Registered patent attorney

Leonard Keen

USPTO Reg. 54211

Firm

Leonard Keen, P.A.

Address

4953 Sapphire Sound Drive

Wimauma, FL, 33598

US

Phone

Registered as

Registered patent attorney

Frequently asked

Frequently asked about Leonard Keen

  • Is Leonard Keen a registered patent attorney?

    Yes. Leonard Keen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 54211). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Leonard Keen located?

    Leonard Keen's office is in Wimauma, Florida (33598). Affiliated with Leonard Keen, P.A..

  • What firm does Leonard Keen work at?

    Leonard Keen is listed as affiliated with Leonard Keen, P.A. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Leonard Keen?

    Leonard Keen's office phone (per the USPTO public roster) is 813-922-6966. 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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