New York attorney record · Judicial Dept 1
Peter Harold Lieberman
Harvard Law School alumna, admitted to the New York bar in 1989, registered office in Chicago, IL. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1989
- Admitted
- 37
- Years in bar
- 2293959
- NY reg #
The record in one line
With 37 years on the register since a 1989 admission, Peter Harold Lieberman ranks among the New York bar's most senior active practitioners, longer-tenured than 79% of the currently-active bar.
- 37 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #157 of 2,245
- by tenure in Chicago office peers
- Law school
- Harvard Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Registration 2293959 with the New York bar authority has long belonged to Peter Harold Lieberman, 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
Practice address is listed under Greenberg Traurig, LLP, located in Chicago, IL, ZIP 60607. 5 other attorneys share this firm affiliation in the registry. Educational background: Harvard Law School (16,712 registered alumni).
State context & due diligence
After 37 years on the register, Peter Harold Lieberman 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 Harold Lieberman's 37 years since admission in 1989.
37 years on the New York bar
Years since admission, all currently-active NY attorneys
37 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 · September 2026
Tenure among Chicago, IL office peers
Peter Harold Lieberman is earlier in the Chicago, IL office cohort than most peers: local tenure rank #157 of 2,245 (7th percentile). See the Chicago attorney directory .
- Local rank
- #157
- City cohort
- 2,245
- Local percentile
- 7th
- Admitted
- 1989
Nearest tenure peers in Chicago
- Ben Barnow admitted 1989 · 37 yr
- Peter Benjamin Bensinger Jr admitted 1989 · 37 yr
- Norman Christopher Butler admitted 1989 · 37 yr
- Douglas Frank Curtis admitted 1989 · 37 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 September 2026. Derived local rank, not published upstream.
How Peter compares to fellow Harvard Law School alumni
Among the 8,724 Harvard Law School graduates in the New York register, Peter Harold Lieberman is longer-tenured than 99%.
37 years vs. Harvard Law School alumni
Years since admission - 8,724 NY-registered alumni of this school
37 Top 1% higher than 99% of 8,724 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 · September 2026
Harvard Law School's active-bar rate
Of Harvard Law School's 16,712 alumni in the New York register, 63.6% currently hold "Currently registered" status, below the statewide average.
The 1989 admission class today
Of the 6,247 attorneys admitted to the New York bar in 1989, 73.2% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2293959
- Year Admitted
- 1989 (37 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- May 2027
Location & Contact
- Company
- Greenberg Traurig, LLP
- City
- Chicago, IL
- ZIP Code
- 60607
- Phone
- (312) 456-8417
Education
Status Distribution Across the New York Bar
Peter Harold Lieberman'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.
Same firm affiliation: Greenberg Traurig, LLP
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 1989 (excluding same-firm colleagues above).
Same admission year (1989), other cities
NY-registered attorneys admitted in 1989 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 Harold Lieberman: 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 (~1989)
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 Harold Lieberman'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 Lieberman licensed?
Peter Lieberman is licensed to practice law in New York.
When was Peter Harold Lieberman admitted to the bar?
Peter Harold Lieberman's admission to the New York bar dates back to 1989.
Where did Peter Harold Lieberman go to law school?
Peter Harold Lieberman attended Harvard Law School.
What company does Peter Harold Lieberman work for?
Peter Harold Lieberman is associated with Greenberg Traurig, LLP in Chicago, IL.
Is Peter Harold Lieberman in good standing?
Yes, Peter Harold Lieberman 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.