Michael Attanasio

Litigation Department Chair

I defend companies against threats to their innovation and success, and I defend individuals against threats to their freedom. My teams work tirelessly to extinguish these risks and deliver our clients to safety.

+1 858 550 6020

Mike Attanasio is chair of Cooley's global Litigation Department, overseeing the business litigation, intellectual property, and employment groups.  With more than 25 years of first-chair trial experience, Mike has been recognized dozens of times for his representation of clients in commercial litigation, antitrust, and white collar matters.  A fellow in the American College of Trial Lawyers, Mike has been called one of the Top 100 Lawyers in California by the Daily Journal, a “Game Changer” by The Recorder, and a “White Collar MVP” by Law360.  Beyond his courtroom advocacy, Mike serves on Cooley's Management Committee and is Partner-in-Charge of the San Diego office.  He is also the Chair of the Standing Committee on Attorney Discipline for the Southern District of California, a position to which he was appointed by the District Court.

Download full bio

That question is going to live in cross-examination lore forever. – Former federal prosecutor quoted in the New York Post

  • Stanford Law School
    JD, 1990

  • Princeton University
    BA, 1987

Admissions & Credentials



  • American College of Trial Lawyers

Rankings & Accolades

    American College of Trial Lawyers: Fellow

    Attorney General's John Marshall Award for Legal Achievement (Trial)

    Law360: White Collar MVP

    The Daily Journal: Top 100 Attorneys in California

    The Daily Journal: Top Defense Verdicts (Moser v. Encore Capital et al.)

    Recorder: Game Changer award (US v. Jacobson)

    Best Lawyers: Bet-the-Company Litigation, Commercial Litigation, White Collar Defense

    Benchmark Litigation: Litigation, White Collar

    Super Lawyers: Top 10 Lawyer in San Diego

    Super Lawyers: White Collar Defense, Securities Litigation

    San Diego Daily Transcript: Top San Diego County Attorneys (Criminal Law)

Litigation Powerhouse

Law360 praises Cooley for its first-class litigation work and dominant victories.

Read more


+1 858 550 6020 office
+1 858 550 6420 fax

4401 Eastgate Mall
San Diego, CA 92121-1909