Limited recognition

Sean Joseph Barnes

USPTO Reg. 902817

Firm

DePaul University College of Law

Address

25 East Jackson Boulevard

Chicago, IL, 60604

US

Phone

Registered as

Limited recognition

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Frequently asked

Frequently asked about Sean Joseph Barnes

  • Is Sean Joseph Barnes a registered patent attorney?

    Sean Joseph Barnes is registered with the United States Patent and Trademark Office under Registration Number 902817 as a USPTO-registered practitioner.

  • Where is Sean Joseph Barnes located?

    Sean Joseph Barnes's office is in Chicago, Illinois (60604). Affiliated with DePaul University College of Law.

  • What firm does Sean Joseph Barnes work at?

    Sean Joseph Barnes is listed as affiliated with DePaul University College of Law on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Sean Joseph Barnes?

    Sean Joseph Barnes's office phone (per the USPTO public roster) is --. 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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