New York attorney record · Judicial Dept 2
Deirdre Dionysia Von Dornum
Columbia University alumna, admitted to the New York bar in 2001, registered office in New York, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 2001
- Admitted
- 25
- Years in bar
- 3984507
- NY reg #
The record in one line
With 25 years on the register since a 2001 admission, Deirdre Dionysia Von Dornum ranks among the New York bar's most senior active practitioners, longer-tenured than 61% of the currently-active bar.
- 25 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 39%
- by tenure among active NY attorneys
- Law school
- Columbia University
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 3984507 with the New York bar authority has long belonged to Deirdre Dionysia Von Dornum, a veteran practitioner still in active 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 Sher Tremonte, located in New York, NY (New York County), ZIP 10004. 4 other attorneys share this firm affiliation in the registry. Educational background: COLUMBIA UNIVERSITY.
State context & due diligence
After 25 years on the register, Deirdre Dionysia Von Dornum 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 Deirdre Dionysia Von Dornum's 25 years since admission in 2001. The histogram plots that tenure against every currently-active attorney in the state.
25 years on the New York bar
Years since admission, all currently-active NY attorneys
25 Top 39% higher than 61% 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 Deirdre compares to fellow Columbia University alumni
Among the 1,236 Columbia University graduates in the New York register, Deirdre Dionysia Von Dornum is longer-tenured than 41% - a school-cohort view of experience, alongside the statewide one above.
25 years vs. Columbia University alumni
Years since admission - 1,236 NY-registered alumni of this school
25 Top 59% higher than 41% of 1,236 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
The 2001 admission class today
Of the 7,416 attorneys admitted to the New York bar in 2001, 80% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 3984507
- Year Admitted
- 2001 (25 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- May 2027
Location & Contact
- Company
- Sher Tremonte
- City
- New York, NY
- County
- New York
- ZIP Code
- 10004
- Phone
- (212) 202-2600
Education
COLUMBIA UNIVERSITY
Status Distribution Across the New York Bar
Deirdre Dionysia Von Dornum'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.
Other Attorneys at Sher Tremonte
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Compare attorneys →Before you rely on this record
Deirdre Dionysia Von Dornum'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 Deirdre Von Dornum licensed?
Deirdre Von Dornum is licensed to practice law in New York.
When was Deirdre Dionysia Von Dornum admitted to the bar?
Deirdre Dionysia Von Dornum's admission to the New York bar dates back to 2001.
Where did Deirdre Dionysia Von Dornum go to law school?
Deirdre Dionysia Von Dornum attended COLUMBIA UNIVERSITY.
What company does Deirdre Dionysia Von Dornum work for?
Deirdre Dionysia Von Dornum is associated with Sher Tremonte in New York, NY.
Is Deirdre Dionysia Von Dornum in good standing?
Yes, Deirdre Dionysia Von Dornum 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.