New York attorney record · Judicial Dept 1
Peter Justin Brennan
Georgetown University alumna, admitted to the New York bar in 1987, registered office in Chicago, IL. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1987
- Admitted
- 39
- Years in bar
- 2166684
- NY reg #
The record in one line
With 39 years on the register since a 1987 admission, Peter Justin Brennan ranks among the New York bar's most senior active practitioners, longer-tenured than 79% of the currently-active bar.
- 39 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #131 of 2,245
- by tenure in Chicago office peers
- Law school
- Georgetown University
Data updated August 2026
What this profile tells you
Bar status & tenure
Registration 2166684 with the New York bar authority has long belonged to Peter Justin Brennan, a veteran practitioner still in active good standing. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
The attorney's registration lists a business address in Chicago, IL, ZIP 60654. Educational background: GEORGETOWN UNIVERSITY (2,588 registered alumni).
State context & due diligence
After 39 years on the register, Peter Justin Brennan still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match Peter Justin Brennan's 39 years since admission in 1987.
39 years on the New York bar
Years since admission, all currently-active NY attorneys
39 Top 21% higher than 79% of 290,787 active NY attorneys
Each bar is a band; taller bars hold more active NY attorneys. 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
Tenure among Chicago, IL office peers
Peter Justin Brennan is earlier in the Chicago, IL office cohort than most peers: local tenure rank #131 of 2,245 (6th percentile). See the Chicago attorney directory .
- Local rank
- #131
- City cohort
- 2,245
- Local percentile
- 6th
- Admitted
- 1987
Nearest tenure peers in Chicago
- Claudia Harri Allen admitted 1987 · 39 yr
- Marla G. Berger admitted 1987 · 39 yr
- Pamela E. Cash admitted 1987 · 39 yr
- Douglas A. Doetsch admitted 1987 · 39 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 Peter compares to fellow Georgetown University alumni
Among the 1,583 Georgetown University graduates in the New York register, Peter Justin Brennan is longer-tenured than 93%.
39 years vs. Georgetown University alumni
Years since admission - 1,583 NY-registered alumni of this school
39 Top 7% higher than 93% of 1,583 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
Georgetown University's active-bar rate
Of Georgetown University's 2,588 alumni in the New York register, 64.1% currently hold "Currently registered" status, below the statewide average.
The 1987 admission class today
Of the 5,948 attorneys admitted to the New York bar in 1987, 73.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2166684
- Year Admitted
- 1987 (39 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Dec 2027
Location & Contact
- City
- Chicago, IL
- ZIP Code
- 60654
- Phone
- (312) 923-2614
Education
Status Distribution Across the New York Bar
Peter Justin Brennan's current status, "Currently registered", places this attorney in 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.
Near-tenure Georgetown University alumni
Fellow alumni on the NY register whose admission year is closest to 1987 .
Same admission year (1987), other cities
NY-registered attorneys admitted in 1987 whose listed office city differs from Chicago, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Peter Justin Brennan: closest NY bar admission year outside IL, and closest out-of-state office cities by how many NY-registered attorneys they list (~2,246 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1987)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare attorneys →Before you rely on this record
Peter Justin Brennan's "Currently registered" listing confirms bar standing only, it is a registration fact to verify, not a verdict on quality or competence.
Frequently Asked Questions
Where is Peter Brennan licensed?
Peter Brennan is licensed to practice law in New York.
When was Peter Justin Brennan admitted to the bar?
Peter Justin Brennan's admission to the New York bar dates back to 1987.
Where did Peter Justin Brennan go to law school?
Peter Justin Brennan attended GEORGETOWN UNIVERSITY.
Is Peter Justin Brennan in good standing?
Yes, Peter Justin Brennan holds active bar status ("Currently registered").
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.