David A. Crowther

Patent attorney, USPTO registration number 60426, status Active.

Firm

David Crowther Law PC

Location

Portland, OR

On the USPTO roster since

November 2007

David A. Crowther is a USPTO-registered patent attorney (registration number 60426) at David Crowther Law PC, in Portland, OR. The registration is active on the current USPTO roster, and David A. Crowther has been listed on the roster since November 2007.

David Crowther Law PC is listed with one registered practitioner on the current roster.

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

Other registered practitioners in Portland, OR

• Adnan K. Husain — Patent attorney, Reg. No. 68708, Klarquist Sparkman LLP
• Frances Lu-Pai Ippolito — Patent attorney, Reg. No. 62042, ESCO Regional Headquarters
• Joseph Thomas Jakubek — Patent attorney, Reg. No. 34190, Klarquist Sparkman LLP
• Garth E. Janke — Patent attorney, Reg. No. 40662, Portland Intellectual Property, LLC
• Sarah E. Jelsema — Patent attorney, Reg. No. 70804, Klarquist Sparkman LLP
• Soojeong Ji — Patent attorney, Reg. No. 77633, Klarquist Sparkman LLC
• Kevin C. Jiang — Patent agent, Reg. No. 77854, Wen Jiang & Company, PC
• Jason A. Johns — Patent attorney, Reg. No. 60268, Stoel Rives LLP

All patent attorneys and agents in Portland, OR

Patent firms in Oregon · Practitioners by state

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