Registered patent attorney

Barry Frederick Irwin

USPTO Reg. 36557

Firm

Irwin IP, LLC

Address

1333 Burr Ridge Parkway

Burr Ridge, IL, 60527

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Barry Frederick Irwin

  • Is Barry Frederick Irwin a registered patent attorney?

    Yes. Barry Frederick Irwin is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 36557). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Barry Frederick Irwin located?

    Barry Frederick Irwin's office is in Burr Ridge, Illinois (60527). Affiliated with Irwin IP, LLC.

  • What firm does Barry Frederick Irwin work at?

    Barry Frederick Irwin is listed as affiliated with Irwin IP, LLC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Barry Frederick Irwin?

    Barry Frederick Irwin's office phone (per the USPTO public roster) is 630-756-3101. 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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