Registered patent attorney

Jonathan L Klein-Evans

USPTO Reg. 41119

Firm

Meso Scale Diagnostics,LLC

Address

9238 Gaither Road

Gaithersburg, MD, 20877

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Gaithersburg, Maryland

Browse all Gaithersburg patent attorneys →

Frequently asked

Frequently asked about Jonathan L Klein-Evans

  • Is Jonathan L Klein-Evans a registered patent attorney?

    Yes. Jonathan L Klein-Evans is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 41119). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Jonathan L Klein-Evans located?

    Jonathan L Klein-Evans's office is in Gaithersburg, Maryland (20877). Affiliated with Meso Scale Diagnostics,LLC.

  • What firm does Jonathan L Klein-Evans work at?

    Jonathan L Klein-Evans is listed as affiliated with Meso Scale Diagnostics,LLC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Jonathan L Klein-Evans?

    Jonathan L Klein-Evans's office phone (per the USPTO public roster) is 240-631-2522. 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 17:51 EDT