Registered patent attorney

Leo Charles DeSesso

USPTO Reg. 58003

Firm

Paul Hastings LLP

Address

200 Park Ave.

New York, NY, 10166

US

Phone

Registered as

Registered patent attorney

Other attorneys at Paul Hastings LLP

Other patent attorneys in New York, New York

Browse all New York patent attorneys →

Frequently asked

Frequently asked about Leo Charles DeSesso

  • Is Leo Charles DeSesso a registered patent attorney?

    Yes. Leo Charles DeSesso is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 58003). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Leo Charles DeSesso located?

    Leo Charles DeSesso's office is in New York, New York (10166). Affiliated with Paul Hastings LLP.

  • What firm does Leo Charles DeSesso work at?

    Leo Charles DeSesso is listed as affiliated with Paul Hastings LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Leo Charles DeSesso?

    Leo Charles DeSesso's office phone (per the USPTO public roster) is 212-318-6299. 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