Registered patent agent

John D Harris

USPTO Reg. 39465

Firm

Gowling WLG (Canada) LLP

Address

160 Elgin Street

Ottawa, ON, K1P 1C3

CA

Phone

Registered as

Registered patent agent

Other attorneys at Gowling WLG (Canada) LLP

Other patent attorneys in Ottawa, ON

Browse all Ottawa patent attorneys →

Frequently asked

Frequently asked about John D Harris

  • Is John D Harris a registered patent attorney?

    John D Harris is a registered patent agent (USPTO Registration Number 39465). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is John D Harris located?

    John D Harris's office is in Ottawa, ON (K1P 1C3). Affiliated with Gowling WLG (Canada) LLP.

  • What firm does John D Harris work at?

    John D Harris is listed as affiliated with Gowling WLG (Canada) LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John D Harris?

    John D Harris's office phone (per the USPTO public roster) is 613-233-1781. 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.

build 4315ed5 · 2026-05-22 17:54 EDT