Karen P. Kimmey

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Karen Kimmey approaches business litigation with perspective gained from her significant experience in the courtroom. When a company’s future is at stake, she knows what matters and what doesn’t in a case, leading to effective and efficient resolution. Clients have praised her for her fierce courtroom advocacy, coupled with sound judgment and a sharp focus on their business objectives.

With experience representing both large and small businesses, as well as individuals, Ms. Kimmey handles a wide variety of commercial disputes, with particular emphasis on complex contract, fraud, trade secret misappropriation, unfair competition and negligence claims. She also has significant experience in class actions, intellectual property and products liability matters, defending clients in the biotechnology, software, manufacturing and entertainment industries. Ms. Kimmey is frequently called in to take over on matters from other law firms as they approach trial and require courtroom expertise.

Some of Ms. Kimmey’s recent experience includes:

  • Serving as national coordinating counsel in a series of products liability claims relating to residential gas delivery materials.
  • Obtaining a unanimous verdict in a three-week patent trial that upheld the validity of her client’s technology patents.
  • Obtaining full relief for  a major biotechnology company in an arbitration of a technology licensing dispute, including an award of attorneys’ fees.
  • Serving as lead counsel to a real estate investor in complex, multi-state litigation involving claims of fraud, breach of fiduciary duty and violations of RICO.

Ms. Kimmey frequently speaks and writes about trial strategy and skills, often addressing the challenges that litigation poses for businesses. She authored the chapter “Opening Statements” in Being Heard: Presentation Skills for Attorneys published by the American Bar Association (2018). Her skill in business litigation in Northern California has been recognized repeatedly by Super Lawyers.


  • Board of Directors, Bar Association of San Francisco (2016-2018)