New York attorney record · Judicial Dept 1
Katherine S Rooney
Columbia Law School alumna, admitted to the New York bar in 2020, registered office in New York, NY. Status, address, and registration history come straight from the NY Office of Court Administration registry.
- 2020
- Admitted
- 6
- Years in bar
- 5822911
- NY reg #
The record in one line
Admitted in 2020, Katherine S Rooney has built 6 years of active New York practice - more tenure than 12% of the state's currently-active attorneys.
- 6 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 88%
- by tenure among active NY attorneys
- Law school
- Columbia Law School
What this profile tells you
Bar status & tenure
Katherine S Rooney is registered as bar number 5822911 with the New York bar authority, carrying a current status of "Currently registered", authorized to practice 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 Debevoise & Plimpton LLP, located in New York, NY (New York County), ZIP 10001. 5 other attorneys share this firm affiliation in the registry. Educational background: Columbia Law School (21,447 registered alumni).
State context & due diligence
Katherine S Rooney sits within the New York bar's active cohort, see the full statewide status breakdown below for how that cohort compares to the rest of the register.
Experience vs. the active New York bar
6 years into an active New York practice since a 2020 admission, Katherine S Rooney sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
6 years on the New York bar
Years since admission, all currently-active NY attorneys
6 Top 88% higher than 12% of 284,296 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 · May 2026
How Katherine compares to fellow Columbia Law School alumni
Among the 11,886 Columbia Law School graduates in the New York register, Katherine S Rooney is longer-tenured than 17% - a school-cohort view of experience, alongside the statewide one above.
6 years vs. Columbia Law School alumni
Years since admission - 11,886 NY-registered alumni of this school
6 Top 83% higher than 17% of 11,886 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 · May 2026
Columbia Law School's active-bar rate
Of Columbia Law School's 21,447 alumni in the New York register, 77.3% currently hold "Currently registered" status, above the statewide average.
Columbia Law School alumni, active-bar rate
The 2020 admission class today
Of the 8,276 attorneys admitted to the New York bar in 2020, 74.8% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5822911
- Year Admitted
- 2020 (6 yrs · mid-career)
- Judicial Department
- 1
- Next Registration
- Feb 2028
Location & Contact
- Company
- Debevoise & Plimpton LLP
- City
- New York, NY
- County
- New York
- ZIP Code
- 10001
- Phone
- (212) 909-6000
Education
Status Distribution Across the New York Bar
Bar status reference for the 429,620 attorneys registered in this jurisdiction. Katherine S Rooney's current status is "Currently registered".
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.
Other Attorneys at Debevoise & Plimpton LLP
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Compare attorneys →Before you rely on this record
Katherine S Rooney'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 Katherine Rooney licensed?
Katherine Rooney is licensed to practice law in New York.
When was Katherine S Rooney admitted to the bar?
Katherine S Rooney has been on the New York bar register since 2020.
Where did Katherine S Rooney go to law school?
Katherine S Rooney attended Columbia Law School.
What company does Katherine S Rooney work for?
Katherine S Rooney is associated with Debevoise & Plimpton LLP in New York, NY.
Is Katherine S Rooney in good standing?
Yes, Katherine S Rooney holds active bar status ("Currently registered").
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.