Ya-Fen Chen

Patent attorney, USPTO registration number 51553, status Active.

Firm

JAS Law, LLP

Location

Sunnyvale, CA

On the USPTO roster since

before May 2006

Ya-Fen Chen is a USPTO-registered patent attorney (registration number 51553) at JAS Law, LLP, in Sunnyvale, CA. The registration is active on the current USPTO roster, and Ya-Fen Chen has been listed on the roster since before May 2006.

JAS Law, LLP is listed with one registered practitioner on the current roster.

Sunnyvale, CA has 163 registered patent practitioners in all: 102 patent attorneys and 57 patent agents.

Other registered practitioners in Sunnyvale, CA

• Kenneth T. Daxer — Patent agent, Reg. No. 76315
• Joshua M. Denson — Patent agent, Reg. No. 84319
• Nathan L. Depew — Patent agent, Reg. No. 80024, Depew Engineering
• Louis Diep — Patent attorney, Reg. No. 57778, Nokia
• Jeremy C. Doerre — Patent attorney, Reg. No. 62146, Amazon
• Dennis J. Duncan — Patent attorney, Reg. No. 59508, Walmart, Inc.
• Michael Cheng Feng — Patent attorney, Reg. No. 72139, Intuitive Surgical Inc
• Michael J. Ferrazano — Patent attorney, Reg. No. 44105, Dickinson Wright RLLP

All patent attorneys and agents in Sunnyvale, CA

Patent firms in California · Practitioners by state

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