Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records

Steven J. Mandelsberg

Currently registered

Steven J. Mandelsberg is an attorney admitted to the New York State Bar in 1979, with a registered practice address in New York, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number1160977
Bar statusCurrently registered
Year admitted1979
Judicial departmentDepartment 2
Law schoolSt. John's University School of Law
Practice cityNew York, NY
CountyNew York
Firm / organizationThompson Coburn Llp
Office address488 Madison Ave, New York, NY, 10022
Phone(212) 478-7200
Next registration dueMay 2028

About Thompson Coburn LLP

Thompson Coburn LLP is an American law firm with offices in Chicago, Dallas, Los Angeles, New York, Southern Illinois, St. Louis, Birmingham, and Washington, D.C. Its primary office is at One US Bank Plaza in Saint Louis, Missouri. The firm presents itself as full-service and reports experience across more than 50 areas of law. It traces its origins to 1929 and took its current name in 1996 through a merger of two St. Louis firms. Its New York office was established in 2021 through a combination with Hahn & Hessen.

Practice areas of Thompson Coburn LLP:

Banking & Finance Bankruptcy & Restructuring Commercial Litigation Corporate & M&A Real Estate

These are the practice areas the organization describes on its website. They are not a statement about Steven J. Mandelsberg’s own practice or any specialty certification.

View the Thompson Coburn LLP profile and its 46 registered attorneys →

Office location

Registered office address on file with the New York State Bar. Verify before visiting, as the address reflects the contact on record and may be a firm rather than a personal office.

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Bar status can change at any time. For the authoritative, real-time status of Steven J. Mandelsberg, confirm directly through the official New York Attorney Search using the registration number above. This record is republished from public New York State data and is provided for reference only — it is not legal advice and not an endorsement.

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