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

Timothy Duffy Brennan

Currently registered

Timothy Duffy Brennan is an attorney admitted to the New York State Bar in 2013, 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 number5165709
Bar statusCurrently registered
Year admitted2013
Judicial departmentDepartment 3
Law schoolSeton Hall University School of Law
Practice cityNew York, NY
CountyNew York
Firm / organizationWolf Popper Llp
Office address570 Lexington Ave, New York, NY, 10022
Phone(212) 451-9616
Next registration dueJun 2027

About Wolf Popper LLP

Wolf Popper LLP is a litigation firm founded in 1945 that describes its work as advocacy for investors, consumers and businesses in complex individual and class action matters. Its stated focus areas include securities fraud, consumer fraud, corporate transactional and derivative litigation, and health care matters, with additional work in digital assets, environmental disputes and international commercial litigation and arbitration. The firm also provides attorney-led portfolio monitoring services for institutional investors.

Practice areas of Wolf Popper LLP:

Securities & Capital Markets Health Care Antitrust & Competition Environmental Corporate & M&A Commercial Litigation Arbitration & Mediation Privacy & Cybersecurity

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

View the Wolf Popper LLP profile and its 17 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 Timothy Duffy Brennan, 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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