New York attorney record · Judicial Dept 1
Mark Russell Sperling
Harvard Law School alumna, admitted to the New York bar in 2016, registered office in Basking Ridge, NJ. Status, address, and registration history come straight from the NY Office of Court Administration registry.
- 2016
- Admitted
- 10
- Years in bar
- 5447164
- NY reg #
The record in one line
Admitted in 2016, Mark Russell Sperling has built 10 years of active New York practice - more tenure than 24% of the state's currently-active attorneys.
- 10 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 76%
- by tenure among active NY attorneys
- Law school
- Harvard Law School
What this profile tells you
Bar status & tenure
Mark Russell Sperling is registered as bar number 5447164 with the New York bar authority, carrying a current status of "Currently registered", authorized to practice and in 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 Daiichi Sankyo, Inc., located in Basking Ridge, NJ, ZIP 07920. 5 other attorneys share this firm affiliation in the registry. Educational background: Harvard Law School (16,595 registered alumni).
State context & due diligence
Mark Russell Sperling sits within the New York bar's active cohort, see the full statewide status breakdown below for how that cohort compares to the rest of the register.
Experience vs. the active New York bar
10 years into an active New York practice since a 2016 admission, Mark Russell Sperling sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
10 years on the New York bar
Years since admission, all currently-active NY attorneys
10 Top 76% higher than 24% 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 Mark Russell compares to fellow Harvard Law School alumni
Among the 8,587 Harvard Law School graduates in the New York register, Mark Russell Sperling is longer-tenured than 35% - a school-cohort view of experience, alongside the statewide one above.
10 years vs. Harvard Law School alumni
Years since admission - 8,587 NY-registered alumni of this school
10 Top 65% higher than 35% 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 2016 admission class today
Of the 8,420 attorneys admitted to the New York bar in 2016, 72.1% are still "Currently registered" today, above the statewide average across all admission years.
Bar retention: statewide average vs. the 2016 admission class
Professional Details
- Status
- Currently registered
- Registration Number
- 5447164
- Year Admitted
- 2016 (10 yrs · mid-career)
- Judicial Department
- 1
- Next Registration
- Nov 2026
Location & Contact
- Company
- Daiichi Sankyo, Inc.
- City
- Basking Ridge, NJ
- ZIP Code
- 07920
- Phone
- (332) 284-5762
Education
Status Distribution Across the New York Bar
Bar status reference for the 429,620 attorneys registered in this jurisdiction. Mark Russell Sperling's current status is "Currently registered".
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 Daiichi Sankyo, Inc.
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Compare attorneys →Before you rely on this record
Mark Russell Sperling'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 Mark Russell Sperling licensed?
Mark Russell Sperling is licensed to practice law in New York.
When was Mark Russell Sperling admitted to the bar?
Mark Russell Sperling has been on the New York bar register since 2016.
Where did Mark Russell Sperling go to law school?
Mark Russell Sperling attended Harvard Law School.
What company does Mark Russell Sperling work for?
Mark Russell Sperling is associated with Daiichi Sankyo, Inc. in Basking Ridge, NJ.
Is Mark Russell Sperling in good standing?
Yes, Mark Russell Sperling 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.