Registered patent attorney

William L MartinJr

USPTO Reg. 28442

Address

P.O. Box 1390

Ponca City, OK, 74602-1390

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about William L Martin

  • Is William L Martin a registered patent attorney?

    Yes. William L Martin is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 28442). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is William L Martin located?

    William L Martin's office is in Ponca City, Oklahoma (74602-1390).

  • How do I contact William L Martin?

    William L Martin's office phone (per the USPTO public roster) is 580-765-9915. 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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