New York attorney record · Judicial Dept 3
William Graham Greco
Harvard Law School alumna, admitted to the New York bar in 2021, registered office in Washington, DC. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2021
- Admitted
- 5
- Years in bar
- 5916010
- NY reg #
The record in one line
Admitted in 2021, William Graham Greco has built 5 years of active New York practice - more tenure than 12% of the state's currently-active attorneys.
- 5 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 88%
- by tenure among active NY attorneys
- Law school
- Harvard Law School
Data updated May 2026
What this profile tells you
Bar status & tenure
Bar number 5916010 on the New York register belongs to William Graham Greco, currently in active 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 Kostelanetz LLP, located in Washington, DC, ZIP 20001. 5 other attorneys share this firm affiliation in the registry. Educational background: Harvard Law School (16,595 registered alumni).
State context & due diligence
William Graham Greco is currently part of the New York bar's active cohort, a group the breakdown below sizes against the full register.
Experience vs. the active New York bar
5 years into an active New York practice since a 2021 admission, William Graham Greco sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
5 years on the New York bar
Years since admission, all currently-active NY attorneys
5 Top 88% higher than 12% 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 William compares to fellow Harvard Law School alumni
Among the 8,587 Harvard Law School graduates in the New York register, William Graham Greco is longer-tenured than 15% - a school-cohort view of experience, alongside the statewide one above.
5 years vs. Harvard Law School alumni
Years since admission - 8,587 NY-registered alumni of this school
5 Top 85% higher than 15% of 8,587 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
Harvard Law School's active-bar rate
Of Harvard Law School's 16,595 alumni in the New York register, 73.6% currently hold "Currently registered" status, above the statewide average.
Harvard Law School alumni, active-bar rate
The 2021 admission class today
Of the 7,829 attorneys admitted to the New York bar in 2021, 93.8% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5916010
- Year Admitted
- 2021 (5 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Mar 2027
Location & Contact
- Company
- Kostelanetz LLP
- City
- Washington, DC
- ZIP Code
- 20001
- Phone
- (202) 800-6392
Education
Status Distribution Across the New York Bar
William Graham Greco'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 Kostelanetz LLP
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Compare attorneys →Before you rely on this record
William Graham Greco'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 William Greco licensed?
William Greco is licensed to practice law in New York.
When was William Graham Greco admitted to the bar?
William Graham Greco has been on the New York bar register since 2021.
Where did William Graham Greco go to law school?
William Graham Greco attended Harvard Law School.
What company does William Graham Greco work for?
William Graham Greco is associated with Kostelanetz LLP in Washington, DC.
Is William Graham Greco in good standing?
Yes, William Graham Greco 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.