John S. LeRoy

John S. LeRoy

Litigation - Intellectual Property Litigation - Patent
Recognized in Best Attorney USA since 2015

About John

John S. LeRoy: Intellectual Property and Litigation Attorney in Detroit, Michigan

John S. LeRoy is a distinguished intellectual property and litigation attorney based in Royal Oak, Michigan, United States. With over two decades of dedicated service, he specializes in patent, trade secret, and copyright litigation involving software, electronics, and mechanical systems. His comprehensive approach focuses on efficiently resolving disputes outside the courtroom, reserving jury trials as a last resort.

Practice Areas

  • Patent Litigation
  • Trade Secret Litigation
  • Copyright Litigation
  • Litigation - Intellectual Property
  • Litigation - Patent

Awards and Recognitions

  • Lawyer of the Year: Litigation - Intellectual Property, Detroit (2017)
  • Recognized in Best Attorney USA since 2015
  • Best Laywers in America (2015)

Professional Affiliations

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Reviews

4.6 / 5

36 Reviews

1,062 Profile Views

J

Johnnie Steuber

Jan 30, 2026

Many thanks to John S. LeRoy for the hard work and dedication to my legal matter

Super helpful and professional staff at John S. LeRoy's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and legal expe...