New York attorney record · Judicial Dept 2
Ian Louis Cohen
University Of Chicago Law School alumna, admitted to the New York bar in 2018, registered office in New York, NY. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2018
- Admitted
- 8
- Years in bar
- 5572904
- NY reg #
The record in one line
Admitted in 2018, Ian Louis Cohen has built 8 years of active New York practice - more tenure than 13% of the state's currently-active attorneys.
- 8 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #67748 of 93,608
- by tenure in New York office peers
- Law school
- University Of Chicago Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Bar number 5572904 on the New York register belongs to Ian Louis Cohen, currently in active standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Simpson Thacher & Bartlett LLP, located in New York, NY (New York County), ZIP 10017. 5 other attorneys share this firm affiliation in the registry. Educational background: University of Chicago Law School (1,443 registered alumni).
State context & due diligence
Ian Louis Cohen is currently part of the New York bar's active cohort, a group the breakdown below sizes against the full register.
Experience vs. the active New York bar
8 years into an active New York practice since a 2018 admission, Ian Louis Cohen sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
8 years on the New York bar
Years since admission, all currently-active NY attorneys
8 Top 87% higher than 13% 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 New York, NY office peers
Ian Louis Cohen's 8-year NY register tenure places mid-pack in New York, NY: rank #67,748 of 93,608 office peers (72nd percentile). See the New York attorney directory .
- Local rank
- #67,748
- City cohort
- 93,608
- Local percentile
- 72nd
- Admitted
- 2018
Nearest tenure peers in New York
- Leah F. Aaronson admitted 2018 · 8 yr
- Danielle Brooke Abada admitted 2018 · 8 yr
- Waleed Tareef Abbasi admitted 2018 · 8 yr
- Susi Kristin Abdelmalek admitted 2018 · 8 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 Ian compares to fellow University Of Chicago Law School alumni
Among the 1,261 University Of Chicago Law School graduates in the New York register, Ian Louis Cohen is longer-tenured than 29%.
8 years vs. University Of Chicago Law School alumni
Years since admission - 1,261 NY-registered alumni of this school
8 Top 71% higher than 29% of 1,261 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
University Of Chicago Law School's active-bar rate
Of University Of Chicago Law School's 1,443 alumni in the New York register, 85.7% currently hold "Currently registered" status, above the statewide average.
The 2018 admission class today
Of the 8,750 attorneys admitted to the New York bar in 2018, 73.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5572904
- Year Admitted
- 2018 (8 yrs · mid-career)
- Judicial Department
- 2
- Next Registration
- Jan 2028
Location & Contact
- Company
- Simpson Thacher & Bartlett LLP
- City
- New York, NY
- County
- New York
- ZIP Code
- 10017
- Phone
- (347) 623-2709
Education
Status Distribution Across the New York Bar
Ian Louis Cohen'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: Simpson Thacher & Bartlett LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure University Of Chicago Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2018 (excluding same-firm colleagues above).
Same admission year (2018), other cities
NY-registered attorneys admitted in 2018 whose listed office city differs from New York, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Ian Louis Cohen: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~93,609 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2018)
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
Ian Louis Cohen'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 Ian Cohen licensed?
Ian Cohen is licensed to practice law in New York.
When was Ian Louis Cohen admitted to the bar?
Ian Louis Cohen has been on the New York bar register since 2018.
Where did Ian Louis Cohen go to law school?
Ian Louis Cohen attended University of Chicago Law School.
What company does Ian Louis Cohen work for?
Ian Louis Cohen is associated with Simpson Thacher & Bartlett LLP in New York, NY.
Is Ian Louis Cohen in good standing?
Yes, Ian Louis Cohen 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.