Shawni M. Van Vessem
Patent agent, USPTO registration number 83875, status Active.
- Firm
- Klarquist Sparkman LLP
- Location
- Portland, OR
- On the USPTO roster since
- August 2025
Shawni M. Van Vessem is a USPTO-registered patent agent (registration number 83875) at Klarquist Sparkman LLP, in Portland, OR. The registration is active on the current USPTO roster, and Shawni M. Van Vessem has been listed on the roster since August 2025.
Klarquist Sparkman LLP has 59 registered patent practitioners on the roster (44 patent attorneys and 14 patent agents), so Shawni M. Van Vessem 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
- Patrick Hamo — Patent agent, Reg. No. 81500
- Alexander R. Harry — Patent agent, Reg. No. 73113, Lane Powell PC
- Donald B. Haslett — Patent attorney, Reg. No. 28855, Chernoff Vilhauer McClung & Stenzel LLP
- Mckenzie G. Heath — Limited recognition, Reg. No. 903152, Lewis & Clark Law School
- Rowena M. Held — Patent agent, Reg. No. 80484, Kolisch Hartwell P.C.
- Scott B. Herner — Patent agent, Reg. No. 72605
- Peter Elliott Heuser — Patent attorney, Reg. No. 27902, Schwabe Williamson & Wyatt PC
- Joseph T. Hill — Patent attorney, Reg. No. 81439
All patent attorneys and agents in Portland, OR
Patent firms in Oregon · Practitioners by state
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