Registered patent agent

Luke J. Sisto

USPTO Reg. 83191

Firm

Marshall, Gerstein and Borun LLP

Address

233 S Wacker Dr

#6300

Chicago, IL, 60606

US

Phone

Registered as

Registered patent agent

Other attorneys at Marshall, Gerstein and Borun LLP

Other patent attorneys in Chicago, Illinois

Browse all Chicago patent attorneys →

Frequently asked

Frequently asked about Luke J. Sisto

  • Is Luke J. Sisto a registered patent attorney?

    Luke J. Sisto is a registered patent agent (USPTO Registration Number 83191). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Luke J. Sisto located?

    Luke J. Sisto's office is in Chicago, Illinois (60606). Affiliated with Marshall, Gerstein and Borun LLP.

  • What firm does Luke J. Sisto work at?

    Luke J. Sisto is listed as affiliated with Marshall, Gerstein and Borun LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Luke J. Sisto?

    Luke J. Sisto's office phone (per the USPTO public roster) is 312-423-3448. 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 19:52 EDT