Paul J. Hayes

Paul J. Hayes is an accomplished patent litigator with extensive experience in intellectual property law, focusing on patent, trademark, copyright infringement, and trade secret misappropriation. His practice includes trial and appellate work, demonstrating a strong emphasis on courtroom advocacy.

Throughout his career, Mr. Hayes has primarily represented plaintiffs in patent infringement cases, as evidenced by his tracked appearances. He has also successfully defended clients, with publicly reported victories for both sides in patent litigation. He has held roles as Counsel and Of Counsel at various firms, including Hayes Messina Gilman & Hayes and Mintz, Levin, Cohn, Ferris, Glovsky & Popeo, the latter being where he was involved in significant plaintiff-side patent litigation.

A notable case in Mr. Hayes's career includes representing Uniloc USA, Inc. against Microsoft Corporation. He was part of the Mintz Levin team that secured a $388 million verdict for Uniloc in 2009 for willful patent infringement related to software activation technology, a verdict described as one of the largest on record for patent-related cases at the time. This case is consistent with his appearances in Uniloc USA, Inc. et al. v. Microsoft Corporation and Uniloc USA, Inc. v. Microsoft Corporation. He also has experience with technology areas like speech recognition, having successfully defended a startup against multiple patent infringement claims. The case Marshall Feature Recognition, LLC et al. v. Apple Inc. further indicates his involvement in complex technology disputes. While his biography mentions trial and appellate practice, there is no specific information in the available sources to confirm regular appearances in IPR/PTAB proceedings.

Mr. Hayes earned his Bachelor of Science in Mechanical Engineering from Lowell Technological Institute in 1968 and his Juris Doctor from New England School of Law in 1974. He was admitted to the Massachusetts bar in 1974 and is registered to practice before the United States Patent and Trademark Office, as well as various U.S. District Courts, Courts of Appeals (including the Federal Circuit), and the U.S. Supreme Court.