Registered patent agent

Joseph A.V. Pfannes

USPTO Reg. 74420

Address

13135 W Lisbon Rd

Brookfield, WI, 53005

US

Phone

Registered as

Registered patent agent

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Frequently asked

Frequently asked about Joseph A.V. Pfannes

  • Is Joseph A.V. Pfannes a registered patent attorney?

    Joseph A.V. Pfannes is a registered patent agent (USPTO Registration Number 74420). 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 A.V. Pfannes located?

    Joseph A.V. Pfannes's office is in Brookfield, Wisconsin (53005).

  • How do I contact Joseph A.V. Pfannes?

    Joseph A.V. Pfannes's office phone (per the USPTO public roster) is 414-882-3915. 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.

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