Charles (Charlie) McMahon focuses his practice on patent, trademark, copyright and unfair competition law. Charlie has represented domestic and multinational clients in federal courts and before the US Patent and Trademark Office, the US Patent Trial and Appeal Board (PTAB), the International Trade Commission (ITC), the US Court of Appeals for the Federal Circuit and the US Supreme Court.
In the last four years, Charlie has tried four patent infringement cases, including two district court jury trials and two ITC Section 337 investigations. He has also argued before the PTAB in an inter partes review proceeding.
Because litigation is just one of many tools for achieving business objectives, Charlie also counsels clients on licensing and litigation avoidance. Collectively, he has advised clients on worldwide IP licensing and settlement deals valued in excess of sixty million dollars.
Charlie is a registered patent attorney with a bachelor’s degree in electrical engineering and experience helping client apply for and obtain patents in the United States and abroad. Charlie is experienced in a variety of technical areas, including wireless communications, solid-state electronics, encryption systems, vehicular transmission systems, digital imaging systems, electronic measurement devices, lithium batteries, software applications and online business-to-business exchange systems.
Recognizing the importance of local pro bono efforts, Charlie is an active supporter of the Cabrini Green Legal Aid (CGLA) clinic in Chicago. Charlie serves on CGLA’s Advisory Board and contributes his time to serve CGLA clients.