Registered patent attorney

Philip Jeffrey Rosenthal

USPTO Reg. 42114

Firm

Fastcase.com, Inc.

Address

P.O. Box 26055

Alexandria, VA, 22313

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Alexandria, Virginia

Browse all Alexandria patent attorneys →

Frequently asked

Frequently asked about Philip Jeffrey Rosenthal

  • Is Philip Jeffrey Rosenthal a registered patent attorney?

    Yes. Philip Jeffrey Rosenthal is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 42114). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Philip Jeffrey Rosenthal located?

    Philip Jeffrey Rosenthal's office is in Alexandria, Virginia (22313). Affiliated with Fastcase.com, Inc..

  • What firm does Philip Jeffrey Rosenthal work at?

    Philip Jeffrey Rosenthal is listed as affiliated with Fastcase.com, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Philip Jeffrey Rosenthal?

    Philip Jeffrey Rosenthal's office phone (per the USPTO public roster) is 703-740-5923. 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 17:54 EDT