Charley Macedo

Job Title: Partner
Company: Amster, Rothstein & Ebenstein LLP

Charles R. Macedo, a physicist by training, litigates in all areas of intellectual property law, including patent, trademark and copyright law, with a special emphasis in complex litigation and appellate work. Companies and individuals from a wide range of industries turn to him to develop offensive and defensive strategies for the development and enforcement of their patent and trademark portfolios. 

At the Patent Office, Mr. Macedo has supervised and obtained many large portfolio of patents, successfully served as lead counsel for petitioners which invalidated challenged patents in inter partes review proceedings, and patent owners which had claims survive in inter partes review proceedings and covered business method proceeding.  

Mr. Macedo has also been counsel of record or additional counsel on almost 50 party and amicus briefs before the U.S. Supreme Court, the U.S. Court of Appeals for the Federal Circuit, and other court of appeals and tribunals.   Among other important intellectual property cases, Mr. Macedo was counsel of record in multiple briefings at the Federal Circuit and the Supreme Court in U.S. v. Arthrex, at the Supreme Court in American Axle v. Neapco, Return Mail v. U.S. Postal Service, and at the Federal Circuit and PTAB in St. Regis Mohawak Tribes v. Mylan Pharmaceuticals, Inc.

Mr. Macedo is a thought leader and active participant in many leading intellectual property law organizations. He is currently the co-chair of the PTAB Committee at the New York Intellectual Property Board Association, and previously served on the Board of Directors and as Co-Chair of the Amicus Brief Committee for the same organization.  He currently serves on the Editorial Board of the prestigious Journal of Intellectual Property Law and Practice (published by Oxford University Press), and previously served on the Editorial Board of the AIPLA QJ.   He is also the author of The Corporate Insider’s Guide to U.S. Patent Practice. He has been cited as an authority on intellectual property issues by the Wall Street Journal, Dow Jones, IAM, BNA, Bloomberg, Inside Counsel, Managing Intellectual Property, Technology Transfer Tactics, IP Law 360, JIPLP and other media.  He is an award-winning author including a prior recipient of the Robert Watson Award from the AIPLA, for his article  “First-to-File: Is American Adoption of the International Standard in Patent Law Worth the Price?”, 18 AIPLA QJ 193 (1989).

Full biography at