New York attorney record · Judicial Dept 3
William Patrick O'Sullivan
Rutgers Law School-Newark alumna, admitted to the New York bar in 2007, registered office in Manchester, NH. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2007
- Admitted
- 19
- Years in bar
- 4527420
- NY reg #
The record in one line
William Patrick O'Sullivan appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 2007 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 19 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- #32 of 62
- by tenure in Manchester office peers
- Law school
- Rutgers Law School-Newark
Data updated August 2026
What this profile tells you
Bar status & tenure
William Patrick O'Sullivan is registered as bar number 4527420 with the New York bar authority, carrying a current status of "Due to reregister within 30 days of birthday", a routine periodic-renewal reminder, not discipline. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Sheehan Phinney Bass Green PA, located in Manchester, NH, ZIP 03101. 1 other attorney shares this firm affiliation in the registry. Educational background: RUTGERS LAW SCHOOL-NEWARK.
State context & due diligence
A "Due to reregister within 30 days of birthday" status falls outside the New York bar's active cohort for now. The breakdown below shows what share of the register that represents.
Tenure among Manchester, NH office peers
Against Manchester, NH's 62-attorney NY register cohort, William Patrick O'Sullivan lands at the 50th tenure percentile (rank #32). See the Manchester attorney directory .
- Local rank
- #32
- City cohort
- 62
- Local percentile
- 50th
- Admitted
- 2007
Nearest tenure peers in Manchester
- Katarina Goerke Barker admitted 2007 · 19 yr
- Nicole Schultz-Price admitted 2007 · 19 yr
- Scott Howard Harris admitted 2005 · 21 yr
- Michael Ralph Kuehn admitted 2009 · 17 yr
How local rank is computed
Rank uses years since NY-bar admission among non-deceased registry rows that list the same office city and state, a local placement, not a statewide claim. Source: NY Office of Court Administration Attorney Registration · as of August 2026. Derived local rank, not published upstream.
The 2007 admission class today
Of the 8,913 attorneys admitted to the New York bar in 2007, 87.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Due to reregister within 30 days of birthday
- Registration Number
- 4527420
- Year Admitted
- 2007 (19 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Dec 2025
Location & Contact
- Company
- Sheehan Phinney Bass Green PA
- City
- Manchester, NH
- ZIP Code
- 03101
- Phone
- (603) 627-8186
Education
RUTGERS LAW SCHOOL-NEWARK
Status Distribution Across the New York Bar
William Patrick O'Sullivan's current status, "Due to reregister within 30 days of birthday", places this record outside the 67.2% of the 432,625-attorney New York register currently marked active.
Full statewide breakdown & source note
Source: NY Office of Court Administration, Attorney Registrations. Status counts reflect the latest reporting cycle. Bar status confirms registration only; it does not imply competence, specialty fit, or freedom from complaints.
Same firm affiliation: Sheehan Phinney Bass Green PA
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
View all attorneys at this firm →Near-tenure Rutgers Law School-Newark alumni
Fellow alumni on the NY register whose admission year is closest to 2007 (excluding same-firm colleagues above).
Same admission year (2007), other cities
NY-registered attorneys admitted in 2007 whose listed office city differs from Manchester, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for William Patrick O'Sullivan: closest NY bar admission year outside NH, and closest out-of-state office cities by how many NY-registered attorneys they list (~63 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2007)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Manchester, NH
Compare credentials side-by-side
Compare William Patrick O'Sullivan with similar attorneys in Manchester.
Compare attorneys →Before you rely on this record
William Patrick O'Sullivan is currently listed as "Due to reregister within 30 days of birthday", treat that as a registration fact to confirm, not a verdict on quality.
Frequently Asked Questions
Where is William O'Sullivan licensed?
William O'Sullivan is licensed to practice law in New York.
When was William Patrick O'Sullivan admitted to the bar?
William Patrick O'Sullivan was admitted to the bar in 2007.
Where did William Patrick O'Sullivan go to law school?
William Patrick O'Sullivan attended RUTGERS LAW SCHOOL-NEWARK.
What company does William Patrick O'Sullivan work for?
William Patrick O'Sullivan is associated with Sheehan Phinney Bass Green PA in Manchester, NH.
Is William Patrick O'Sullivan in good standing?
Not currently, William Patrick O'Sullivan's listed status is "Due to reregister within 30 days of birthday", not active standing. Confirm current status with the state bar.
Cite this page & disclosure
Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.
Read our methodology - how this data is sourced, computed, and verified.