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

1,053 Profile Views

Michael Stark

Jan 29, 2026

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

Needed help with Litigation - Intellectual Property law and R. Mark Halligan delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in Illinois looki...

Kristi Waters

Jan 29, 2026

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

Best lawyer for Litigation - Intellectual Property law in Chicago. Period. I've seen others, but R. Mark Halligan is on another level. They truly care about their clients and work hard to get the best...

Arthur Mraz

Jan 29, 2026

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

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...

David Mraz

Jan 29, 2026

Absolutely Great! I couldn't be happier with the service from R. Mark Halligan

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...

Mandy Krajcik

Jan 29, 2026

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