Registered patent agent
Dan Keller
Firm
Piasetzki Nenniger Kvas LLP
Address
10 King Street East
Suite 900
Toronto, ON, M5C 1C3
CA
Phone
Registered as
Registered patent agent
Other attorneys at Piasetzki Nenniger Kvas LLP
Other patent attorneys in Toronto, ON
- Michael John Anthony AdamsRiches, McKenzie & Herbert LLP
- Kazim AghaAird & McBurney LP
- Nicholas A. AitkenSmart & Biggar LP
- MaryAnne ArnoldoTorys LLP
- David K. BaileyMiller Thomson LLP
- Robert J. A. BakerSmart & Biggar LP
- Denver T. J. BandstraTorys LLP
- John M. BannisterBrunet & Co.
Frequently asked
Frequently asked about Dan Keller
Is Dan Keller a registered patent attorney?
Dan Keller is a registered patent agent (USPTO Registration Number 64027). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Dan Keller located?
Dan Keller's office is in Toronto, ON (M5C 1C3). Affiliated with Piasetzki Nenniger Kvas LLP.
What firm does Dan Keller work at?
Dan Keller is listed as affiliated with Piasetzki Nenniger Kvas LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Dan Keller?
Dan Keller's office phone (per the USPTO public roster) is 416-955-0050. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.