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John M. Michalik


(T) +1.312.269.4215
(F) +1.312.782.8585


  • University of Notre Dame (J.D. cum laude 2003); Georgetown University (B.S. in Chemistry 2000)

Bar Admissions

  • Illinois and registered to practice before the United States Patent and Trademark Office

John Michalik is a seasoned litigator in the area of intellectual property law, concentrating on complex patent litigation. He has litigated on behalf of Jones Day clients in federal district courts across the country and before the United States International Trade Commission. He also has significant experience with foreign enforcement and invalidation proceedings.

John frequently represents clients in cases concerning a wide range of cutting-edge technologies, including innovative pharmaceutical compounds and treatments, semiconductor products and processing technologies, computer hardware and software, internet and World Wide Web systems and protocols, cellular telephones and related infrastructure, and electronic commerce.

In 2016, John was a member of the trial team that achieved the record-breaking patent infringement verdict for Idenix Pharmaceuticals (a subsidiary of Merck & Co.), the largest infringement verdict in U.S. history. After a two-week trial, the jury ordered Gilead Sciences to pay $2.54 billion in damages for sales of sofosbuvir-based medicines, including Sovaldi and Harvoni, for its infringement of an Idenix patent related to the treatment of patients with hepatitis C virus (HCV) infection.

Other representative clients in recent public matters include AbbVie, Abbott Laboratories, Celgene, Dell, Freescale Semiconductor, IBM, Motorola, Sercel, and Texas Instruments.

John Michalik