Yanfang Feng

Patent agent, USPTO registration number 84459, status Active.

Location

Winchester, MA

On the USPTO roster since

April 2026

Yanfang Feng is a USPTO-registered patent agent (registration number 84459), in Winchester, MA. The registration is active on the current USPTO roster, and Yanfang Feng has been listed on the roster since April 2026.

Winchester, MA has 13 registered patent practitioners in all: 7 patent attorneys and 6 patent agents.

Other registered practitioners in Winchester, MA

• Stacey N. Irizarry — Patent agent, Reg. No. 56380, GTC Law Group
• J. Justin Lancaster — Patent attorney, Reg. No. 43737, J. Justin Lancaster, Law Offices
• Joseph S. Matrisciano, Jr — Patent attorney, Reg. No. 44225, US Food and Drug Administration Winchester Engineering & Analytical Center
• Randall David Morin — Patent attorney, Reg. No. 58312, Goodwin Procter, LLP.
• George W. Neuner — Patent attorney, Reg. No. 26964, Edwards Wildman Palmer LLP
• David R. Widom — Patent agent, Reg. No. 61555, Lerner, David, Littenberg, Krumholz & Mentlik, LLP
• Pamela D. Ariniello — Patent attorney, Reg. No. 40489, Joslin Diabetes Center
• Carolyn Sullivan Bektas — Patent attorney, Reg. No. 38326, Law Office of Carolyn S. Bektas

All patent attorneys and agents in Winchester, MA

Patent firms in Massachusetts · Practitioners by state

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