John C. Dorfman

Patent attorney, USPTO registration number 16703, status Active.

Firm

Dann Dorfman Herrell and Skillman PC

Location

Philadelphia, PA

On the USPTO roster since

before May 2006

John C. Dorfman is a USPTO-registered patent attorney (registration number 16703) at Dann Dorfman Herrell and Skillman PC, in Philadelphia, PA. The registration is active on the current USPTO roster, and John C. Dorfman has been listed on the roster since before May 2006.

Dann Dorfman Herrell and Skillman PC has 2 registered patent practitioners on the roster (2 patent attorneys), so John C. Dorfman works alongside 1 other registered practitioner there.

Philadelphia, PA has 513 registered patent practitioners in all: 377 patent attorneys and 115 patent agents.

Other registered practitioners in Philadelphia, PA

• Jay M. Herskowitz — Patent attorney, Reg. No. 58101
• Jessie Otter Hess — Limited recognition, Reg. No. 902849, University Of Pennsylvania Law School
• Patrick H. Higgins — Patent attorney, Reg. No. 39709, Eckert Seamans Cherin & Mellott LLC
• John O. Hillman — Patent attorney, Reg. No. 84186, Duane Morris LLP
• Mitchell D. Hirsch — Patent agent, Reg. No. 54170, Volpe and Koening, P.C.
• George Dever Hobbs, II — Patent attorney, Reg. No. 32088, The Wistar Instilvte
• David B. Hoffman — Patent attorney, Reg. No. 62835, Baker & Hostetler LLP
• Michael P. Hogan — Patent attorney, Reg. No. 45842, Offit Kurman

All patent attorneys and agents in Philadelphia, PA

Patent firms in Pennsylvania · Practitioners by state

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