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

John Patrick O'Brien

Currently registered

John Patrick O'Brien is an attorney admitted to the New York State Bar in 2009, with a registered practice address in White Plains, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number4753356
Bar statusCurrently registered
Year admitted2009
Judicial departmentDepartment 1
Law schoolUniversity of Connecticut School of Law
Practice cityWhite Plains, NY
CountyWestchester
Firm / organizationBerlandi Nussbaum & Reitzas Llp
Office address445 Hamilton Ave Fl 14, White Plains, NY, 10601
Phone(212) 804-6329
Next registration dueOct 2027

About Berlandi Nussbaum & Reitzas LLP

Berlandi Nussbaum & Reitzas LLP is a law firm that describes its services as corporate, real estate, and litigation work. Its website frames the practice around litigation, corporate transactions and property matters. Listed specialties include mergers and acquisitions, commercial transactions, intellectual property, healthcare, tax, and trusts and estates. Banking and finance, media and entertainment, venture capital and private equity, and alternative dispute resolution, including arbitrator and mediator services, also appear among its listed areas.

Practice areas of Berlandi Nussbaum & Reitzas LLP:

Corporate & M&A Real Estate Commercial Litigation Intellectual Property Health Care Tax Banking & Finance Trusts & Estates Entertainment & Media Arbitration & Mediation

These are the practice areas the organization describes on its website. They are not a statement about John Patrick O'Brien’s own practice or any specialty certification.

View the Berlandi Nussbaum & Reitzas LLP profile and its 6 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 John Patrick O'Brien, 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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