Registered patent agent

Mari J. Sanchez

USPTO Reg. 73942

Firm

Keisen Associates

Address

8 Penn Center, Suite 1300

1628 John F. Kennedy Blvd.

Philadelphia, PA, 19103

US

Phone

Registered as

Registered patent agent

Other patent attorneys in Philadelphia, Pennsylvania

Browse all Philadelphia patent attorneys →

Frequently asked

Frequently asked about Mari J. Sanchez

  • Is Mari J. Sanchez a registered patent attorney?

    Mari J. Sanchez is a registered patent agent (USPTO Registration Number 73942). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is Mari J. Sanchez located?

    Mari J. Sanchez's office is in Philadelphia, Pennsylvania (19103). Affiliated with Keisen Associates.

  • What firm does Mari J. Sanchez work at?

    Mari J. Sanchez is listed as affiliated with Keisen Associates on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Mari J. Sanchez?

    Mari J. Sanchez's office phone (per the USPTO public roster) is 215-701-6349. 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 20:45 EDT