Morrison Foerster Named a Leading Patent Prosecution Firm by Chambers USA 2026

In its 2026 guide, Chambers USA has identified Morrison Foerster’s Intellectual Property Group as a market leader. MoFo has again been awarded a Band 1 ranking in the California: Intellectual Property: Patent Prosecution category. Additionally, the firm was ranked in District of Columbia: Patent Prosecution for the first time.

Chambers received strong commendations from MoFo’s clients, with feedback including:

• "Morrison Foerster boasts sheer intellectual horsepower backed by a deep bench of experience."
• "Morrison Foerster has an eye for commercialization and supporting the underlying business."

Eight MoFo lawyers achieved individual rankings for intellectual property categories in the California, District of Columbia, and New York editions. Clients report the following:

• Catherine Polizzi (California IP: Patent Prosecution), "Catherine Polizzi is the best in the business."

• Janet Xiao (California IP: Patent Prosecution), "Dr Xiao is pivotal in shaping our patent strategy. Her profound insight and ability to transform our innovative concepts into patentable assets is commendable."

• Jie Zhou (California IP: Patent Prosecution), "Jie Zhou manages her team incredibly well and explains complex questions very clearly."

• Jonathan Bockman (District of Columbia IP: Patent Prosecution), "Jonathan is helpful in explaining the patent process both at the beginning and throughout the process."
• Joshua Crawford (District of Columbia IP: Patent Prosecution), "Joshua's business acumen and global view help form a strategy that protects the industry and advances client's business interests."
• Karen Potter (California IP: Patent Prosecution), "Karen Potter is brilliant. She is technically astute, on top of the case law and always asks insightful questions. I would always want her in my corner."
• Mark McBriar (Massachusetts: Intellectual Property), “Mark brings in a holistic view on matters, including both on material aspects and potential future patent litigation, and handles complex matters with diligence, patience and perseverance."
• Michael Ward (California IP: Patent Prosecution), "Michael Ward has a scientific training like few others. He is incredible."

To view the complete list of Morrison Foerster’s rankings in the 2026 edition of Chambers USA, please visit the publication’s website.