Registered patent agent

Joseph Vincent Hajjar

USPTO Reg. 78094

Firm

Lerner David Littenberg Krumholz & Mentlik LLP

Address

20 Commerce Dr

Cranford, NJ, 07016

US

Phone

Registered as

Registered patent agent

Other attorneys at Lerner David Littenberg Krumholz & Mentlik LLP

Other patent attorneys in Cranford, New Jersey

Browse all Cranford patent attorneys →

Frequently asked

Frequently asked about Joseph Vincent Hajjar

  • Is Joseph Vincent Hajjar a registered patent attorney?

    Joseph Vincent Hajjar is a registered patent agent (USPTO Registration Number 78094). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Joseph Vincent Hajjar located?

    Joseph Vincent Hajjar's office is in Cranford, New Jersey (07016). Affiliated with Lerner David Littenberg Krumholz & Mentlik LLP.

  • What firm does Joseph Vincent Hajjar work at?

    Joseph Vincent Hajjar is listed as affiliated with Lerner David Littenberg Krumholz & Mentlik LLP on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Joseph Vincent Hajjar?

    Joseph Vincent Hajjar's office phone (per the USPTO public roster) is 908-518-6392. 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 15:14 EDT