Best Lawyers in California, United States for Litigation - Patent
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Marc Fenster is co-chair of the Litigation Department and chair of the Patent Litigation department at RAK, which he founded in 2003. Mr. Fenster is a first chair trial lawyer specializing in high-technology patent litigation. Prior to joining Russ August & Kabat, Mr. Fenster was a lawyer at Irell & Manella LLP from 1995 to 2003, where he was a member of the Intellectual Property and Litigation work groups. Mr. Fenster has handled complex commercial cases involving patents, trademarks...
Kenneth E. Keller is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Kenneth E., who practices law in San Francisco, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kenneth E. is held by other top lawyers in the same geographic and legal practice area.
Elizabeth Day is a trial attorney with Bunsow De Mory LLP in Redwood City, California . Her practice focuses on complex intellectual property and patent disputes , representing clients in federal district courts throughout the United States and before the International Trade Commission. Her work centers on matters involving Litigation - Intellectual Property, Litigation - Patent, and Patent Law. For nearly three decades, Elizabeth has handled high‑stakes technology disputes involving a wide r...
David J. Tsai is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. David J., who practices law in San Francisco, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David J. is held by other top lawyers in the same geographic and legal practice area.
Frank P. Coté is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Frank P., who practices law in Irvine, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frank P. is held by other top lawyers in the same geographic and legal practice area.
Darryl Woo is a veteran trial lawyer who has successfully tried numerous cases to verdict, and concentrates his practice on patent litigation and other complex technology litigation, principally in the areas of semiconductors, information technology, life sciences and biotechnology. He has appeared as lead counsel in patent litigation across the country, including the ITC, dealing with technologies ranging from software to semiconductor fab equipment, materials chemistry, voice over IP, fiber...
Edward G. Poplawski is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Litigation - Patent and Patent Law. Edward G., who practices law in Los Angeles, California, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Edward G. is held by other top lawyers in the same geographic and legal practice area.
James F. Valentine is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. James F., who practices law in Palo Alto, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James F. is held by other top lawyers in the same geographic and legal practice area.
Larry Russ is a founding partner and co-head of the litigation department of Russ August & Kabat. As an active trial attorney, Mr. Russ has focused on trademark, copyright, patent, business torts, trade regulation and advertising law and complex litigation. Mr. Russ has also worked extensively on antitrust and unfair competition matters. Directly after being admitted to the California Bar in 1978, Mr. Russ launched his career by successfully challenging Levi-Strauss & Co’s resal...
Eric Acker is a partner and trial lawyer in the firm’s Intellectual Property Group. Mr. Acker has tried more than 50 trials (including more than 47 jury trials) in courtrooms across the country. Mr. Acker’s recent trials have involved a variety of technologies and significant legal issues. In the high-profile SCO v. Novell case, following a three-week trial, the jury affirmed our client Novell’s ownership of the copyrights to the UNIX software code and rejected SCO’s c...
Matthew C. Bernstein is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Intellectual Property, Litigation - Patent and Patent Law. Matthew C., who practices law in San Diego, California, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew C. is held by other top lawyers in the same geographic and legal practice area.
Marc Belloli is a trial lawyer at Bunsow De Mory LLP in Redwood City, California . His practice focuses on Litigation - Patent , including patent litigation and patent monetization matters. He represents clients in complex disputes across a range of industries and forums throughout the United States. Marc has tried cases to verdict and has resolved matters through negotiated settlements in federal courts nationwide. His recent matters include serving as lead trial counsel for Garrity Power Se...
Joseph P. Reid is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Joseph P., who practices law in San Diego, California, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph P. is held by other top lawyers in the same geographic and legal practice area.
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.