John W. Caldwell, Sr
Patent agent, USPTO registration number 33313, status Active.
- Location
- Washington, DC
- On the USPTO roster since
- before May 2006
John W. Caldwell, Sr is a USPTO-registered patent agent (registration number 33313), in Washington, DC. The registration is active on the current USPTO roster, and John W. Caldwell has been listed on the roster since before May 2006.
Washington, DC has 2,644 registered patent practitioners in all: 1,995 patent attorneys and 568 patent agents.
Other registered practitioners in Washington, DC
- Scott A. Chambers — Patent attorney, Reg. No. 37573, Arnall Golden Gregory LLP
- Eunice Ng Chan — Patent attorney, Reg. No. 68981, Banner Witcoff
- Biju I. Chandran — Patent attorney, Reg. No. 63684, Bookoff Mcandrews, PLLC
- Ching Cheng Chang — Patent attorney, Reg. No. 73240, Arentfox Schiff LLP
- Haiyin Chang — Patent agent, Reg. No. 73241, Children's National Hospital
- Steve S. Chang — Patent attorney, Reg. No. 42402, Banner & Witcoff LTD
- Kyungsun T. Chang — Patent attorney, Reg. No. 48962, Paul Hastings Janofsky & Walker LLP
- Katie Y. Chang — Patent attorney, Reg. No. 81402, Kirkland & Ellis
All patent attorneys and agents in Washington, DC
Patent firms in District of Columbia · Practitioners by state
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