New York attorney record · Judicial Dept 2
Jennifer Lang Koo
Hofstra University School Of Law alumna, admitted to the New York bar in 2010, registered office in Garden City, NY. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2010
- Admitted
- 16
- Years in bar
- 4805479
- NY reg #
The record in one line
Jennifer Lang Koo has held an active New York bar license for 16 years - admitted in 2010, longer-tenured than 38% of the state's currently-active attorneys.
- 16 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1546 of 2,095
- by tenure in Garden City office peers
- Law school
- Hofstra University School Of Law
Data updated September 2026
What this profile tells you
Bar status & tenure
Jennifer Lang Koo carries New York bar registration 4805479, an established, active practitioner 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 Armanino Advisory LLC, located in Garden City, NY (Nassau County), ZIP 11530. 3 other attorneys share this firm affiliation in the registry. Educational background: HOFSTRA UNIVERSITY SCHOOL OF LAW (11,487 registered alumni).
State context & due diligence
With an established practice on record, Jennifer Lang Koo remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
Jennifer Lang Koo was admitted in 2010, giving 16 years on the New York register.
16 years on the New York bar
Years since admission, all currently-active NY attorneys
16 Top 62% higher than 38% of 290,787 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 · September 2026
Tenure among Garden City, NY office peers
Jennifer Lang Koo's 16-year NY register tenure places mid-pack in Garden City, NY: rank #1,546 of 2,095 office peers (74th percentile). See the Garden City attorney directory .
- Local rank
- #1,546
- City cohort
- 2,095
- Local percentile
- 74th
- Admitted
- 2010
Nearest tenure peers in Garden City
- Gennaro Battiloro admitted 2010 · 16 yr
- Nicole Marie Black admitted 2010 · 16 yr
- John Eugen Boneta admitted 2010 · 16 yr
- Allyson Dale Burger admitted 2010 · 16 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 Jennifer compares to fellow Hofstra University School Of Law alumni
Among the 6,882 Hofstra University School Of Law graduates in the New York register, Jennifer Lang Koo is longer-tenured than 47%.
16 years vs. Hofstra University School Of Law alumni
Years since admission - 6,882 NY-registered alumni of this school
16 Top 53% higher than 47% of 6,882 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
Hofstra University School Of Law's active-bar rate
Of Hofstra University School Of Law's 11,487 alumni in the New York register, 77.3% currently hold "Currently registered" status, above the statewide average.
The 2010 admission class today
Of the 10,128 attorneys admitted to the New York bar in 2010, 69.6% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4805479
- Year Admitted
- 2010 (16 yrs · senior)
- Judicial Department
- 2
- Next Registration
- May 2028
Location & Contact
- Company
- Armanino Advisory LLC
- City
- Garden City, NY
- County
- Nassau
- ZIP Code
- 11530
- Phone
- (516) 750-6583
Education
Status Distribution Across the New York Bar
Jennifer Lang Koo's current status, "Currently registered", places this attorney in 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: Armanino Advisory LLC
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Hofstra University School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 2010 (excluding same-firm colleagues above).
Same admission year (2010), other cities
NY-registered attorneys admitted in 2010 whose listed office city differs from Garden City, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Jennifer Lang Koo: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~2,096 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2010)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare attorneys →Before you rely on this record
Jennifer Lang Koo'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 Jennifer Koo licensed?
Jennifer Koo is licensed to practice law in New York.
When was Jennifer Lang Koo admitted to the bar?
Jennifer Lang Koo was admitted to the bar in 2010.
Where did Jennifer Lang Koo go to law school?
Jennifer Lang Koo attended HOFSTRA UNIVERSITY SCHOOL OF LAW.
What company does Jennifer Lang Koo work for?
Jennifer Lang Koo is associated with Armanino Advisory LLC in Garden City, NY.
Is Jennifer Lang Koo in good standing?
Yes, Jennifer Lang Koo holds active bar status ("Currently registered").
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.