Registered patent attorney

David L DeBruin

USPTO Reg. 35489

Firm

Honigman Miller Schwartz and Cohn LLP

Address

155 North Wacker Drive

Suite 3100

Chicago, IL, 60606-1734

US

Phone

Registered as

Registered patent attorney

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Frequently asked

Frequently asked about David L DeBruin

  • Is David L DeBruin a registered patent attorney?

    Yes. David L DeBruin is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 35489). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is David L DeBruin located?

    David L DeBruin's office is in Chicago, Illinois (60606-1734). Affiliated with Honigman Miller Schwartz and Cohn LLP.

  • What firm does David L DeBruin work at?

    David L DeBruin is listed as affiliated with Honigman Miller Schwartz and Cohn LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact David L DeBruin?

    David L DeBruin's office phone (per the USPTO public roster) is 312-701-9300. 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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