Michael Attanasio

Partner
mattanasio@cooley.com
Full contact info

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.

About Michael

With more than 30 years of first-chair trial experience, Mike has been recognized dozens of times for his work in commercial litigation, white collar, securities, and antitrust matters. A fellow in the American College of Trial Lawyers, Mike has been named 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. Mike’s courtroom savvy, his dedication to his clients, and his leadership presence have made him one of the most sought-out litigators in the United States. 

View full bio

That question is going to live in cross-examination lore forever.

Former federal prosecutor quoted in the New York Post

Admissions and credentials

California

Rankings and 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

The Recorder: Game Changer award

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

Benchmark Litigation: Litigation, White Collar

Chambers USA: Band 1 for Litigation: General Commercial – California: San Diego

Super Lawyers: Top 10 Lawyer in San Diego

San Diego Business Journal: SD 500 – The Most Influential People in San Diego (2024)

The Legal 500: Dispute Resolution – General Commercial Disputes; Trade Secrets (Litigation and Non-Contentious Matters)

Memberships and affiliations

American College of Trial Lawyers

He is a fantastic lawyer. He is top tier.

Chambers USA

He’s a strong advocate and communicator.

Chambers USA