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

1,054 Profile Views

Dean Beier

Jan 29, 2026

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

I've already told all my friends and family about R. Mark Halligan. If you need Litigation - Intellectual Property law help in Illinois, they're the ones to see without any doubt. They are local exper...

Gilbert Schinner

Jan 29, 2026

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

Just wanted to say a huge thanks to R. Mark Halligan and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their...

Marian Bogan

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...

Curtis Jerde

Jan 29, 2026

So happy with the results of my case thanks to the hard work of R. Mark Halligan and staff

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...

Lillian Kirlin

Jan 29, 2026

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