Registered patent agent

Percy E. Griffin

USPTO Reg. 83493

Firm

McDonnell Boehnen Hulbert & Berghoff LLP

Address

300 South Wacker Drive

Suite 3200

Chicago, IL, 60606

US

Phone

Registered as

Registered patent agent

Other attorneys at McDonnell Boehnen Hulbert & Berghoff LLP

Other patent attorneys in Chicago, Illinois

Browse all Chicago patent attorneys →

Frequently asked

Frequently asked about Percy E. Griffin

  • Is Percy E. Griffin a registered patent attorney?

    Percy E. Griffin is a registered patent agent (USPTO Registration Number 83493). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Percy E. Griffin located?

    Percy E. Griffin's office is in Chicago, Illinois (60606). Affiliated with McDonnell Boehnen Hulbert & Berghoff LLP.

  • What firm does Percy E. Griffin work at?

    Percy E. Griffin is listed as affiliated with McDonnell Boehnen Hulbert & Berghoff LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Percy E. Griffin?

    Percy E. Griffin's office phone (per the USPTO public roster) is 312-913-3387. 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 19:46 EDT