Registered patent agent
David J Heller
Firm
Smart & Biggar LLP
Address
150 York Street
1100
Toronto, ON, M5H 3S5
CA
Phone
Registered as
Registered patent agent
Other attorneys at Smart & Biggar LLP
- Colin ClimieUSPTO Reg. 56036 · Toronto, ON
- Timothee B DoutriauxUSPTO Reg. 68579 · Ottawa, ON
- Lionel FishmanUSPTO Reg. 73068 · Ottawa, ON
- Steven B GarlandUSPTO Reg. 50003 · Ottawa, ON
- Philip D LapinUSPTO Reg. 44443 · Ottawa, ON
- Benjamin E MakUSPTO Reg. 62333 · Toronto, ON
- Brigide MattarUSPTO Reg. 51284 · Montreal, QC
- Thuy Huong NguyenUSPTO Reg. 47336 · Ottawa, ON
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 David J Heller
Is David J Heller a registered patent attorney?
David J Heller is a registered patent agent (USPTO Registration Number 43384). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is David J Heller located?
David J Heller's office is in Toronto, ON (M5H 3S5). Affiliated with Smart & Biggar LLP.
What firm does David J Heller work at?
David J Heller is listed as affiliated with Smart & Biggar LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David J Heller?
David J Heller's office phone (per the USPTO public roster) is 416-965-3505. 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.