Patent attorneys and agents in Green Valley, AZ

3 USPTO-registered patent practitioners: 2 patent attorneys and 1 patent agents.

• David L. Berdan — Patent attorney, Reg. No. 41614
• David William Collins — Patent attorney, Reg. No. 26857, David W. Collins IP Law PLLC
• Dieter J. Schaefer — Patent agent, Reg. No. 24873