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

1,051 Profile Views

Harold Labadie

Jan 29, 2026

If you're feeling lost with a Litigation - Intellectual Property law issue in Illinois, call R. Mark Halligan now

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...

Shawn Ebert

Jan 29, 2026

The absolute best in Chicago for Litigation - Intellectual Property law - and I mean that from the bottom of my heart

Short and sweet: R. Mark Halligan is the real deal and a true professional in the field of Litigation - Intellectual Property law. If you're in Chicago and need help with your legal issues, call them...

Darren Swift

Jan 29, 2026

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

I didn't think I'd find such a good lawyer in Illinois, but here we are and I am thoroughly impressed. R. Mark Halligan is just awesome and exceeded all my expectations. No complaints at all! They rea...

Claudia Hayes

Jan 29, 2026

Finding R. Mark Halligan was the best thing that happened during my tough Litigation - Intellectual Property law battle

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...

Derek Prohaska

Jan 29, 2026

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

Solid experience overall with the law firm of R. Mark Halligan. They know Litigation - Intellectual Property law inside and out and gave me great advice. Very helpful and got the job done exactly as t...