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

1,055 Profile Views

Jill Hauck-Cartwright

Jan 30, 2026

Simply amazing representation from John S. LeRoy's office during my recent legal matter

Honestly, I can't thank John S. LeRoy enough for everything they've done for me. They really know their stuff when it comes to Litigation - Intellectual Property law and it shows in the results. 10/10...

Darnell Williamson

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...

Andrea Schroeder

Jan 30, 2026

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

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...

Janis Will

Jan 30, 2026

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

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...

Grace McDermott

Jan 30, 2026

So glad I called John S. LeRoy to handle my Litigation - Intellectual Property law case in Royal Oak

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