Registered patent attorney

Gary R Gillen

USPTO Reg. 35157

Firm

Klintworth & Rozenblat IP LLP

Address

2045 W Grand Ave STE B

PMB 84396

Chicago, IL, 60612-1577

US

Phone

Registered as

Registered patent attorney

Other attorneys at Klintworth & Rozenblat IP LLP

Other patent attorneys in Chicago, Illinois

Browse all Chicago patent attorneys →

Frequently asked

Frequently asked about Gary R Gillen

  • Is Gary R Gillen a registered patent attorney?

    Yes. Gary R Gillen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 35157). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Gary R Gillen located?

    Gary R Gillen's office is in Chicago, Illinois (60612-1577). Affiliated with Klintworth & Rozenblat IP LLP.

  • What firm does Gary R Gillen work at?

    Gary R Gillen is listed as affiliated with Klintworth & Rozenblat IP LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Gary R Gillen?

    Gary R Gillen's office phone (per the USPTO public roster) is 630-286-7624. 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 15:55 EDT