Registered patent attorney

Isaac R Clark

USPTO Reg. 54572

Firm

Crowell & Moring LLP

Address

1001 Pennsylvania Avenue, N.W.

Washington, DC, 20004-2595

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Isaac R Clark

  • Is Isaac R Clark a registered patent attorney?

    Yes. Isaac R Clark is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 54572). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Isaac R Clark located?

    Isaac R Clark's office is in Washington, District of Columbia (20004-2595). Affiliated with Crowell & Moring LLP.

  • What firm does Isaac R Clark work at?

    Isaac R Clark is listed as affiliated with Crowell & Moring LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Isaac R Clark?

    Isaac R Clark's office phone (per the USPTO public roster) is 202-624-2943. 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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