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

Contact Me

Login Required

Please login to contact this attorney

Reviews

4.4 / 5

36 Reviews

1,030 Profile Views

Cristina Osinski

Feb 02, 2026

Brian O'Connor did a great job handling my complex Commercial Litigation law case from start to finish

Needed help with Commercial Litigation law and Brian O'Connor delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in Illinois looking for high-qua...

Dwight Rice

Feb 02, 2026

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

Super helpful and professional staff at Brian O'Connor's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and legal exp...

Estelle Kub

Feb 02, 2026

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

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...

Iris Rohan

Feb 02, 2026

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

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...

Oliver Haley

Feb 02, 2026

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

I was really stressed about my case in Chicago, but Brian O'Connor made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every detail w...