Registered patent attorney

Mark Darl Hilliard

USPTO Reg. 30463

Firm

UChicago Argonne, LLC

Operator of Argonne National Labratory

Address

9700 South Cass Avenue, Bldg 201

Argonne, IL, 60439-4832

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Argonne, Illinois

Browse all Argonne patent attorneys →

Frequently asked

Frequently asked about Mark Darl Hilliard

  • Is Mark Darl Hilliard a registered patent attorney?

    Yes. Mark Darl Hilliard is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 30463). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Mark Darl Hilliard located?

    Mark Darl Hilliard's office is in Argonne, Illinois (60439-4832). Affiliated with UChicago Argonne, LLC.

  • What firm does Mark Darl Hilliard work at?

    Mark Darl Hilliard is listed as affiliated with UChicago Argonne, LLC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Mark Darl Hilliard?

    Mark Darl Hilliard's office phone (per the USPTO public roster) is 630-252-9909. 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 16:26 EDT