Lex Mentis™Attorney Check

New York attorney · Reg. #3876265

Stefan Arnold Willemsen

Suspended (registry: Suspended, delinquent)

Current employer

Biomerieux S. A. · Marcy L'Etoile 69280 · since at least September 2026

Admission

Admitted 1999, Third Department

Flags

  • Suspended

Employment history

Compiled from NYS Office of Court Administration registration records, published NY Appellate Division decisions, and SEC orders against attorneys; current as of October 2026. Not an official record; verify with the NY Courts Attorney Search.