Charles S. Duan

Patent attorney, USPTO registration number 65114, status Active.

Firm
American University Washington College of Law
Location
Washington, DC
On the USPTO roster since
October 2009

Charles S. Duan is a USPTO-registered patent attorney (registration number 65114) at American University Washington College of Law, in Washington, DC. The registration is active on the current USPTO roster, and Charles S. Duan has been listed on the roster since October 2009.

American University Washington College of Law has 16 registered patent practitioners on the roster (1 patent attorney), so Charles S. Duan works alongside 15 other registered practitioners there.

Washington, DC has 2,644 registered patent practitioners in all: 1,995 patent attorneys and 568 patent agents.

Other registered practitioners in Washington, DC

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