Registered patent attorney

Spencer R Keller

USPTO Reg. 80680

Firm

Trust Tree Legal, P.C.

Professional Law Corporation

Address

798 Berry Rd., #41400

Nashville, TN, 37204

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Nashville, Tennessee

Browse all Nashville patent attorneys →

Frequently asked

Frequently asked about Spencer R Keller

  • Is Spencer R Keller a registered patent attorney?

    Yes. Spencer R Keller is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 80680). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Spencer R Keller located?

    Spencer R Keller's office is in Nashville, Tennessee (37204). Affiliated with Trust Tree Legal, P.C..

  • What firm does Spencer R Keller work at?

    Spencer R Keller is listed as affiliated with Trust Tree Legal, P.C. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Spencer R Keller?

    Spencer R Keller's office phone (per the USPTO public roster) is 928-405-0045. 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.

build 4315ed5 · 2026-05-22 16:20 EDT