Registered patent agent
James Duffy
Firm
Lavery, De Billy, LLP
Address
1 Place Ville Marie
Suite 4000
Montreal, QC, H3B 4M4
CA
Phone
Registered as
Registered patent agent
Other attorneys at Lavery, De Billy, LLP
- Gwendoline BruneauUSPTO Reg. 55916 · Montreal, QC
- Alain DumontUSPTO Reg. 65564 · Montreal, QC
- Julie GauvreauUSPTO Reg. 52532 · Montreal, QC
- Gonzalo LavinUSPTO Reg. 52529 · Montreal, QC
- Hugh E MansfieldUSPTO Reg. 55757 · Montreal, QC
- Beatrice T. NgatchaUSPTO Reg. 60930 · Montreal, QC
- Isabelle PelletierUSPTO Reg. 63211 · Montreal, QC
- Sarkis Serge ShahinianUSPTO Reg. 52533 · Montreal, QC
Other patent attorneys in Montreal, QC
- Alexandre AbecassisFasken Martineau DuMoulin LLP
- Pierre T Angers-NguyenNorton Rose Fulbright Canada LLP
- James AnglehartAnglehart et al.
- Sarah AssadianRobic IP Agency LP
- Andreanne AugerBCF LLP
- Todd D BaileySCALE AI - Canadian Artificial Intelligence Supercluster
- Demian BarbasNorton Rose Fulbright Canada
- Nancy BarriaultROBIC L.L.P.
Frequently asked
Frequently asked about James Duffy
Is James Duffy a registered patent attorney?
James Duffy is a registered patent agent (USPTO Registration Number 77936). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is James Duffy located?
James Duffy's office is in Montreal, QC (H3B 4M4). Affiliated with Lavery, De Billy, LLP.
What firm does James Duffy work at?
James Duffy is listed as affiliated with Lavery, De Billy, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact James Duffy?
James Duffy's office phone (per the USPTO public roster) is 514-397-7613. 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.