John S. Brennan

4.5 (38 reviews )

Okemos Michigan United States

Commercial Litigation Litigation - Construction Litigation - Intellectual Property +2 more

Recognized in Best Attorney USA since 2021

517-381-0100 Website

About John

John S. Brennan is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Construction, Litigation - Intellectual Property, Litigation - Municipal and Municipal Law.John S., who practices law in Okemos, Michigan, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John S. is held by other top lawyers in the same geographic and legal practice area.

John S., who practices law in Okemos, Michigan, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John S. is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Commercial Litigation

Litigation - Construction

Litigation - Intellectual Property

Litigation - Municipal

Municipal Law

Education

Boston College Law School

Awards & Recognition

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Reviews

4.5 / 5

38 Reviews

1,044 Profile Views

Cora Mayer

Jan 29, 2026

Five stars for the incredible team at John S. Brennan in Okemos - they are amazing

If you need a Commercial Litigation law lawyer, John S. Brennan 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 of my case....

Michelle Harvey

Jan 29, 2026

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

Really glad I found John S. Brennan 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 M...

Tami Breitenberg

Jan 29, 2026

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

John S. Brennan has been doing this since Recognized in Best Lawyers since 2021, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my legal...

Ralph Greenfelder

Jan 29, 2026

Five stars for the incredible team at John S. Brennan in Okemos - they are amazing

John S. Brennan is fantastic and very professional. Don't hesitate to hire them if you're in Michigan and need help. They really know their stuff and will go the extra mile to make sure you're taken c...

Bryant Mills

Jan 29, 2026

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

I wasn't sure who to call for my Commercial Litigation law problem, but I'm so glad I went with John S. Brennan. They really listened to me and understood my situation. It was such a relief to have so...

John S. Brennan

About John