John A. Castellano, III

Patent attorney, USPTO registration number 35094, status Active.

Firm

Harness, Dickey & Pierce, PLC

Location

Reston, VA

On the USPTO roster since

before May 2006

John A. Castellano, III is a USPTO-registered patent attorney (registration number 35094) at Harness, Dickey & Pierce, PLC, in Reston, VA. The registration is active on the current USPTO roster, and John A. Castellano has been listed on the roster since before May 2006.

Harness, Dickey & Pierce, PLC has 86 registered patent practitioners on the roster (84 patent attorneys and 1 patent agent), so John A. Castellano works alongside 85 other registered practitioners there.

Reston, VA has 241 registered patent practitioners in all: 193 patent attorneys and 47 patent agents.

Other registered practitioners in Reston, VA

• Jon Laurence Roberts — Patent attorney, Reg. No. 31293, The Marbury Law Group PLLC
• James Lawrence Rowland — Patent attorney, Reg. No. 32674, Greenblum and Bernstein P.L.C.
• Stephen Michael Roylance — Patent agent, Reg. No. 31296, Greenblum and Bernstein P.L.C.
• J Steven Rutt — Patent agent, Reg. No. 40153, The Marbury Law Group PLLC
• Joshua M. Rychlinski — Patent attorney, Reg. No. 70318, Akamai Technologies
• Kenneth Harry Salen — Patent agent, Reg. No. 43077, Greenblum & Bernstein, P.L.C.
• Linda Marie Saltiel — Patent attorney, Reg. No. 51122, Lsip Law LLC
• Arash Sayyah — Patent attorney, Reg. No. 80855, Ofinno

All patent attorneys and agents in Reston, VA

Patent firms in Virginia · Practitioners by state

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