James Trainor

Partner, Litigation  

New York 212.430.2749


Jim Trainor concentrates his practice in patent litigation and has successfully represented clients in all phases of litigation, including as first-chair trial and appellate counsel. Jim is sought out for his significant experience in antitrust and commercial litigation, as well as general IP strategy counseling. In addition, he provides intellectual property transactional services, ranging from technology licensing to support for M&A and project finance deals.

Operating across the life sciences, high-tech, telecommunications and transportation industries, Jim brings insight and experience to matters relating to varied fields including: small molecules; biologics; medical devices; drug delivery; network systems and database management systems (DBMS); software and eCommerce; solar and wind power; transit engineering; environmental management; and cosmetics.

In his commercial litigation practice, Jim has helped numerous clients secure high-stakes provisional remedies, including aircraft seizures and the cessation of auctions. While at his previous firm, his notable work in this area includes acting as lead IP counsel for the Department of Energy in the funding of a major solar energy initiative. He has also advised corporates and private equity houses in IP-centric M&A transactions and is a noted thought leader in the intersection of IP and antitrust law, as well as the fields of e-Discovery and Legal Process Outsourcing.

Jim is passionate about his pro bono practice which includes serving on the advisory board of, and as outside general counsel for, the RETT Syndrome Research Trust. Prior to joining Fenwick & West, Jim worked at a leading international law firm where he was a litigation partner in the intellectual property group.​​​​