Registered patent attorney

Justin D G Brennan

USPTO Reg. 52650

Firm

ReSearch Pharmaceutical Services, Inc.

Address

520 Virginia Drive

Fort Washington, PA, 19034

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Fort Washington, Pennsylvania

Browse all Fort Washington patent attorneys →

Frequently asked

Frequently asked about Justin D G Brennan

  • Is Justin D G Brennan a registered patent attorney?

    Yes. Justin D G Brennan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 52650). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Justin D G Brennan located?

    Justin D G Brennan's office is in Fort Washington, Pennsylvania (19034). Affiliated with ReSearch Pharmaceutical Services, Inc..

  • What firm does Justin D G Brennan work at?

    Justin D G Brennan is listed as affiliated with ReSearch Pharmaceutical Services, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Justin D G Brennan?

    Justin D G Brennan's office phone (per the USPTO public roster) is 215-540-0700. 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 17:20 EDT