Registered patent agent

Mitchell B Charness

USPTO Reg. 46416

Firm

Ridout & Maybee, LLP

Address

11 Holland Ave

Suite 601

Ottawa, ON, K1Y 4S1

CA

Phone

Registered as

Registered patent agent

Other patent attorneys in Ottawa, ON

Browse all Ottawa patent attorneys →

Frequently asked

Frequently asked about Mitchell B Charness

  • Is Mitchell B Charness a registered patent attorney?

    Mitchell B Charness is a registered patent agent (USPTO Registration Number 46416). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Mitchell B Charness located?

    Mitchell B Charness's office is in Ottawa, ON (K1Y 4S1). Affiliated with Ridout & Maybee, LLP.

  • What firm does Mitchell B Charness work at?

    Mitchell B Charness is listed as affiliated with Ridout & Maybee, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Mitchell B Charness?

    Mitchell B Charness's office phone (per the USPTO public roster) is 613-236-1995. 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 19:52 EDT