Registered patent agent

Usman A Khan

USPTO Reg. 70439

Firm

Fish & Richardson PC

The McPherson Building

Address

901 15th St NW

7th Floor

Washington, DC, 20005

US

Phone

Registered as

Registered patent agent

Other attorneys at Fish & Richardson PC

Other patent attorneys in Washington, District of Columbia

Browse all Washington patent attorneys →

Frequently asked

Frequently asked about Usman A Khan

  • Is Usman A Khan a registered patent attorney?

    Usman A Khan is a registered patent agent (USPTO Registration Number 70439). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Usman A Khan located?

    Usman A Khan's office is in Washington, District of Columbia (20005). Affiliated with Fish & Richardson PC.

  • What firm does Usman A Khan work at?

    Usman A Khan is listed as affiliated with Fish & Richardson PC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Usman A Khan?

    Usman A Khan's office phone (per the USPTO public roster) is 202-626-6383. 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 14:36 EDT