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10.28.26
Firm Advises hyperexponential on Acquisition by Guidewire for up to $2.1 Billion
On October 27, 2026, Guidewire, a cloud platform for P&C insurers, announced that it entered into a definitive agreement to acquire hyperexponential, a London-based agentic platform provider of AI-native underwriting and pricing software for commercial lines P&C insurers, for a base purchase price of $1.7 billion in cash, subject to adjustments. The agreement also includes up to an additional $400 million in contingent consideration based on achievement of specified recurring revenue targets, bringing the total deal value to up to $2.1 billion and marking the transaction as the largest-ever M&A exit of a privately held, venture-backed UK technology company. hyperexponential is an existing Guidewire PartnerConnect Technology Alliance Partner and brings established trust and scale in underwriting, having powered underwriting decisions across more than $75 billion in annual commercial P&C premium for leading global insurers, reinsurers, and managing general agents. Wilson Sonsini Goodrich & Rosati advised hyperexponential on the transaction.
Alerts
10.28.26
New COINS of the Realm: Treasury’s Implementation of COINS Act Reaches Biotech, AI, and More
On Thursday, October 22, 2026, the U.S. Department of the Treasury (Treasury) issued a notice of proposed rulemaking (the Proposed Rule) to replace and expand the current Outbound Investment Security Program (the OISP). The Proposed Rule would implement Subtitle C of the Comprehensive Outbound Investment National Security Act of 2025 (the COINS Act) enacted last December, which we previously discussed here. The Proposed Rule would establish new regulations (to be codified at 31 C.F.R. Part 851) that prohibit U.S. persons from making certain investments, and require them to notify Treasury of others, when the target is a company or other person tied to the People’s Republic of China (PRC, including Hong Kong and Macau), Cuba, Iran, North Korea, Russia, or (in specified circumstances) Venezuela (each such company or other person being a “covered foreign person”) that is engaged in specified technologies. Comments on the Proposed Rule are due December 7, 2026.
Client Highlights
10.01.26
Wilson Sonsini Advises Stripe on Acquisition of Parafin
On September 30, 2026, Stripe, the programmable financial services company, announced that it has agreed to acquire Parafin, a leading embedded financial products platform. Wilson Sonsini Goodrich & Rosati is advising Stripe on the transaction.
Client Highlights
9.18.26
Wilson Sonsini Advises Superhuman on Acquisition of Fathom
On September 14, 2026, Superhuman, an AI productivity platform bringing AI to wherever people work, announced its acquisition of Fathom, an AI meeting partner trusted by hundreds of thousands of companies to capture, search, and act on what happens in meetings. Wilson Sonsini Goodrich & Rosati advised Superhuman on the transaction.
News Articles
9.14.26
Wilson Sonsini Attorneys Recognized in Lexology Index: Thought Leaders USA 2027
On September 9, 2026, nine Wilson Sonsini attorneys were named to the Lexology Index: Thought Leaders USA guide for 2027. The guide lists some of the U.S.'s foremost lawyers and experts in their respective fields. The following firm attorneys have been recognized in the guide:
News Articles
8.27.26
Wilson Sonsini Named Runner-Up by AmLaw Litigation Daily for WuXi AppTec
Wilson Sonsini was named a runner-up by AmLaw Litigation Daily for its representation of pharmaceutical manufacturer WuXi AppTec (WXAT) in the U.S. District Court for the District of Columbia. The case challenged the Department of Defense/War’s designation of WXAT as a “Chinese Military Company” under Section 1260H of the National Defense Authorization Act. The team obtained a preliminary injunction blocking DoD from enforcing the designation after the court found that WXAT was likely to establish that each of the government’s three substantive grounds for the designation was arbitrary and capricious. The case involved national security, U.S.-China relations, and the BIOSECURE Act. To date, no other company named on DoD’s 1260H list has obtained similar relief.
Client Highlights
8.06.26
Wilson Sonsini Advises AiDASH on $350 Million Acquisition by Schneider Electric
On July 30, 2026, Schneider Electric, a global energy technology company, announced it has entered a definitive agreement to acquire AiDASH, a cloud-native software company that provides AI-driven vegetation, asset, and climate risk intelligence to utilities and other critical infrastructure operators, in an all-cash transaction with implied enterprise value of $350 million. Wilson Sonsini Goodrich & Rosati is advising AiDASH on the transaction.
Client Highlights
6.30.26
Wilson Sonsini Advises Cognite, Major Shareholders on $3.1 Billion Sale to Schneider Electric
On June 30, 2026, Aker ASA (Aker) and the other shareholders of Cognite announced that they have entered into an agreement to sell 100 percent of the shares in Cognite Holding B.V. (Cognite) to Schneider Electric based on an enterprise value of US$3.1 billion. Wilson Sonsini Goodrich & Rosati’s cross-border tech M&A team advised Cognite and its major shareholders, including Aker, TCV, and Accel, on the transaction.
News Articles
6.04.26
Wilson Sonsini Practices, Attorneys Recognized in 2026 Chambers USA Guide
The 2026 Chambers USA guide has recognized Wilson Sonsini Goodrich & Rosati as a leading law firm in 44 geography-specific practice categories and named 87 Wilson Sonsini attorneys among the best in their fields. This year, the firm received four new practice area rankings, including in the nationwide National Security and Capital Markets: Convertible Debt categories, and three improved practice area rankings.
Client Highlights
6.01.26
Wilson Sonsini Advises Credo on Regulatory Matters Related to Acquisition of DustPhotonics
On May 28, 2026, Credo Technology Group Holding Ltd (Credo), an innovator in providing connectivity at scale through fast, reliable, and energy-efficient system solutions, announced that it has completed its acquisition of DustPhotonics in a transaction valued up to $1.3 billion. DustPhotonics brings industry-leading silicon photonics photonic integrated circuit (SiPho PIC) technology for optical connectivity, deepening Credo’s optical interconnect portfolio across 800G, 1.6T, and 3.2T near-packaged optics (NPO) and co-packaged optics (CPO). Wilson Sonsini Goodrich & Rosati advised Credo on regulatory matters related to the transaction.
Alerts
5.18.26
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 Highlights
5.06.26
Wilson Sonsini Advises QuantWare on $178 Million Series B
On May 5, 2026, QuantWare, a leading industrial quantum processor company, announced a $178 million Series B equity fundraising following the announcement of VIO-40K™, a quantum processor architecture for 10,000 qubits, 100x larger than the state of the art today. New investors joining the round include Intel Capital, IQT, and ETF Partners, with participating existing investors including FORWARD.one and Invest-NL Deep Tech Fund, InnovationQuarter Capital, Ground State Ventures, and Graduate Ventures. The round was heavily oversubscribed and is the largest private round raised by a dedicated quantum processor company to date. Wilson Sonsini Goodrich & Rosati advised QuantWare on the transaction.
QuantWare is the only company that designs, fabricates, and integrates modular quantum processors on an open architecture at an industrial scale. The company is building KiloFab, the world’s largest dedicated quantum open architecture fab, increasing its production capacity by 20x to meet strong global customer demand.
The Wilson Sonsini team that advised QuantWare on the financing included:
Corporate
Daniel Glazer
Michael Labriola
Ashmi Bhagani
Elisa Sielski
Michael Soud
Daniel Jordan
Henry Oates
QuantWare is the only company that designs, fabricates, and integrates modular quantum processors on an open architecture at an industrial scale. The company is building KiloFab, the world’s largest dedicated quantum open architecture fab, increasing its production capacity by 20x to meet strong global customer demand.
The Wilson Sonsini team that advised QuantWare on the financing included:
Corporate
Daniel Glazer
Michael Labriola
Ashmi Bhagani
Elisa Sielski
Michael Soud
Daniel Jordan
Henry Oates