Heidi Keefe


I like to win.

Heidi Keefe is a member of Cooley's board of directors. She is a first chair trial lawyer with two decades of experience representing some of the hottest tech companies in the world in complex patent litigation. A former astrophysicist and registered patent attorney, Heidi easily understands a variety of technical disciplines, from software to medical devices.

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  • CoolIT Protects Key Patent at PTAB 

  • Facebook scores key victory by nixing online messaging patent 

  • Trial win for Facebook in patent case targeting “Like” button 

  • Federal Circuit affirms patent cancellation in Facebook’s first-ever patent case 

Heidi is a world-class stand-up litigator who has a knack for understanding the technology and breaking it down in a way that's understandable to a lay jury or a judge. I trust her, and I trust the team, and they've done nothing but get good results for us. – Chief IP Counsel, Facebook

  • Santa Clara University School of Law
    JD, 1995

  • Wellesley College
    BA, 1992

Admissions & Credentials


Registered to practice before the United States Patent & Trademark Office (USPTO)


  • American Bar Association

  • Silicon Valley Intellectual Property Law Association

Rankings & Accolades

    Lawdragon: 500 Leading Litigators in America 2023

    Managing Intellectual Property: IP Litigator of the Year (California) Shortlist  

    Law360: Top Women in PTAB Appearances

    Law360: Top 20 Influential Women in IP Law

    The Recorder: Women Leaders in Technology Law

    Daily Journal: Top 100 Lawyers in California, Top Intellectual Property Litigators, Top Women Lawyers, Top Women Litigators

    PTAB Bar Association: Top 50 Women in PTAB Trials

    Managing Intellectual Property: Top 250 Women in IP

    Euromoney Legal Media Group: Best in Patent 

    IAM Patent 1000: Leading Patent Lawyer

    The American Lawyer: Top 45 Women Attorneys in the US under 45

    Managing Intellectual Property: IP Star

    Chambers: Leading California IP/Patent Litigation lawyer

    Best Lawyers in America: Intellectual Property Litigation

    Legal 500: Intellectual Property: Patents - Litigation

Litigation Department of the Year: IP Finalist

The American Lawyer