Registered patent attorney

David Lesht

USPTO Reg. 30472

Firm

Sperling Kenny Nachwalter, L.L.C.

Address

321 N. Clark Street

25th Floor

Chicago, IL, 60654

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Chicago, Illinois

Browse all Chicago patent attorneys →

Frequently asked

Frequently asked about David Lesht

  • Is David Lesht a registered patent attorney?

    Yes. David Lesht is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 30472). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David Lesht located?

    David Lesht's office is in Chicago, Illinois (60654). Affiliated with Sperling Kenny Nachwalter, L.L.C..

  • What firm does David Lesht work at?

    David Lesht is listed as affiliated with Sperling Kenny Nachwalter, L.L.C. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David Lesht?

    David Lesht's office phone (per the USPTO public roster) is 312-445-4949. 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 19:52 EDT