New York attorney record · Judicial Dept 1
Irving Louis Rotter
Columbia University alumna, admitted to the New York bar in 1982, registered office in Houston, TX. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1982
- Admitted
- 44
- Years in bar
- 1802792
- NY reg #
The record in one line
Irving Louis Rotter has spent 44 years on the register since admission in 1982, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 44 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #51 of 1,443
- by tenure in Houston office peers
- Law school
- Columbia University
Data updated September 2026
What this profile tells you
Bar status & tenure
Irving Louis Rotter has carried New York bar registration 1802792 for the better part of a career, still active and in 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 Sidley Austin LLP, located in Houston, TX, ZIP 77002. 5 other attorneys share this firm affiliation in the registry. Educational background: COLUMBIA UNIVERSITY.
State context & due diligence
Across a career spanning 44 years, Irving Louis Rotter has remained part of the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Irving Louis Rotter's 44 years since a 1982 admission places this record near the far edge of the statewide tenure curve below.
44 years on the New York bar
Years since admission, all currently-active NY attorneys
44 Top 14% higher than 86% 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 Houston, TX office peers
Irving Louis Rotter is earlier in the Houston, TX office cohort than most peers: local tenure rank #51 of 1,443 (3rd percentile). See the Houston attorney directory .
- Local rank
- #51
- City cohort
- 1,443
- Local percentile
- 3rd
- Admitted
- 1982
Nearest tenure peers in Houston
- Ana Arango admitted 1982 · 44 yr
- Lawrence Stephen Coben admitted 1982 · 44 yr
- Peter Anthony Delvecchio admitted 1982 · 44 yr
- Richard Alan Goldman admitted 1982 · 44 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 Irving compares to fellow Columbia University alumni
Among the 1,229 Columbia University graduates in the New York register, Irving Louis Rotter is longer-tenured than 99%.
44 years vs. Columbia University alumni
Years since admission - 1,229 NY-registered alumni of this school
44 Top 1% higher than 99% of 1,229 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
The 1982 admission class today
Of the 5,181 attorneys admitted to the New York bar in 1982, 52.7% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1802792
- Year Admitted
- 1982 (44 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Jun 2028
Location & Contact
- Company
- Sidley Austin LLP
- City
- Houston, TX
- ZIP Code
- 77002
- Phone
- (713) 495-4707
Education
COLUMBIA UNIVERSITY
Status Distribution Across the New York Bar
Irving Louis Rotter'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: Sidley Austin LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Columbia University alumni
Fellow alumni on the NY register whose admission year is closest to 1982 (excluding same-firm colleagues above).
Same admission year (1982), other cities
NY-registered attorneys admitted in 1982 whose listed office city differs from Houston, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Irving Louis Rotter: closest NY bar admission year outside TX, and closest out-of-state office cities by how many NY-registered attorneys they list (~1,444 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1982)
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 Houston, TX
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Compare attorneys →Before you rely on this record
Irving Louis Rotter'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 Irving Rotter licensed?
Irving Rotter is licensed to practice law in New York.
When was Irving Louis Rotter admitted to the bar?
Irving Louis Rotter's admission to the New York bar dates back to 1982.
Where did Irving Louis Rotter go to law school?
Irving Louis Rotter attended COLUMBIA UNIVERSITY.
What company does Irving Louis Rotter work for?
Irving Louis Rotter is associated with Sidley Austin LLP in Houston, TX.
Is Irving Louis Rotter in good standing?
Yes, Irving Louis Rotter 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.