New York attorney record · Judicial Dept 1
Thomas Joseph Brennan
Harvard Law School alumna, admitted to the New York bar in 2002, registered office in Cambridge, MA. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2002
- Admitted
- 24
- Years in bar
- 4026522
- NY reg #
The record in one line
Thomas Joseph Brennan appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 2002 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 24 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- #89 of 332
- by tenure in Cambridge office peers
- Law school
- Harvard Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Thomas Joseph Brennan is registered as bar number 4026522 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 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Harvard Law School, located in Cambridge, MA, ZIP 02138. 5 other attorneys share this firm affiliation in the registry. Educational background: HARVARD LAW SCHOOL (9,205 registered alumni).
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 Cambridge, MA office peers
Most of the 332 NY-registered attorneys in Cambridge, MA outrank Thomas Joseph Brennan on tenure; this record sits at the 27th local percentile (rank #89). See the Cambridge attorney directory .
- Local rank
- #89
- City cohort
- 332
- Local percentile
- 27th
- Admitted
- 2002
Nearest tenure peers in Cambridge
- Karen Bekker admitted 2002 · 24 yr
- Tomiko Brown-Nagin admitted 2002 · 24 yr
- Ethan Ingalls Davis admitted 2002 · 24 yr
- Eileen E. Falvey admitted 2002 · 24 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.
How Thomas compares to fellow Harvard Law School alumni
Among the 3,384 Harvard Law School graduates in the New York register, Thomas Joseph Brennan is longer-tenured than 26%.
24 years vs. Harvard Law School alumni
Years since admission - 3,384 NY-registered alumni of this school
24 Top 74% higher than 26% of 3,384 fellow alumni
Each bar is a band; taller bars hold more fellow alumni. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · August 2026
Harvard Law School's active-bar rate
Of Harvard Law School's 9,205 alumni in the New York register, 74.8% currently hold "Currently registered" status, above the statewide average.
The 2002 admission class today
Of the 7,981 attorneys admitted to the New York bar in 2002, 64.4% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Due to reregister within 30 days of birthday
- Registration Number
- 4026522
- Year Admitted
- 2002 (24 yrs · senior)
- Judicial Department
- 1
- Next Registration
- Sep 2026
Location & Contact
- Company
- Harvard Law School
- City
- Cambridge, MA
- ZIP Code
- 02138
- Phone
- (617) 495-3141
Education
Status Distribution Across the New York Bar
Thomas Joseph Brennan'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: Harvard Law School
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Harvard Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2002 (excluding same-firm colleagues above).
Same admission year (2002), other cities
NY-registered attorneys admitted in 2002 whose listed office city differs from Cambridge, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Thomas Joseph Brennan: closest NY bar admission year outside MA, and closest out-of-state office cities by how many NY-registered attorneys they list (~333 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2002)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
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Compare attorneys →Before you rely on this record
Thomas Joseph Brennan 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 Thomas Brennan licensed?
Thomas Brennan is licensed to practice law in New York.
When was Thomas Joseph Brennan admitted to the bar?
Thomas Joseph Brennan was admitted to the bar in 2002.
Where did Thomas Joseph Brennan go to law school?
Thomas Joseph Brennan attended HARVARD LAW SCHOOL.
What company does Thomas Joseph Brennan work for?
Thomas Joseph Brennan is associated with Harvard Law School in Cambridge, MA.
Is Thomas Joseph Brennan in good standing?
Not currently, Thomas Joseph Brennan'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.