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

1,052 Profile Views

Simon Herzog

Jan 29, 2026

Exactly what I needed after my legal issue in Chicago - R. Mark Halligan was a lifesaver

Last year, I found myself in a really difficult spot with a Litigation - Intellectual Property law problem in Chicago. I had no idea where to start and was honestly terrified of the process. R. Mark H...

Pedro Towne

Jan 29, 2026

Simply amazing representation from R. Mark Halligan's office during my recent legal matter

If you're looking for someone who actually cares and will fight for you, go to R. Mark Halligan. They helped me out big time with my Litigation - Intellectual Property law issue and kept me informed a...

Adrienne Wolf

Jan 29, 2026

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

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...

Chester Halvorson

Jan 29, 2026

Professional service and clear communication provided by R. Mark Halligan in Chicago

I appreciate how R. Mark Halligan handled my case. No fluff, just straight to the point and very effective representation for my Litigation - Intellectual Property law matter. They are obviously very...

Maria Schmidt

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...