Karl L. Klassen

Patent attorney, USPTO registration number 54224, status Active.

Firm

Perkins Coie LLP

Location

Seattle, WA

On the USPTO roster since

before May 2006

Karl L. Klassen is a USPTO-registered patent attorney (registration number 54224) at Perkins Coie LLP, in Seattle, WA. The registration is active on the current USPTO roster, and Karl L. Klassen has been listed on the roster since before May 2006.

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

Seattle, WA has 676 registered patent practitioners in all: 513 patent attorneys and 136 patent agents.

Other registered practitioners in Seattle, WA

• John E. Bradley — Patent agent, Reg. No. 42354, Lee & Hayes PLLC
• John W. Branch — Patent attorney, Reg. No. 41633, Branch Partners PLLC
• Juliene P. Britt — Patent agent, Reg. No. 63551, Perkins Cole LLP
• Amelia S. Brooks — Patent agent, Reg. No. 78601
• Robbie Ben Brown, Jr — Patent attorney, Reg. No. 47454, The Boeing Company
• Jenna L. Bruce — Patent attorney, Reg. No. 73892, K&L Gates LLP
• Kathleen J. Buckley — Patent attorney, Reg. No. 40539, Perkins Coie
• Edward W. Bulchis — Patent attorney, Reg. No. 26847, Dorsey & Whitney LLP

All patent attorneys and agents in Seattle, WA

Patent firms in Washington · Practitioners by state

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