Brian Joseph O'Sullivan
Currently registeredBrian Joseph O'Sullivan is an attorney admitted to the New York State Bar in 1991, 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 number | 2403897 |
|---|---|
| Bar status | Currently registered |
| Year admitted | 1991 |
| Judicial department | Department 2 |
| Law school | Fordham |
| Practice city | New York, NY |
| County | New York |
| Firm / organization | Husch Blackwell |
| Office address | 104 W 40Th St Rm 400, New York, NY, 10018 |
| Phone | (202) 378-5851 |
| Next registration due | Jun 2027 |
About Husch Blackwell
Husch Blackwell LLP is a full-service litigation and business law firm that describes itself as having more than 20 offices across the United States, including a virtual office called The Link. The firm says it organizes its lawyers around client industries, with energy, financial services, healthcare, real estate and technology among the sectors it names. Its history traces to a 2008 merger between St. Louis-based Husch & Eppenberger and Kansas City-based Blackwell Sanders.
View the Husch Blackwell profile and its 16 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 Brian Joseph O'Sullivan, 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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