New York attorney record · Judicial Dept 3
Henry Clay Quillen
Yale alumna, admitted to the New York bar in 2008, registered office in Portsmouth, NH. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2008
- Admitted
- 18
- Years in bar
- 4579207
- NY reg #
The record in one line
Henry Clay Quillen has held an active New York bar license for 18 years - admitted in 2008, longer-tenured than 37% of the state's currently-active attorneys.
- 18 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 63%
- by tenure among active NY attorneys
- Law school
- Yale
Data updated May 2026
What this profile tells you
Bar status & tenure
Henry Clay Quillen carries New York bar registration 4579207, an established, active practitioner in good standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Whatley Kallas LLP, located in Portsmouth, NH, ZIP 03801. 1 other attorney shares this firm affiliation in the registry. Educational background: YALE (2,592 registered alumni).
State context & due diligence
With an established practice on record, Henry Clay Quillen 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
Henry Clay Quillen was admitted in 2008, giving 18 years on the New York register. The histogram places that tenure against every currently-active attorney in the state, taller bars hold more attorneys at that experience level.
18 years on the New York bar
Years since admission, all currently-active NY attorneys
18 Top 63% higher than 37% 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 Henry compares to fellow Yale alumni
Among the 1,101 Yale graduates in the New York register, Henry Clay Quillen is longer-tenured than 7% - a school-cohort view of experience, alongside the statewide one above.
18 years vs. Yale alumni
Years since admission - 1,101 NY-registered alumni of this school
18 Top 93% higher than 7% of 1,101 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
Yale's active-bar rate
Of Yale's 2,592 alumni in the New York register, 49.1% currently hold "Currently registered" status, below the statewide average.
Yale alumni, active-bar rate
The 2008 admission class today
Of the 9,683 attorneys admitted to the New York bar in 2008, 68.2% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4579207
- Year Admitted
- 2008 (18 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Feb 2028
Location & Contact
- Company
- Whatley Kallas LLP
- City
- Portsmouth, NH
- ZIP Code
- 03801
- Phone
- (603) 294-1591
Education
Status Distribution Across the New York Bar
Henry Clay Quillen'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 Whatley Kallas LLP
View all attorneys at this firm →Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Portsmouth, NH
Compare credentials side-by-side
Compare Henry Clay Quillen with similar attorneys in Portsmouth.
Compare attorneys →Before you rely on this record
Henry Clay Quillen'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 Henry Quillen licensed?
Henry Quillen is licensed to practice law in New York.
When was Henry Clay Quillen admitted to the bar?
Henry Clay Quillen was admitted to the bar in 2008.
Where did Henry Clay Quillen go to law school?
Henry Clay Quillen attended YALE.
What company does Henry Clay Quillen work for?
Henry Clay Quillen is associated with Whatley Kallas LLP in Portsmouth, NH.
Is Henry Clay Quillen in good standing?
Yes, Henry Clay Quillen 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.