Peter Adams' practice focuses on complex commercial litigation, corporate governance and shareholder litigation, including the defense of securities class actions, derivative suits and M&A-related cases. He represents clients in connection with Securities and Exchange Commission investigations and civil enforcement actions, as well as internal corporate investigations.

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  • Horizon Therapeutics to Be Acquired by Amgen for Approximately $28 Billion 

  • Qualcomm Defeats Securities Class Action  

  • Cooley Team Secures Victory for Qualcomm in Securities Class Action 

  • Arena Pharmaceuticals Agrees to Sell to Pfizer for $6.7 Billion 

  • Flexion Therapeutics Agrees to Sell to Pacira BioSciences 

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  • University of California, Berkeley
    MA, Economics

  • University of California, Berkeley School of Law
    JD, 2004

  • Northwestern University
    BA, Economics and Mathematical Methods in the Social Sciences
    Phi Beta Kappa, 1994

Admissions & Credentials



  • American Bar Association

  • San Diego County Bar Association

Rankings & Accolades

    Legal 500: Key Lawyer – Securities Litigation: Defense (2021)

    The Recorder: Top 100 Litigation Lawyers (2015)