Ruthie K. Sifuma
Limited recognition, USPTO registration number 902852, status Active.
- Firm
- University Of Pennsylvania Law School
- Location
- Philadelphia, PA
- On the USPTO roster since
- October 2025
Ruthie K. Sifuma is a USPTO-registered Limited recognition (registration number 902852) at University Of Pennsylvania Law School, in Philadelphia, PA. The registration is active on the current USPTO roster, and Ruthie K. Sifuma has been listed on the roster since October 2025.
University Of Pennsylvania Law School has 12 registered patent practitioners on the roster (1 patent agent), so Ruthie K. Sifuma works alongside 11 other registered practitioners there.
Philadelphia, PA has 513 registered patent practitioners in all: 377 patent attorneys and 115 patent agents.
Other registered practitioners in Philadelphia, PA
- Anthony D. Sierra — Patent attorney, Reg. No. 78688, Akin Gump Strauss & Feld, LLC Two Commerce Square
- 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
All patent attorneys and agents in Philadelphia, PA
Patent firms in Pennsylvania · Practitioners by state
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