Registered patent attorney

Marc S Cooperman

USPTO Reg. 34143

Firm

Banner & Witcoff, Ltd.

Address

71 S. Wacker Drive, Suite 3600

Chicago, IL, 60606

US

Phone

Registered as

Registered patent attorney

Other attorneys at Banner & Witcoff, Ltd.

Other patent attorneys in Chicago, Illinois

Browse all Chicago patent attorneys →

Frequently asked

Frequently asked about Marc S Cooperman

  • Is Marc S Cooperman a registered patent attorney?

    Yes. Marc S Cooperman is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 34143). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Marc S Cooperman located?

    Marc S Cooperman's office is in Chicago, Illinois (60606). Affiliated with Banner & Witcoff, Ltd..

  • What firm does Marc S Cooperman work at?

    Marc S Cooperman is listed as affiliated with Banner & Witcoff, Ltd. on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Marc S Cooperman?

    Marc S Cooperman's office phone (per the USPTO public roster) is 312-463-5000. 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 16:36 EDT