Registered patent attorney

D. Brent Lambert

USPTO Reg. 41925

Firm

Lexmark International, Inc.

Address

740 W New Circle Road

Lexington, KY, 40550

US

Phone

Registered as

Registered patent attorney

Other attorneys at Lexmark International, Inc.

Other patent attorneys in Lexington, Kentucky

Browse all Lexington patent attorneys →

Frequently asked

Frequently asked about D. Brent Lambert

  • Is D. Brent Lambert a registered patent attorney?

    Yes. D. Brent Lambert is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 41925). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is D. Brent Lambert located?

    D. Brent Lambert's office is in Lexington, Kentucky (40550). Affiliated with Lexmark International, Inc..

  • What firm does D. Brent Lambert work at?

    D. Brent Lambert is listed as affiliated with Lexmark International, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact D. Brent Lambert?

    D. Brent Lambert's office phone (per the USPTO public roster) is 859-232-7845. 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 15:21 EDT