John S. LeRoy

4.6 (36 reviews )

Royal Oak Michigan United States

Litigation - Intellectual Property Litigation - Patent

Recognized in Best Attorney USA since 2015

248-358-4400 Website

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)

Practice Areas

Litigation - Intellectual Property

Litigation - Patent

Education

University of Dayton

Professional Affiliations

Awards & Recognition

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Reviews

4.6 / 5

36 Reviews

1,059 Profile Views

Josh Pfannerstill

Jan 30, 2026

Solid work and professional service from John S. LeRoy in Royal Oak for Michigan residents

Needed help with Litigation - Intellectual Property law and John S. LeRoy delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in Michigan looking...

Sheri Ryan

Jan 30, 2026

So glad I called John S. LeRoy to handle my Litigation - Intellectual Property law case in Royal Oak

Just wanted to say a huge thanks to John S. LeRoy and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their con...

Clayton Kling

Jan 30, 2026

Really helpful and compassionate service from everyone at John S. LeRoy's firm

Essie Kling

Jan 30, 2026

Professional service and clear communication provided by John S. LeRoy in Royal Oak

It's hard finding a reliable lawyer these days, but John S. LeRoy in Royal Oak is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, responsive,...

Elizabeth Ritchie-Kris

Jan 30, 2026

Really helpful and compassionate service from everyone at John S. LeRoy's firm

John S. LeRoy

About John