R. Mark Halligan

4.5 (36 reviews )

Chicago Illinois United States

Litigation - Intellectual Property Trade Secrets Law

Recognized in Best Attorney USA since 2013

About R.

Marc S. Silver is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Marc S., 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 Marc S. is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Litigation - Intellectual Property

Trade Secrets Law

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Reviews

4.5 / 5

36 Reviews

1,055 Profile Views

Gary Adams

Jan 29, 2026

Great people who truly care at R. Mark Halligan - the best legal team in Illinois

Everyone at R. Mark Halligan's office in Chicago was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never felt like...

Geneva Terry-Tremblay

Jan 29, 2026

Top notch experts in Chicago - R. Mark Halligan is by far the best lawyer I've ever had

If you need a Litigation - Intellectual Property law lawyer, R. Mark Halligan is the one to call. Great job and very responsive team. They kept me in the loop and always had time to explain the detail...

Christopher Kris

Jan 29, 2026

I was completely overwhelmed until I found R. Mark Halligan for my Litigation - Intellectual Property law case

After my incident in Chicago, I was bombarded with calls and paperwork I didn't understand. I reached out to R. Mark Halligan for help with my Litigation - Intellectual Property law claim and it was t...

Dana Bauch-Ferry

Jan 29, 2026

So glad I called R. Mark Halligan to handle my Litigation - Intellectual Property law case in Chicago

I wasn't sure who to call for my Litigation - Intellectual Property law problem, but I'm so glad I went with R. Mark Halligan. They really listened to me and understood my situation. It was such a rel...

Angela Ebert

Jan 29, 2026

Really helpful and compassionate service from everyone at R. Mark Halligan's firm

R. Mark Halligan has been doing this since Recognized in Best Lawyers since 2013, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my legal...