Wilson Sonsini Goodrich & Rosati, Argus Partners and Morrison Foerster advised on SoftBank Group Corp.’s US$6.5 billion acquisition of Ampere Computing.

On March 19, 2025, SoftBank Group Corp. announced that it will acquire Ampere Computing, a leading independent silicon design company, in an all-cash transaction valued at $6.5 billion. Under the terms of the agreement, Ampere will operate as a wholly owned subsidiary of SoftBank Group and retain its name.

Wilson Sonsini Goodrich & Rosati advised Ampere on the transaction.

The corporate/M&A team was led by Robert Day, Todd Cleary, Brendan Mahan, Adam Bloom, Kristen Kercher, Eleanor Bleecker, Orlando Hodges, Joanna Leung, CJ Collins, and Matt Katona. The antitrust and competition team included Maureen Ohlhausen, Brendan Coffman, Kim Biagioli, and John Sack, while the tax team comprised Jonathan Zhu, Derek Wallace, and Rob A. Sherrill. The national security team included Stephen Heifetz, Josh Gruenspecht, Josephine Aiello LeBeau, Seth Cowell, and Grace Beck. The employee benefits and compensation team consisted of Dave Thomas, Brandon Gantus, Greg Hughes, and Jason Chan. The technology transactions team included Barath Chari, Stefan Geirhofer, Mary O’Brien, Isabel Annino, Chris Murray, and Anna Weber. The data, privacy, and cybersecurity team comprised Matt Staples, Michael O’Brien, and Diya Jajal, while the employment and trade secrets team included Matt Gorman and Quinn Christie. The real estate team consisted of James McCann and Moncarol Wang.

Argus Partners acted as India counsel to Ampere Computing on its acquisition by SoftBank Group Corp. The team at Argus Partners advising Ampere consisted of Partners Pallavi Kanakagiri and Anantha Krishnan Iyer.

Morrison Foerster (“MoFo”) advised SoftBank Group Corp. (“SoftBank”).

MoFo’s global team was led by Tokyo office Managing Partner and head of the Tokyo M+A team, Ken Siegel, and Lauren Bellerjeau, Corporate partner (Austin). The global deal team included Corporate partners Eric McCrath, Matt O’Donnell, and Michael Santos (San Francisco), and associates Mohammed Alismail and Hannah Kim (New York), Jacob Robart (Boston), Gabriella Fortun (Miami), and Samantha Rose (San Francisco); Antitrust partners Marie-Claire Strawbridge (London), Kerry Jones and Jeff Jaeckel (Washington, D.C.), and Michael Miller (New York), and associate Guillermo Floria (Brussels); co-chair of the AI Group, Tessa Schwartz (San Francisco); Technology Transactions associates Reid Knabe, Michelle Kelley and Kevin Kallet (San Francisco); Executive Compensation + Benefits partner Joshua Lerner (New York) and associate Yuan Xia (Palo Alto); National Security and Government Contracts + Public Procurement partners Charles Capito and James Brower (Washington, D.C.); co-chair of the Tax practice, Anthony Carbone (New York), and Tax partner Dave Sturgeon (Los Angeles); Investment Control partner Felix Helmstädter; and Employment + Labor partner Michael Schulman, and associate Melissa Harclerode.