Best Lawyers in California, United States for Litigation - Patent
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Cities
James R. Batchelder is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Litigation - Patent and Patent Law. James R., who practices law in Palo Alto, California, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James R. is held by other top lawyers in the same geographic and legal practice area.
Mehrnaz Boroumand Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Intellectual Property, Litigation - Patent and Trademark Law. Mehrnaz, who practices law in San Francisco, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mehrnaz is held by other top lawyers in the same geographic and legal practice area.
Bobbie Wilson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Bobbie, who practices law in San Francisco, California, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bobbie is held by other top lawyers in the same geographic and legal practice area.
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.
Joseph C. Gratz is a top attorney recognized by Best Lawyers in the practice area(s) of Copyright Law, Litigation - Intellectual Property and Litigation - Patent. Joseph C., who practices law in San Francisco, California, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph C. is held by other top lawyers in the same geographic and legal practice area.
Peter K. Hahn is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Peter K., who practices law in San Diego, California, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter K. is held by other top lawyers in the same geographic and legal practice area.
Christopher Kao is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Christopher, who practices law in San Francisco, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.
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.
Mr. Patiño is a partner with Cozen O'Connor and a member of the firm’s Intellectual Property Department. He represents companies in high-stakes commercial and intellectual property disputes. Mr. Patiño has argued before the courts of 20 different states and has particular experience with patent litigation-specific proceedings, including before the International Trade Commission, and as special intellectual property counsel in U.S. Bankruptcy Court. Among prominent represen...
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...
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 Serv...
Neel Chatterjee is a partner in Goodwin’s Intellectual Property practice and serves on the firm’s Executive Committee. An internationally recognized technology litigator and trial lawyer, Mr. Chatterjee has a proven track record of wins in hard-to-win technology cases. Mr. Chatterjee has a passion for representing entrepreneurs and disruptive technology companies, even at their earliest stages. His cases often break new ground in undefined areas of the law. Clients frequently turn...
Elizabeth L. Brann is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Elizabeth L., who practices law in San Diego, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elizabeth L. is held by other top lawyers in the same geographic and legal practice area.
Elizabeth Day is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Litigation - Patent and Patent Law. Elizabeth, who practices law in Redwood City, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elizabeth is held by other top lawyers in the same geographic and legal practice area.
John P. Schnurer is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Intellectual Property and Litigation - Patent. John P., who practices law in San Diego, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John 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.