Registered patent attorney

Charles Michael Marmelstein

USPTO Reg. 25895

Firm

Arent Fox LLP

Address

1717 K Street, NW

Washington, DC, 20036-5344

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Charles Michael Marmelstein

  • Is Charles Michael Marmelstein a registered patent attorney?

    Yes. Charles Michael Marmelstein is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 25895). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Charles Michael Marmelstein located?

    Charles Michael Marmelstein's office is in Washington, District of Columbia (20036-5344). Affiliated with Arent Fox LLP.

  • What firm does Charles Michael Marmelstein work at?

    Charles Michael Marmelstein is listed as affiliated with Arent Fox LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Charles Michael Marmelstein?

    Charles Michael Marmelstein's office phone (per the USPTO public roster) is 202-857-6000. 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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