David Allen Ruston
Patent agent, USPTO registration number 34495, status Active.
- Firm
- Marks & Clerk Canada
- Location
- Toronto, ON
- On the USPTO roster since
- before May 2006
David Allen Ruston is a USPTO-registered patent agent (registration number 34495) at Marks & Clerk Canada, in Toronto, ON. The registration is active on the current USPTO roster, and David Allen Ruston has been listed on the roster since before May 2006.
Marks & Clerk Canada has 5 registered patent practitioners on the roster (5 patent agents), so David Allen Ruston works alongside 4 other registered practitioners there.
Toronto, ON has 230 registered patent practitioners in all: 7 patent attorneys and 223 patent agents.
Other registered practitioners in Toronto, ON
- Roland H. Joachim — Patent agent, Reg. No. 40353, Ridout and Maybee LLP
- David J. Johnson — Patent agent, Reg. No. 61009, Perry & Currier
- Raymond Jong — Patent agent, Reg. No. 66581, AB Sciex
- Jeffrey J. Kang — Patent agent, Reg. No. 72088, Norton Rose Fulbright Canada LLP
- Edward C. Kang — Patent agent, Reg. No. 82500, Rowand LLP
- Yoon Kang — Patent agent, Reg. No. 40386, Smart & Biggar
- Dolly Kao — Patent agent, Reg. No. 44451, Dolly Kao Professional Corporation
- Adrian M. Kaplan — Patent agent, Reg. No. 43396, Piasetzki Nenniger Kvas LLP
All patent attorneys and agents in Toronto, ON
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