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

Marcanthony Bonanno

Currently registered

Marcanthony Bonanno is an attorney admitted to the New York State Bar in 2021, 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 number5884697
Bar statusCurrently registered
Year admitted2021
Judicial departmentDepartment 1
Law schoolQuinnipiac University School of Law
Practice cityNew York, NY
CountyNew York
Firm / organizationSeiden Law
Office address322 8Th Ave Fl 1200, New York, NY, 10001
Phone(860) 805-9439
Next registration dueJul 2027

About Seiden Law LLP

Seiden Law LLP is a New York litigation firm that describes itself as a boutique practice. Its website describes the firm's lawyers as former prosecutors, former large-firm and government lawyers, and experienced investigators. Chambers says the firm represents companies, funds, sovereign entities, high-net-worth individuals, creditors and debtors, and that it was founded by a former Manhattan prosecutor.

Practice areas of Seiden Law LLP:

Commercial Litigation Arbitration & Mediation White Collar & Investigations Government & Regulatory

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

View the Seiden Law LLP profile and its 14 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 Marcanthony Bonanno, 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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