Registered patent attorney

Thomas E McDonnell

USPTO Reg. 26950

Firm

Thomas E. McDonnell, Esq.

Address

12219 Riverview Road

Ft. Washington, MD, 20744-6014

US

Phone

Registered as

Registered patent attorney

Frequently asked

Frequently asked about Thomas E McDonnell

  • Is Thomas E McDonnell a registered patent attorney?

    Yes. Thomas E McDonnell is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 26950). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Thomas E McDonnell located?

    Thomas E McDonnell's office is in Ft. Washington, Maryland (20744-6014). Affiliated with Thomas E. McDonnell, Esq..

  • What firm does Thomas E McDonnell work at?

    Thomas E McDonnell is listed as affiliated with Thomas E. McDonnell, Esq. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Thomas E McDonnell?

    Thomas E McDonnell's office phone (per the USPTO public roster) is 301-203-9596. 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