Roy Chamcharas

Patent attorney, USPTO registration number 61735, status Active.

Firm

Klarquist Sparkman LLP

Location

Portland, OR

On the USPTO roster since

October 2009

Roy Chamcharas is a USPTO-registered patent attorney (registration number 61735) at Klarquist Sparkman LLP, in Portland, OR. The registration is active on the current USPTO roster, and Roy Chamcharas has been listed on the roster since October 2009.

Klarquist Sparkman LLP has 59 registered patent practitioners on the roster (44 patent attorneys and 14 patent agents), so Roy Chamcharas works alongside 58 other registered practitioners there.

Portland, OR has 335 registered patent practitioners in all: 230 patent attorneys and 89 patent agents.

Other registered practitioners in Portland, OR

• Susan H. Bragdon — Patent agent, Reg. No. 57643
• Victoria Alyssa Brandao — Limited recognition, Reg. No. 901727, Lewis & Clark Law School
• Justin K. Brask — Patent attorney, Reg. No. 61080, Schwabe Williamson & Wyatt PC
• Molly C. Brockway — Patent agent, Reg. No. 80040, Oregon Health Sciences University Knight Cancer Institute
• Debra R. Bruce — Patent agent, Reg. No. 72841, Klarquist Sparkman LLC
• William K. Bucher — Patent agent, Reg. No. 32686, Tektronix INC
• Gillian L. Bunker — Patent agent, Reg. No. 47461, Schwabe Williamson & Wyatt
• Daniel B. Burg — Patent attorney, Reg. No. 41649

All patent attorneys and agents in Portland, OR

Patent firms in Oregon · Practitioners by state

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