Registered patent attorney

John Will Ongman

USPTO Reg. 48535

Firm

Cardinal Crest Solutions

Address

P.O. Box 1528

Great Falls, VA, 22066

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about John Will Ongman

  • Is John Will Ongman a registered patent attorney?

    Yes. John Will Ongman is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 48535). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John Will Ongman located?

    John Will Ongman's office is in Great Falls, Virginia (22066). Affiliated with Cardinal Crest Solutions.

  • What firm does John Will Ongman work at?

    John Will Ongman is listed as affiliated with Cardinal Crest Solutions on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John Will Ongman?

    John Will Ongman's office phone (per the USPTO public roster) is 202-246-9516. 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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