Charles M. McMahon Esq.

Brinks Gilson & Lione
McMahon, Charles M.

Charles McMahon, a Shareholder with Brinks Gilson & Lione in Chicago, counsels clients and litigates on their behalf in the areas of patent, trademark, copyright and unfair competition law. He has represented domestic and multinational clients in federal courts and before the U.S. Patent and Trademark Office, the International Trade Commission, the U.S. Court of Appeals for the Federal Circuit, and the U.S. Supreme Court. He also assists clients in the negotiation and preparation of licensing agreements.

Mr. McMahon's work has involved a variety of technical areas, including vehicular transmission systems, wireless communications, solid-state electronics, encryption systems, digital imaging systems, electronic measurement devices, lithium batteries, software applications and online business-to-business exchange systems. 

He received his B.S. from the University of Notre Dame and his J.D. from The George Washington University Law School. 

Mr. McMahon is a co-author of the Bloomberg BNA treatise Patents and the Federal Circuit.