Registered patent attorney

John Broadus Sowell

USPTO Reg. 19151

Firm

John B. Sowell, Attorney

Address

182 Midfield Road

Ardmore, PA, 19003

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Ardmore, Pennsylvania

Browse all Ardmore patent attorneys →

Frequently asked

Frequently asked about John Broadus Sowell

  • Is John Broadus Sowell a registered patent attorney?

    Yes. John Broadus Sowell is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 19151). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John Broadus Sowell located?

    John Broadus Sowell's office is in Ardmore, Pennsylvania (19003). Affiliated with John B. Sowell, Attorney.

  • What firm does John Broadus Sowell work at?

    John Broadus Sowell is listed as affiliated with John B. Sowell, Attorney on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John Broadus Sowell?

    John Broadus Sowell's office phone (per the USPTO public roster) is 610-649-4815. 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 16:01 EDT