Registered patent agent

Justin Cassell

USPTO Reg. 80977

Address

203 Mechanic St

Pontiac, MI, 48342

US

Phone

Registered as

Registered patent agent

Other patent attorneys in Pontiac, Michigan

Browse all Pontiac patent attorneys →

Frequently asked

Frequently asked about Justin Cassell

  • Is Justin Cassell a registered patent attorney?

    Justin Cassell is a registered patent agent (USPTO Registration Number 80977). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Justin Cassell located?

    Justin Cassell's office is in Pontiac, Michigan (48342).

  • How do I contact Justin Cassell?

    Justin Cassell's office phone (per the USPTO public roster) is 248-600-0026. 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 15:54 EDT