Registered patent agent

William R McCarthyIII

USPTO Reg. 55788

Firm

ThermoFisher Scientific

Address

2 Radclif Road

Tewksbury, MA, 01876

US

Phone

Registered as

Registered patent agent

Other patent attorneys in Tewksbury, Massachusetts

Browse all Tewksbury patent attorneys →

Frequently asked

Frequently asked about William R McCarthy

  • Is William R McCarthy a registered patent attorney?

    William R McCarthy is a registered patent agent (USPTO Registration Number 55788). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.

  • Where is William R McCarthy located?

    William R McCarthy's office is in Tewksbury, Massachusetts (01876). Affiliated with ThermoFisher Scientific.

  • What firm does William R McCarthy work at?

    William R McCarthy is listed as affiliated with ThermoFisher Scientific on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact William R McCarthy?

    William R McCarthy's office phone (per the USPTO public roster) is 781-287-4960. 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 17:04 EDT