Registered patent attorney

Matthew L Madsen

USPTO Reg. 45594

Firm

Mars, Incorporated

Address

800 High Street

Hackettstown, NJ, 07840

US

Phone

Registered as

Registered patent attorney

Other attorneys at Mars, Incorporated

Other patent attorneys in Hackettstown, New Jersey

Browse all Hackettstown patent attorneys →

Frequently asked

Frequently asked about Matthew L Madsen

  • Is Matthew L Madsen a registered patent attorney?

    Yes. Matthew L Madsen is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 45594). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Matthew L Madsen located?

    Matthew L Madsen's office is in Hackettstown, New Jersey (07840). Affiliated with Mars, Incorporated.

  • What firm does Matthew L Madsen work at?

    Matthew L Madsen is listed as affiliated with Mars, Incorporated on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Matthew L Madsen?

    Matthew L Madsen's office phone (per the USPTO public roster) is 636-386-7978. 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 17:19 EDT