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

1,056 Profile Views

Morris Schoen

Jan 29, 2026

Highly recommend R. Mark Halligan for anyone needing expert Litigation - Intellectual Property law help in Illinois

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

Debbie Mitchell

Jan 29, 2026

A very good experience overall with the entire team at R. Mark Halligan's legal practice

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

Scott Lang

Jan 29, 2026

Many thanks to R. Mark Halligan for the hard work and dedication to my legal matter

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...

Joe Mills

Jan 29, 2026

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

I was skeptical about hiring a lawyer for my Litigation - Intellectual Property law issue in Chicago, but R. Mark Halligan changed my mind completely. They were professional, responsive, and most impo...

Tiffany Hauck

Jan 29, 2026

Reliable lawyer you can count on - R. Mark Halligan provided excellent service throughout

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...