Registered patent attorney

Kenneth J Kalafus

USPTO Reg. 66175

Firm

Boehringer Ingelheim USA Corporation

Address

900 Ridgebury Rd.

Ridgefield, CT, 06877

US

Phone

Registered as

Registered patent attorney

Other attorneys at Boehringer Ingelheim USA Corporation

Other patent attorneys in Ridgefield, Connecticut

Browse all Ridgefield patent attorneys →

Frequently asked

Frequently asked about Kenneth J Kalafus

  • Is Kenneth J Kalafus a registered patent attorney?

    Yes. Kenneth J Kalafus is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 66175). Registration is verified against the USPTO Office of Enrollment and Discipline roster.

  • Where is Kenneth J Kalafus located?

    Kenneth J Kalafus's office is in Ridgefield, Connecticut (06877). Affiliated with Boehringer Ingelheim USA Corporation.

  • What firm does Kenneth J Kalafus work at?

    Kenneth J Kalafus is listed as affiliated with Boehringer Ingelheim USA Corporation on the USPTO Office of Enrollment and Discipline practitioner roster.

  • How do I contact Kenneth J Kalafus?

    Kenneth J Kalafus's office phone (per the USPTO public roster) is 203-798-9988. 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 15:30 EDT