Charles (Charlie) McMahon is a first-chair litigator who focuses his practice on patent, trademark, copyright, trade secret, and unfair competition law.
Charlie has represented domestic and multinational clients in more than a dozen federal district courts and before the Patent and Trademark Office, the Patent Trial and Appeal Board (PTAB), the International Trade Commission (ITC), the Court of Appeals for the Federal Circuit, and the Supreme Court. Charlie believes that litigating to win is also the best way to settle a case, and he has extensive experience with mediation and negotiating settlements. 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 clients 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.
*Matter completed prior to joining Benesch.
Representative Experience
- Class Technologies Inc. v. AK Meeting IP LLC (S.D. Fla. 2024); defended a provider of online collaboration services against patent infringement charges filed by a non-practicing entity, resulting in favorable resolution.*
- Jawbone Innovations, LLC v. ZTE Corporation (E.D. Tex. 2024); defended a manufacturer of wireless communication devices in this patent infringement action, which resulted in a favorable resolution.*
- Certain Semiconductor Devices Having Layered Dummy Fill (ITC Inv. No. 337-TA-1342, 2023); represented a leading manufacturer of imaging sensors as a respondent in this investigation, resulting in favorable resolution and the client paying zero in settlement fees.*
- Werner Co. v. Louisville Ladder, Inc. (W.D. Ky 2023); represented a leading ladder manufacturer accused of infringing a competitor’s patent, resulting in dismissal of the competitor’s patent infringement claim after successfully challenging the asserted patent claims.*
- Certain Cloud-Connected Wood Pellet Grills (ITC Inv. No. 337-TA-1237, 2022); represented a leading manufacturer of wood pellet grills as the complainant in this investigation, resulting in a finding of infringement and issuance of a limited exclusion order.*
- INVT SPT LLC v. ITC (Fed. Circ. 2022); represented manufacturer of cellular communications devices in this appeal filed by a non-practicing entity, resulting in affirmance of the ITC’s favorable ruling of non-infringement.*
- Wakefield v. Blackboard, Inc. (Fed. Cir. 2022); represented a provider of online collaboration services in defending this appeal filed by a non-practicing entity, favorably resulting in affirmance of the district court’s claim constructions and summary finding.*
- CoolTVNetwork.com v. Blackboard Inc. (D. Del. 2021); defended a provider of online collaboration services against in this patent infringement case filed by a non-practicing entity, resulting in favorable claim construction and a summary finding of invalidity as to all asserted claims.*
- TrickleStar Inc. v. AM Conservation Group, Inc. (N.D. Ill. 2021); defendant manufacturer of advanced powerstrips against claims of patent and trademark infringement, resulting in favorable resolution.*
- Evolved Wireless, LLC v. ZTE Corporation (D. Del. 2021); defended supplier of cellular communications devices in this patent infringement case, resulting in favorable resolution after the PTAB canceled all asserted claims from four of the five asserted patents.*