Registered patent attorney

Justin R Donoho

USPTO Reg. 67322

Firm

Grippo & Elden

Address

111 S. Wacker Drive

Chicago, IL, 60606

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about Justin R Donoho

  • Is Justin R Donoho a registered patent attorney?

    Yes. Justin R Donoho is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 67322). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Justin R Donoho located?

    Justin R Donoho's office is in Chicago, Illinois (60606). Affiliated with Grippo & Elden.

  • What firm does Justin R Donoho work at?

    Justin R Donoho is listed as affiliated with Grippo & Elden on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Justin R Donoho?

    Justin R Donoho's office phone (per the USPTO public roster) is 312-704-7713. 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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