New York attorney record · Judicial Dept 2
Heather Diane Diddel
Columbia Law School alumna, admitted to the New York bar in 1984, registered office in Albany, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1984
- Admitted
- 42
- Years in bar
- 1944883
- NY reg #
The record in one line
Heather Diane Diddel appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 1984 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 42 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- #328 of 3,677
- by tenure in Albany office peers
- Law school
- Columbia Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Heather Diane Diddel is registered as bar number 1944883 with the New York bar authority, carrying a current status of "Due to reregister within 30 days of birthday", a routine periodic-renewal reminder, not discipline. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Whiteman Osterman & Hanna, LLP, located in Albany, NY (Albany County), ZIP 12260. 2 other attorneys share this firm affiliation in the registry. Educational background: Columbia Law School (21,682 registered alumni).
State context & due diligence
A "Due to reregister within 30 days of birthday" status falls outside the New York bar's active cohort for now. The breakdown below shows what share of the register that represents.
Tenure among Albany, NY office peers
Heather Diane Diddel is earlier in the Albany, NY office cohort than most peers: local tenure rank #328 of 3,677 (9th percentile). See the Albany attorney directory .
- Local rank
- #328
- City cohort
- 3,677
- Local percentile
- 9th
- Admitted
- 1984
Nearest tenure peers in Albany
- Anne Elizabeth Barschall admitted 1984 · 42 yr
- James David Bilik admitted 1984 · 42 yr
- Nancy L. Burritt admitted 1984 · 42 yr
- Mary C. Cahill admitted 1984 · 42 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 Heather compares to fellow Columbia Law School alumni
Among the 12,124 Columbia Law School graduates in the New York register, Heather Diane Diddel is longer-tenured than 99%.
42 years vs. Columbia Law School alumni
Years since admission - 12,124 NY-registered alumni of this school
42 Top 1% higher than 99% of 12,124 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
Columbia Law School's active-bar rate
Of Columbia Law School's 21,682 alumni in the New York register, 65.6% currently hold "Currently registered" status, below the statewide average.
The 1984 admission class today
Of the 5,952 attorneys admitted to the New York bar in 1984, 54.8% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Due to reregister within 30 days of birthday
- Registration Number
- 1944883
- Year Admitted
- 1984 (42 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Apr 2026
Location & Contact
- Company
- Whiteman Osterman & Hanna, LLP
- City
- Albany, NY
- County
- Albany
- ZIP Code
- 12260
- Phone
- (518) 487-7703
Education
Status Distribution Across the New York Bar
Heather Diane Diddel's current status, "Due to reregister within 30 days of birthday", places this record outside 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: Whiteman Osterman & Hanna, LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Columbia Law School alumni
Fellow alumni on the NY register whose admission year is closest to 1984 (excluding same-firm colleagues above).
Same admission year (1984), other cities
NY-registered attorneys admitted in 1984 whose listed office city differs from Albany, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Heather Diane Diddel: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~3,678 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1984)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
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Heather Diane Diddel is currently listed as "Due to reregister within 30 days of birthday", treat that as a registration fact to confirm, not a verdict on quality.
Frequently Asked Questions
Where is Heather Diddel licensed?
Heather Diddel is licensed to practice law in New York.
When was Heather Diane Diddel admitted to the bar?
Heather Diane Diddel's admission to the New York bar dates back to 1984.
Where did Heather Diane Diddel go to law school?
Heather Diane Diddel attended Columbia Law School.
What company does Heather Diane Diddel work for?
Heather Diane Diddel is associated with Whiteman Osterman & Hanna, LLP in Albany, NY.
Is Heather Diane Diddel in good standing?
Not currently, Heather Diane Diddel's listed status is "Due to reregister within 30 days of birthday", not active standing. Confirm current status with the state bar.
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.