Registered patent agent
David J Johnson
Firm
Perry & Currier
Address
1300 Yonge Street
Suite 500
Toronto, ON, M4T 1X3
CA
Phone
Registered as
Registered patent agent
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 Johnson
Is David J Johnson a registered patent attorney?
David J Johnson is a registered patent agent (USPTO Registration Number 61009). 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 Johnson located?
David J Johnson's office is in Toronto, ON (M4T 1X3). Affiliated with Perry & Currier.
What firm does David J Johnson work at?
David J Johnson is listed as affiliated with Perry & Currier on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David J Johnson?
David J Johnson's office phone (per the USPTO public roster) is 416-920-8170 X 106. 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.