Registered patent attorney

John A HarrelsonJr

USPTO Reg. 42637

Firm

Bake Hostetler

Address

2929 Arch St

Cira Centre, 12th Floor

Philadelphia, PA, 19104

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about John A Harrelson

  • Is John A Harrelson a registered patent attorney?

    Yes. John A Harrelson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 42637). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is John A Harrelson located?

    John A Harrelson's office is in Philadelphia, Pennsylvania (19104). Affiliated with Bake Hostetler.

  • What firm does John A Harrelson work at?

    John A Harrelson is listed as affiliated with Bake Hostetler on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact John A Harrelson?

    John A Harrelson's office phone (per the USPTO public roster) is 215-564-8366. 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.

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