Brian O'Connor

4.4 (36 reviews )

Chicago Illinois United States

Commercial Litigation

Recognized in Ones to Watch since 2026

312-407-0700 Website

About Brian

Brian O'Connor is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation.Brian, who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.

Brian O'Connor is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation.

Brian, who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Commercial Litigation

Awards & Recognition

Recognized: Commercial Litigation

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Reviews

4.4 / 5

36 Reviews

1,031 Profile Views

Evan Feil

Feb 02, 2026

The absolute best in Chicago for Commercial Litigation law - and I mean that from the bottom of my heart

I didn't think I'd find such a good lawyer in Illinois, but here we are and I am thoroughly impressed. Brian O'Connor is just awesome and exceeded all my expectations. No complaints at all! They reall...

Emma Kertzmann

Feb 02, 2026

Five stars for the incredible team at Brian O'Connor in Chicago - they are amazing

Really glad I found Brian O'Connor 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 Il...

Ellen Stanton

Feb 02, 2026

A very good experience overall with the entire team at Brian O'Connor's legal practice

It's hard finding a reliable lawyer these days, but Brian O'Connor in Chicago is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, responsive,...

Danny Nikolaus

Feb 02, 2026

Five stars for the incredible team at Brian O'Connor in Chicago - they are amazing

If you need a Commercial Litigation law lawyer, Brian O'Connor 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. I...

Brad Armstrong

Feb 02, 2026

A very good experience overall with the entire team at Brian O'Connor's legal practice

Solid experience overall with the law firm of Brian O'Connor. They know Commercial Litigation law inside and out and gave me great advice. Very helpful and got the job done exactly as they said they w...