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Grainne E. O'Neill, an attorney admitted in New York, works out of O Neill and Hassen, LLP's Brooklyn office.
Admitted to practice in New York in 2013 (Appellate Division, Second Department), O'Neill studied law at Columbia Law School. O'Neill's attorney registration (no. 5123187) is current, with the next renewal due Aug 2027.
O Neill and Hassen, LLP's address on record is 25 8th Ave Ste C, Brooklyn, NY 11217, phone (212) 203-1858.
O'Neill at a glance
- Profession
- Attorney (New York)
- Firm
- O Neill and Hassen, LLP
- Office
- 25 8th Ave Ste C, Brooklyn, NY 11217
- Phone
- (212) 203-1858
- Admitted to the NY bar
- 2013 — Appellate Division, Second Department
- Law school
- Columbia Law School
- Registration no.
- 5123187
- Registration status
- Currently registered (next due Aug 2027)
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Frequently Asked Questions
Grainne E. O'Neill is with O Neill and Hassen, LLP at 25 8th Ave Ste C, Brooklyn, NY 11217. Phone: (212) 203-1858.
In 2013, through the Appellate Division, Second Department.
Columbia Law School.
Yes. New York's attorney registry lists registration no. 5123187 as currently registered, with the next renewal due Aug 2027.
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