New York attorney record · Judicial Dept 2
Thomas Arthur Illmensee
Usc alumna, admitted to the New York bar in 1970, registered office in Garden City, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1970
- Admitted
- 56
- Years in bar
- 1399161
- NY reg #
The record in one line
Thomas Arthur Illmensee has spent 56 years on the register since admission in 1970, one of the longest-standing active practitioners the state bar carries at 98% tenure percentile.
- 56 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 2%
- by tenure among active NY attorneys
- Law school
- Usc
Data updated May 2026
What this profile tells you
Bar status & tenure
Thomas Arthur Illmensee has carried New York bar registration 1399161 for the better part of a career, still active and in good 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 Thomas A Illmensee, located in Garden City, NY (Nassau County), ZIP 11530. Educational background: USC (16 registered alumni).
State context & due diligence
Across a career spanning 56 years, Thomas Arthur Illmensee 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
Thomas Arthur Illmensee's 56 years since a 1970 admission places this record near the far edge of the statewide tenure curve below.
56 years on the New York bar
Years since admission, all currently-active NY attorneys
56 Top 2% higher than 98% 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
Usc's active-bar rate
Of Usc's 16 alumni in the New York register, 68.8% currently hold "Currently registered" status, above the statewide average.
Usc alumni, active-bar rate
The 1970 admission class today
Of the 1,615 attorneys admitted to the New York bar in 1970, 36.5% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1399161
- Year Admitted
- 1970 (56 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Jun 2026
Location & Contact
- Company
- Thomas A Illmensee
- City
- Garden City, NY
- County
- Nassau
- ZIP Code
- 11530
- Phone
- (516) 742-2777
Education
Status Distribution Across the New York Bar
Thomas Arthur Illmensee's current status, "Currently registered", places this attorney in the 66.2% of the 429,620-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.
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Compare attorneys →Before you rely on this record
Thomas Arthur Illmensee'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 Thomas Illmensee licensed?
Thomas Illmensee is licensed to practice law in New York.
When was Thomas Arthur Illmensee admitted to the bar?
Thomas Arthur Illmensee's admission to the New York bar dates back to 1970.
Where did Thomas Arthur Illmensee go to law school?
Thomas Arthur Illmensee attended USC.
What company does Thomas Arthur Illmensee work for?
Thomas Arthur Illmensee is associated with Thomas A Illmensee in Garden City, NY.
Is Thomas Arthur Illmensee in good standing?
Yes, Thomas Arthur Illmensee 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.