New York attorney record · Judicial Dept 3
Leonard Edward Sienko Jr.
Boston College Law School alumna, admitted to the New York bar in 1978, registered office in Hancock, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1978
- Admitted
- 48
- Years in bar
- 1373877
- NY reg #
The record in one line
Leonard Edward Sienko Jr. appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 1978 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 48 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- Law school
- Boston College Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Leonard Edward Sienko Jr. is registered as bar number 1373877 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 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Leonard E Sienko Jr Attorney At Law, located in Hancock, NY (Delaware County), ZIP 13783. Educational background: Boston College Law School (3,381 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.
How Leonard compares to fellow Boston College Law School alumni
Among the 2,149 Boston College Law School graduates in the New York register, Leonard Edward Sienko Jr. is longer-tenured than 99%.
48 years vs. Boston College Law School alumni
Years since admission - 2,149 NY-registered alumni of this school
48 Top 1% higher than 99% of 2,149 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
Boston College Law School's active-bar rate
Of Boston College Law School's 3,381 alumni in the New York register, 72.9% currently hold "Currently registered" status, above the statewide average.
The 1978 admission class today
Of the 3,834 attorneys admitted to the New York bar in 1978, 51.7% 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
- 1373877
- Year Admitted
- 1978 (48 yrs · veteran)
- Judicial Department
- 3
- Next Registration
- Aug 2026
Location & Contact
- Company
- Leonard E Sienko Jr Attorney At Law
- City
- Hancock, NY
- County
- Delaware
- ZIP Code
- 13783
- Phone
- (607) 637-5400
Education
Status Distribution Across the New York Bar
Leonard Edward Sienko Jr.'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.
Near-tenure Boston College Law School alumni
Fellow alumni on the NY register whose admission year is closest to 1978 (excluding same-firm colleagues above).
Same admission year (1978), other cities
NY-registered attorneys admitted in 1978 whose listed office city differs from Hancock, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Out-of-state NY bar peers for Leonard Edward Sienko Jr. with the closest admission year to 1978. Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
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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Leonard Edward Sienko Jr. 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 Leonard Sienko licensed?
Leonard Sienko is licensed to practice law in New York.
When was Leonard Edward Sienko Jr. admitted to the bar?
Leonard Edward Sienko Jr.'s admission to the New York bar dates back to 1978.
Where did Leonard Edward Sienko Jr. go to law school?
Leonard Edward Sienko Jr. attended Boston College Law School.
What company does Leonard Edward Sienko Jr. work for?
Leonard Edward Sienko Jr. is associated with Leonard E Sienko Jr Attorney At Law in Hancock, NY.
Is Leonard Edward Sienko Jr. in good standing?
Not currently, Leonard Edward Sienko Jr.'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.