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

1,060 Profile Views

Darnell Cartwright

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...

Brandon Nolan

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...

Chad Jones

Jan 30, 2026

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

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...

Sergio Connelly

Jan 30, 2026

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

If you're looking for someone who actually cares and will fight for you, go to John S. LeRoy. They helped me out big time with my Litigation - Intellectual Property law issue and kept me informed at e...

Megan Braun

Jan 30, 2026

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

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...

John S. LeRoy

About John