Hung P. Chang
Patent attorney, USPTO registration number 58711, status Active.
- Firm
- Play First, Inc.
- Location
- San Francisco, CA
- On the USPTO roster since
- April 2007
Hung P. Chang is a USPTO-registered patent attorney (registration number 58711) at Play First, Inc., in San Francisco, CA. The registration is active on the current USPTO roster, and Hung P. Chang has been listed on the roster since April 2007.
Play First, Inc. is listed with one registered practitioner on the current roster.
San Francisco, CA has 861 registered patent practitioners in all: 581 patent attorneys and 245 patent agents.
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- David R. Heckadon — Patent attorney, Reg. No. 50184, Gordon & Rees LLP
- William A. Hector — Patent attorney, Reg. No. 66823, Venable LLP
- M Henry Heines — Patent attorney, Reg. No. 28219, Kilpatrick Townsend & Stockton LLP
- Dieter H. Hellmoldt — Patent attorney, Reg. No. 54162, Hellmoldt Law, PC
- Michelle L. Henderson — Patent attorney, Reg. No. 42654, Pranger Law PC
All patent attorneys and agents in San Francisco, CA
Patent firms in California · Practitioners by state
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