Registered patent agent

John C Clark

USPTO Reg. 43552

Firm

Venable LLP

Address

575 7th Street, N.W.

Washington, DC, 20004

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about John C Clark

  • Is John C Clark a registered patent attorney?

    John C Clark is a registered patent agent (USPTO Registration Number 43552). 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 C Clark located?

    John C Clark's office is in Washington, District of Columbia (20004). Affiliated with Venable LLP.

  • What firm does John C Clark work at?

    John C Clark is listed as affiliated with Venable LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John C Clark?

    John C Clark's office phone (per the USPTO public roster) is 202-344-4049. 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.

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