Registered patent attorney

H Robert Field

USPTO Reg. 41745

Firm

Conwell Law LLC

Address

2411 Crofton Lane, Suite 2A

Crofton, MD, 21114-1337

US

Phone

Registered as

Registered patent attorney

Other patent attorneys in Crofton, Maryland

Browse all Crofton patent attorneys →

Frequently asked

Frequently asked about H Robert Field

  • Is H Robert Field a registered patent attorney?

    Yes. H Robert Field is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 41745). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is H Robert Field located?

    H Robert Field's office is in Crofton, Maryland (21114-1337). Affiliated with Conwell Law LLC.

  • What firm does H Robert Field work at?

    H Robert Field is listed as affiliated with Conwell Law LLC on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact H Robert Field?

    H Robert Field's office phone (per the USPTO public roster) is 410-451-2707. 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 17:09 EDT