William Charles O'Neil
Winston & Strawn, LLP • Chicago, IL
Antitrust Trade LawCommercial Antitrust & Trade Law Litigation General Practice
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Contact
Email
Phone
(312) 324-0846
Address
35 W Wacker Dr, Chicago, IL, 60601-1723, US
Professional
About Antitrust Trade Law
Antitrust attorneys handle matters involving competition law, market practices, and trade regulations. They help businesses comply with antitrust laws and defend against claims. Common matters include price fixing, monopoly claims, merger review, trade practices.
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View all Antitrust Trade Law attorneys in Chicago →Updated: Mar 08, 2026