Ethan Perbohner
Associate

P: 312-881-5182

eperbohner@goldmanismail.com Save as PDF

Ethan litigates complex cases involving a range of scientific and technical issues. He has handled matters involving patent infringement, post-grant proceedings, trade-secret misappropriation cases, and licensing disputes. Ethan is also a talented IP strategist, advising businesses and investors on ways to leverage IP assets to maximize competitive advantage. These matters have involved a variety of technologies, including medical devices, network architecture, 4G/5G cellular networks, e-commerce, and consumer electronics.

Ethan’s experience extends across all stages of litigation, including managing discovery, working closely with experts to prepare inter partes review petitions and reports, taking depositions, and preparing witnesses for trial. Ethan has led briefing on successful dispositive motions. He has also argued before the US Patent Trial and Appeal Board.

Prior to joining Goldman Ismail, Ethan practiced with another leading national law firm. Ethan earned his B.S. in Electrical Engineering from the University of Illinois Urbana-Champaign and his J.D. cum laude from DePaul University College of Law. Before law school, Ethan worked as a Senior Patent Analyst at a patent brokerage firm where he performed IP landscaping and consulting projects on behalf of Fortune 500 companies.

  • Network Architecture Patent Litigation
    • Defended a Fortune 100 technology company in a patent-infringement proceeding and a parallel inter partes review proceeding. Successfully invalidated all asserted claims before the USPTO.

    Glucose Monitor Litigation
    • Represented a Fortune 500 medical device company in a patent-infringement and licensing case. A successful global settlement was reached.

    Medical Device Litigation
    • Represented a leading orthopedic surgeon in a patent-licensing dispute against a global medical company. The case resolved after a successful arbitration.

    • Associate, Goldman Ismail Tomaselli Brennan & Baum LLP
    • DePaul University College of Law (J.D., cum laude)
    • University of Illinois Urbana-Champaign (B.S.)
    • Extern, Honorable John Z. Lee, United States District Court for the Northern District of Illinois

    • Clerk, United States Senate Committee on the Judiciary, Office of Chairman Senator Durbin

    • State of Illinois
    • District of Columbia
    • U.S. District Court for the Northern District of Illinois