New York attorney · Reg. #2970986

Michael Patrick O'Brien

Registered (registry: Currently registered)

Current employer

Sheppard Mullin · Chicago, IL · since at least September 2026

Admission

Admitted 1999, Third Department · NORTHWESTERN UNIV

Employment history

• Sheppard Mullin · Chicago, IL · current

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.