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

1,056 Profile Views

Estelle Boehm

Jan 30, 2026

Top notch experts in Royal Oak - John S. LeRoy is by far the best lawyer I've ever had

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...

Paul Nienow

Jan 30, 2026

Five stars for the incredible team at John S. LeRoy in Royal Oak - they are amazing

Really glad I found John S. LeRoy for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If you're in Mic...

Rickey Nicolas

Jan 30, 2026

Reliable lawyer you can count on - John S. LeRoy provided excellent service throughout

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...

Ruben Cremin

Jan 30, 2026

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

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...

Amber Okuneva

Jan 30, 2026

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

I appreciate how John S. LeRoy handled my case. No fluff, just straight to the point and very effective representation for my Litigation - Intellectual Property law matter. They are obviously very exp...

John S. LeRoy

About John