David J. Chang
Patent agent, USPTO registration number 50374, status Active.
- Firm
- Roche Molecular System, Inc.
- Location
- Pleasanton, CA
- On the USPTO roster since
- before May 2006
David J. Chang is a USPTO-registered patent agent (registration number 50374) at Roche Molecular System, Inc., in Pleasanton, CA. The registration is active on the current USPTO roster, and David J. Chang has been listed on the roster since before May 2006.
Roche Molecular System, Inc. has 2 registered patent practitioners on the roster (1 patent attorney and 1 patent agent), so David J. Chang works alongside 1 other registered practitioner there.
Pleasanton, CA has 58 registered patent practitioners in all: 36 patent attorneys and 22 patent agents.
Other registered practitioners in Pleasanton, CA
- Mark A. Wilson — Patent attorney, Reg. No. 43994, Loza & Loza, LLP
- Daniel D. Wright — Patent agent, Reg. No. 75092
- Randy Z. Wu — Patent agent, Reg. No. 65346, 10X Genomics, Inc.
- Yi Yao — Patent attorney, Reg. No. 69658, DeHeng Law Offices
- Nabil A. Adawi — Patent attorney, Reg. No. 68179, Roche
- Rouzbeh Alani — Patent agent, Reg. No. 72964
- Pamela C. Ancona — Patent attorney, Reg. No. 41494, Roche Molecular Systems, INC.
- Martin Ravash Arastafar — Patent attorney, Reg. No. 61904, Veeva Systems Inc.
All patent attorneys and agents in Pleasanton, CA
Patent firms in California · Practitioners by state
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