Ting-Yu Chang

Patent agent, USPTO registration number 83220, status Active.

Location

San Diego, CA

On the USPTO roster since

January 2025

Ting-Yu Chang is a USPTO-registered patent agent (registration number 83220), in San Diego, CA. The registration is active on the current USPTO roster, and Ting-Yu Chang has been listed on the roster since January 2025.

San Diego, CA has 1,150 registered patent practitioners in all: 747 patent attorneys and 373 patent agents.

Other registered practitioners in San Diego, CA

• Linda G. Gunderson — Patent attorney, Reg. No. 46341, Qualcomm Incorporated
• Yuntao Guo — Patent attorney, Reg. No. 60560, The Law Office of Daniel Guo, P.C.
• Sanskriti Gupta — Limited recognition, Reg. No. 901043, Thomas Jefferson School of Law
• Peter J. Gutierrez, III — Patent attorney, Reg. No. 56732, Garson & Gutierrez, PC
• James T. Gutierrez — Patent attorney, Reg. No. 68940, Qualcomm INC
• Christopher S. Hack — Patent attorney, Reg. No. 82444, DLA Piper
• Aubrey A. Haddach — Patent attorney, Reg. No. 48374, Progenity
• James Ttrett Hagler — Patent attorney, Reg. No. 40631, Qualcomm INC

All patent attorneys and agents in San Diego, CA

Patent firms in California · Practitioners by state

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