John Wittenzellner
Patent attorney, USPTO registration number 61662, status Active.
- Firm
- Williams Simons & Landis PLLC
- Location
- Philadelphia, PA
- On the USPTO roster since
- October 2009
John Wittenzellner is a USPTO-registered patent attorney (registration number 61662) at Williams Simons & Landis PLLC, in Philadelphia, PA. The registration is active on the current USPTO roster, and John Wittenzellner has been listed on the roster since October 2009.
Williams Simons & Landis PLLC has 2 registered patent practitioners on the roster (2 patent attorneys), so John Wittenzellner works alongside 1 other registered practitioner there.
Philadelphia, PA has 513 registered patent practitioners in all: 377 patent attorneys and 115 patent agents.
Other registered practitioners in Philadelphia, PA
- Domingos J. Silva — Patent attorney, Reg. No. 64197, Saul Ewing Arnstein & Lehr LLP
- Robert S. Silver — Patent attorney, Reg. No. 35681, Langer, Grogan and Diver, P.C.
- John F. Silvester — Patent attorney, Reg. No. 82015
- Benjamin N. Simler — Patent attorney, Reg. No. 80554, Ballard Spahr LLP
- Scott S. Simpkins — Patent attorney, Reg. No. 68488, BakerHostetler BakerHostetler
- Mark Douglas Simpson — Patent attorney, Reg. No. 32942, Saul Ewing Arnstein & Lehr LLP
- Cassius K. Sims — Patent attorney, Reg. No. 65822, Comcast
- Sara E. Sims — Patent agent, Reg. No. 75470, Morgan Lewis & Bockius LLP
All patent attorneys and agents in Philadelphia, PA
Patent firms in Pennsylvania · Practitioners by state
Is this you? Claim your free Wysebridge profile.