John Custer helps technology industry innovators achieve their business goals by protecting their valuable intellectual property assets. His patent litigation experience spans diverse technologies, from remote monitoring devices and cellular communication modules to home security systems and ocean-bottom seismometers.

His extensive appellate work includes appearances before the Federal Circuit and the 1st U.S. Circuit Court of Appeals. He also has broad experience in proceedings before the International Trade Commission (ITC), various U.S. district courts, and the U.S. Patent and Trademark Office. John is a member of the IP Litigation and ITC Section 337 Proceedings Practice Groups and the Innovative Technology Sector.