New York attorney record · Judicial Dept 1
Joanna Raby Halperin
Yeshiva University Cardozo School Of Law alumna, admitted to the New York bar in 2001, registered office in New York, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 2001
- Admitted
- 25
- Years in bar
- 3988706
- NY reg #
The record in one line
With 25 years on the register since a 2001 admission, Joanna Raby Halperin ranks among the New York bar's most senior active practitioners, longer-tenured than 61% of the currently-active bar.
- 25 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 39%
- by tenure among active NY attorneys
- Law school
- Yeshiva University Cardozo School Of Law
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 3988706 with the New York bar authority has long belonged to Joanna Raby Halperin, a veteran practitioner still in active good standing. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Memorial Sloan-Kettering Cancer Center, located in New York, NY (New York County), ZIP 10017. 5 other attorneys share this firm affiliation in the registry. Educational background: Yeshiva University Cardozo School of Law.
State context & due diligence
After 25 years on the register, Joanna Raby Halperin still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match Joanna Raby Halperin's 25 years since admission in 2001. The histogram plots that tenure against every currently-active attorney in the state.
25 years on the New York bar
Years since admission, all currently-active NY attorneys
25 Top 39% higher than 61% 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 Joanna compares to fellow Yeshiva University Cardozo School Of Law alumni
Among the 3,556 Yeshiva University Cardozo School Of Law graduates in the New York register, Joanna Raby Halperin is longer-tenured than 94% - a school-cohort view of experience, alongside the statewide one above.
25 years vs. Yeshiva University Cardozo School Of Law alumni
Years since admission - 3,556 NY-registered alumni of this school
25 Top 6% higher than 94% of 3,556 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
The 2001 admission class today
Of the 7,416 attorneys admitted to the New York bar in 2001, 80% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 3988706
- Year Admitted
- 2001 (25 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- May 2027
Location & Contact
- Company
- Memorial Sloan-Kettering Cancer Center
- City
- New York, NY
- County
- New York
- ZIP Code
- 10017
- Phone
- (646) 227-2621
Education
Yeshiva University Cardozo School of Law
Status Distribution Across the New York Bar
Joanna Raby Halperin'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 Memorial Sloan-Kettering Cancer Center
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Compare attorneys →Before you rely on this record
Joanna Raby Halperin'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 Joanna Halperin licensed?
Joanna Halperin is licensed to practice law in New York.
When was Joanna Raby Halperin admitted to the bar?
Joanna Raby Halperin's admission to the New York bar dates back to 2001.
Where did Joanna Raby Halperin go to law school?
Joanna Raby Halperin attended Yeshiva University Cardozo School of Law.
What company does Joanna Raby Halperin work for?
Joanna Raby Halperin is associated with Memorial Sloan-Kettering Cancer Center in New York, NY.
Is Joanna Raby Halperin in good standing?
Yes, Joanna Raby Halperin 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.