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

1,061 Profile Views

Glenn Ferry

Jan 30, 2026

Would recommend John S. LeRoy for sure to anyone in Royal Oak needing legal help

John S. LeRoy has been doing this since Recognized in Best Lawyers since 2015, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my legal ma...

Wendell Rice

Jan 30, 2026

John S. LeRoy did a great job handling my complex Litigation - Intellectual Property law case from start to finish

I've worked with a few lawyers in Royal Oak over the years, but John S. LeRoy stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times. I felt...

Patsy Schaefer-Hills

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...

Sonia Tillman

Jan 30, 2026

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

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...

Viola Maggio

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...

John S. LeRoy

About John