Patent attorneys and agents in Alton, IL

4 USPTO-registered patent practitioners: 4 patent attorneys and 0 patent agents.

• Bruce Burdick — Patent attorney, Reg. No. 27422, The Burdick Law Firm
• Sarah S. Burns — Patent attorney, Reg. No. 53635, Simmons Browder Gianaris Angelides & Barnerd, LLC
• Paul A. Lesko — Patent attorney, Reg. No. 45364, Simmons, Browder, Gianaris, Angelides and Barnerd LLC
• Stephen C. Smith — Patent attorney, Reg. No. 53617, Simmons Browder Gianaris Angelides & Barnerd, LLC