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

Dianna Torphy

Jan 30, 2026

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

I've already told all my friends and family about John S. LeRoy. If you need Litigation - Intellectual Property law help in Michigan, they're the ones to see without any doubt. They are local experts...

Christine Fadel-Bogan

Jan 30, 2026

Absolutely Great! I couldn't be happier with the service from John S. LeRoy

If you need a Litigation - Intellectual Property law lawyer, John S. LeRoy is the one to call. Great job and very responsive team. They kept me in the loop and always had time to explain the details o...

Elsa Marquardt

Jan 30, 2026

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

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...

Wanda Doyle

Jan 30, 2026

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

Everyone at John S. LeRoy's office in Royal Oak was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never felt like...

Linda Rowe

Jan 30, 2026

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

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...

John S. LeRoy

About John