Andrew T. Dufresne

Patent attorney, USPTO registration number 66636, status Active.

Firm

Perkins Coie LLP

Location

Madison, WI

On the USPTO roster since

July 2010

Andrew T. Dufresne is a USPTO-registered patent attorney (registration number 66636) at Perkins Coie LLP, in Madison, WI. The registration is active on the current USPTO roster, and Andrew T. Dufresne has been listed on the roster since July 2010.

Perkins Coie LLP has 129 registered patent practitioners on the roster (109 patent attorneys and 20 patent agents), so Andrew T. Dufresne works alongside 128 other registered practitioners there.

Madison, WI has 143 registered patent practitioners in all: 105 patent attorneys and 38 patent agents.

Other registered practitioners in Madison, WI

• Lisamarie A. Collins — Patent attorney, Reg. No. 71955, Foley & Lardner, LLP
• Kevin T. Conroy — Patent attorney, Reg. No. 38113, Exact Sciences Corporation
• Carly Serena Conway — Patent attorney, Reg. No. 68978, Exact Sciences Corporation
• Charles E. Cowles — Patent agent, Reg. No. 77463
• Julia M. Cox — Patent agent, Reg. No. 62318, Michael Best and Friedrich LLP
• Michael Joseph Cronin — Patent agent, Reg. No. 61196, Husch Blackwell LLP
• Douglas A. Dallmann — Patent attorney, Reg. No. 65636, Intel Corportion
• Deanna L. Dietrich — Patent attorney, Reg. No. 55783, University of Wisconsin - Madison

All patent attorneys and agents in Madison, WI

Patent firms in Wisconsin · Practitioners by state

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