Haiyin Chang
Patent agent, USPTO registration number 73241, status Active.
- Firm
- Children's National Hospital
- Location
- Washington, DC
- On the USPTO roster since
- January 2016
Haiyin Chang is a USPTO-registered patent agent (registration number 73241) at Children's National Hospital, in Washington, DC. The registration is active on the current USPTO roster, and Haiyin Chang has been listed on the roster since January 2016.
Children's National Hospital is listed with one registered practitioner on the current roster.
Washington, DC has 2,644 registered patent practitioners in all: 1,995 patent attorneys and 568 patent agents.
Other registered practitioners in Washington, DC
- Clark S. Cheney — Patent attorney, Reg. No. 52731, U.S. International Trade Commission U.S. International Trade Commission
- Timothy D. Cheng — Patent attorney, Reg. No. 64472
- Lee Cheng — Patent attorney, Reg. No. 40949, Cheng Law Group, PLLC
- Soonwuk Cheong — Patent attorney, Reg. No. 62793, CL Interlectual LLC
- Randall Hale Cherry — Patent attorney, Reg. No. 51556, U.S. Environmental Protection Agency
- Christopher M. Cherry — Patent attorney, Reg. No. 65356, Buchanan Ingersoll & Rooney P.C.
- Kavitha B. Cherukuri — Patent agent, Reg. No. 67379, Morgan Lewis & Bockius LLP
- Wilburn L. Chesser — Patent attorney, Reg. No. 41668, Arent Fox LLP
All patent attorneys and agents in Washington, DC
Patent firms in District of Columbia · Practitioners by state
Is this you? Claim your free Wysebridge profile.