Goodrich & Rosati, where she has a diverse transatlantic corporate and securities practice focused on the technology and life sciences sectors.
Richard C. Blake
Partner
Richard has a comprehensive corporate law background, with extensive experience in public offerings.
Lance E. Brady
Partner
Lance Brady is a partner in Wilson Sonsini Goodrich & Rosati's Palo Alto office, where his practice focuses on representing public and private life sciences and technology companies through all stages of their growth. Lance advises his clients on a broad variety of transactions and corporate matters, including initial formation and organization, equity and debt financings, mergers and acquisitions, public offerings, spin-outs, corporate governance, SEC compliance and public company reporting requirements. He also has extensive experience representing venture capital and other institutional investors in financing transactions.
Jason Breen
Partner
Jason Breen is a partner in the Los Angeles office of Wilson Sonsini Goodrich & Rosati, where he represents public and private companies at all stages of growth in M&A transactions, primarily working with clients in the life sciences and technology industries. Jason also represents venture capital, growth equity, and private equity funds and focuses on other strategic transactions, including divestitures, joint ventures, and financings.
People
Lester Ang
Partner
Lester Ang is a corporate and securities partner in the Palo Alto office of Wilson Sonsini, where he works with private and public technology and life sciences companies through all stages of their growth, as well as with venture capital firms and private equity firms.
Brian Appel
Partner
Brian Appel is a partner in the Palo Alto office of Wilson Sonsini Goodrich & Rosati, where he practices corporate and securities law. He advises companies on general corporate matters, including formation and operation, corporate governance, debt and equity financings, mergers and acquisitions, and securities-related matters. He has assisted early-stage companies in numerous capital-raising transactions, including venture capital financings.
Megan J. Baier
Partner
Megan represents technology and life sciences clients in corporate transactional matters.
Mark Bass
Partner
Mark Bass is a partner in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where he works with public and private technology companies at all stages of growth. He also represents venture capital funds, private equity firms, and investment banks in financings and public offerings.
Mark B. Baudler
Partner
Mark is a corporate law veteran, having advised start-ups and mature public companies for more than 25 years.
Steven V. Bernard
Partner
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.
Ashmi Bhagani
Partner
Ashmi Bhagani is a partner in the London office of Wilson Sonsini Goodrich & Rosati, where she has a diverse transatlantic corporate and securities practice focused on the technology and life sciences sectors.
Richard C. Blake
Partner
Richard has a comprehensive corporate law background, with extensive experience in public offerings.
Lance E. Brady
Partner
Lance Brady is a partner in Wilson Sonsini Goodrich & Rosati's Palo Alto office, where his practice focuses on representing public and private life sciences and technology companies through all stages of their growth. Lance advises his clients on a broad variety of transactions and corporate matters, including initial formation and organization, equity and debt financings, mergers and acquisitions, public offerings, spin-outs, corporate governance, SEC compliance and public company reporting requirements. He also has extensive experience representing venture capital and other institutional investors in financing transactions.
Jason Breen
Partner
Jason Breen is a partner in the Los Angeles office of Wilson Sonsini Goodrich & Rosati, where he represents public and private companies at all stages of growth in M&A transactions, primarily working with clients in the life sciences and technology industries. Jason also represents venture capital, growth equity, and private equity funds and focuses on other strategic transactions, including divestitures, joint ventures, and financings.
Related Practices
- Capital Markets
- Corporate Governance
- Corporate Life Sciences
- Emerging Companies and Venture Capital
- Employee Benefits and Compensation
- Energy and Climate Solutions
- Finance and Structured Finance
- Fund Formation
- Greater China
- Life Sciences Business Advisory Practice
- Mergers & Acquisitions
- Private Equity
- Public Company Representation
- Real Estate
- Restructuring
- Shareholder Engagement and Activism
- Special Purpose Acquisition Companies (SPACs)
- Tax
- U.S. Expansion
Recent Insights
Newsletters
The Life Sciences Report – June 2026
This latest edition features articles on accelerating new therapies under the new FDA administration, cash-pay healthcare companies possibly facing kickback and fee-splitting risk under federal and state laws, building in-house legal teams for biotech, digital health, and medical devices companies, and life sciences venture financings for firm clients across 1H2025 and 2H2025.
Learn More
Client Highlights
Wilson Sonsini Advises Asana on Acquisition of StackAI
On May 28, 2026, Asana, Inc., the operating system for human-agent teams, announced that it has completed the acquisition of StackAI, a no-code AI workflow platform that enables companies to design, test, deploy, and govern custom AI agents and intelligent automation of business-critical workflows. Wilson Sonsini Goodrich & Rosati advised Asana on the transaction.
The StackAI platform connects workflows, data, and actions across enterprise systems such as ERP, CRM, and ITSM to automate operational processes like customer support, IT service requests, compliance workflows, and broader cross-functional business operations. Based in San Francisco, the company has built an impressive track record with customers across financial services, healthcare, and professional services—industries that demand the highest security, reliability, and enterprise-grade governance. Bringing StackAI and Asana together pairs cross-system execution with the platform where teams already plan and run their work alongside the context, ownership, and history of every project.
The Wilson Sonsini team that advised Asana on the transaction was led by Rich Mullen and Kaleigh Hawkins-Schulz and also included:
The StackAI platform connects workflows, data, and actions across enterprise systems such as ERP, CRM, and ITSM to automate operational processes like customer support, IT service requests, compliance workflows, and broader cross-functional business operations. Based in San Francisco, the company has built an impressive track record with customers across financial services, healthcare, and professional services—industries that demand the highest security, reliability, and enterprise-grade governance. Bringing StackAI and Asana together pairs cross-system execution with the platform where teams already plan and run their work alongside the context, ownership, and history of every project.
The Wilson Sonsini team that advised Asana on the transaction was led by Rich Mullen and Kaleigh Hawkins-Schulz and also included:
Learn More
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.
Learn More
Affiliated Programs
Third Annual: Rome Conference on AI, Ethics, and Governance
The Third Annual Conference on AI, Ethics, and Governance will once again convene global leaders across technology, business, policy, academia, and civil society to examine the profound and far-reaching impact of artificial intelligence (AI). Building on prior years, this year’s conference places a heightened emphasis on ethics and the transformative nature of AI.
Learn More
Newsletters
2024 Mid-Year Technology and Life Sciences PIPE and RDO Report
Wilson Sonsini Goodrich & Rosati is pleased to present the 2024 Mid-Year Technology and Life Sciences PIPE and RDO Report, analyzing 124 private investments in public equity (PIPEs) and registered direct offerings (RDOs) by U.S.-based tech and life science companies between January 1 and June 30, 2024.
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