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

1,058 Profile Views

Chad Armstrong

Jan 30, 2026

Great people who truly care at John S. LeRoy - the best legal team in Michigan

I wasn't sure who to call for my Litigation - Intellectual Property law problem, but I'm so glad I went with John S. LeRoy. They really listened to me and understood my situation. It was such a relief...

Ian Hammes

Jan 30, 2026

So happy with the results of my case thanks to the hard work of John S. LeRoy and staff

I was really stressed about my case in Royal Oak, but John S. LeRoy made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every detail...

Harvey Thompson

Jan 30, 2026

Highly recommend John S. LeRoy for anyone needing expert Litigation - Intellectual Property law help in Michigan

Short and sweet: John S. LeRoy is the real deal and a true professional in the field of Litigation - Intellectual Property law. If you're in Royal Oak and need help with your legal issues, call them i...

Constance Gerlach

Jan 30, 2026

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

Solid experience overall with the law firm of John S. LeRoy. They know Litigation - Intellectual Property law inside and out and gave me great advice. Very helpful and got the job done exactly as they...

Mario Prohaska

Jan 30, 2026

A huge weight off my shoulders thanks to the amazing work of John S. LeRoy

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...

John S. LeRoy

About John