Intellectual Property Law: Counseling, Licensing, Litigation & Procurement

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Banner & Witcoff is one of the largest law firms in the U.S. dedicated solely to the practice of intellectual property law. Tracing our roots back to the 1920s, we employ more than 100 attorneys and patent agents in our four offices – Chicago, Washington, Boston, and Portland.

Ten South Wacker Drive
Suite 3000
Chicago, IL 60606-7407
T: 312.463.5000
F: 312.463.5001
Washington DC
1100 13th Street, NW
Suite 1200
Washington, DC 20005-4051
T: 202.824.3000
F: 202.824.3001
28 State Street
Suite 1800
Boston, MA 02109-1705
T: 617.720.9600
F: 617.720.9601
One World Trade Center
121 Southwest Salmon Street, 11th Floor
Portland, OR 97204
T: 503.425.6800
F: 503.425.6801