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

1,050 Profile Views

Tim Sipes-Watsica

Jan 29, 2026

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

R. Mark Halligan is fantastic and very professional. Don't hesitate to hire them if you're in Illinois and need help. They really know their stuff and will go the extra mile to make sure you're taken...

Fernando Welch

Jan 29, 2026

Solid work and professional service from R. Mark Halligan in Chicago for Illinois residents

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...

Ruby Hodkiewicz

Jan 29, 2026

R. Mark Halligan did a great job handling my complex Litigation - Intellectual Property law case from start to finish

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...

Gretchen Schmitt

Jan 29, 2026

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

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...

Elaine Renner

Jan 29, 2026

Five stars for the incredible team at R. Mark Halligan in Chicago - they are amazing

Really glad I found R. Mark Halligan for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If you're in...