Griffin Mesmer

Griffin is a partner in the Intellectual Property Practice Group in the Boston office, where he primarily focuses on patent litigation and trade secrets.

Griffin is a registered patent attorney with experience helping clients evaluate patent portfolios and implement effective patent strategies. Griffin also has substantial experience litigating patent and trade secret matters in a variety of forums and covering a range of technologies, including chemical compositions, semiconductors, MEMS (micro-electromechanical systems), software-based systems, telecommunications, and manufactured precision parts, among others.

Griffin’s involvement in litigation matters covers all aspects of a case from the investigation and diligence through pleadings, fact and expert discovery, trial and appeals. He has experience in Section 337 investigations before the U.S. International Trade Commission (USITC) as well as federal court litigations throughout the U.S., and inter partes review (IPR) and ex partes reexamination proceedings before the U.S. Patent and Trademark Office’s Patent Trial and Appeal Board (PTAB). He also has experience litigating trade secret matters in state and federal courts and patent ownership and infringement matters in international arbitration proceedings.

• Represented a university in federal court against semiconductor manufacturers on patents related to chemical compositions and deposition techniques.
• Represented an equipment design and manufacturer in federal court against automotive manufacturers on patents related to precious parts and engine design.
• Represented a semiconductor design company in multiple ITC Investigations against a semiconductor manufacturer and consumer electronics manufacturers on patents relating to integrated circuit layout and design.
• Represented a semiconductor design company in federal court declaratory judgment action brought by a semiconductor manufacturer.
• Represented a telecommunications equipment manufacturer in state court over claims of breach of contract and trade secret misappropriation.
• Represented a software design company in state court over claims of trade secret misappropriation.
• Represented a research institution in international arbitration over ownership and licensing rights to patents involving MEMS (micro-electromechanical systems).

• Best Lawyers in America®: Ones to Watch: Intellectual Property Law (2023-2025), Litigation – Intellectual Property Law (2023-2025), and Litigation – Patent (2023-2025)
• Super Lawyers®: “Rising Star,” Massachusetts (2022-2023)