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

1,026 Profile Views

Elbert Ritchie

Feb 02, 2026

Outstanding experience with Brian O'Connor in Chicago - truly the best legal team

Short and sweet: Brian O'Connor is the real deal and a true professional in the field of Commercial Litigation law. If you're in Chicago and need help with your legal issues, call them immediately. Yo...

Gregory Quigley-Kunde

Feb 02, 2026

Many thanks to Brian O'Connor for the hard work and dedication to my legal matter

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...

Forrest Lang

Feb 02, 2026

Reliable lawyer you can count on - Brian O'Connor provided excellent service throughout

I've worked with a few lawyers in Chicago over the years, but Brian O'Connor stands out for their honesty and thoroughness. They were clear about the process and kept me updated at all times. I felt c...

Tracey Pfannerstill

Feb 02, 2026

Solid work and professional service from Brian O'Connor in Chicago for Illinois residents

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,...

Mary Bruen

Feb 02, 2026

Highly recommend Brian O'Connor for anyone needing expert Commercial Litigation law help in Illinois

If you're looking for someone who actually cares and will fight for you, go to Brian O'Connor. They helped me out big time with my Commercial Litigation law issue and kept me informed at every step of...