New York attorney record · Judicial Dept 2
Konstantin Yefimovich Lantsman
Harvard Law School alumna, admitted to the New York bar in 2016, registered office in New Haven, CT. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2016
- Admitted
- 10
- Years in bar
- 5455829
- NY reg #
The record in one line
Admitted in 2016, Konstantin Yefimovich Lantsman 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
Data updated May 2026
What this profile tells you
Bar status & tenure
Bar number 5455829 on the New York register belongs to Konstantin Yefimovich Lantsman, currently in active 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 U.S. Attorney'S Office - District Of Connecticut, located in New Haven, CT, ZIP 06510. 1 other attorney shares this firm affiliation in the registry. Educational background: Harvard Law School (16,595 registered alumni).
State context & due diligence
Konstantin Yefimovich Lantsman 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
10 years into an active New York practice since a 2016 admission, Konstantin Yefimovich Lantsman 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 Konstantin compares to fellow Harvard Law School alumni
Among the 8,587 Harvard Law School graduates in the New York register, Konstantin Yefimovich Lantsman 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.
Professional Details
- Status
- Currently registered
- Registration Number
- 5455829
- Year Admitted
- 2016 (10 yrs · mid-career)
- Judicial Department
- 2
- Next Registration
- Aug 2026
Location & Contact
- Company
- U.S. Attorney'S Office - District Of Connecticut
- City
- New Haven, CT
- ZIP Code
- 06510
- Phone
- (203) 821-3700
Education
Status Distribution Across the New York Bar
Konstantin Yefimovich Lantsman'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 U.S. Attorney'S Office - District Of Connecticut
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Compare attorneys →Before you rely on this record
Konstantin Yefimovich Lantsman'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 Konstantin Lantsman licensed?
Konstantin Lantsman is licensed to practice law in New York.
When was Konstantin Yefimovich Lantsman admitted to the bar?
Konstantin Yefimovich Lantsman has been on the New York bar register since 2016.
Where did Konstantin Yefimovich Lantsman go to law school?
Konstantin Yefimovich Lantsman attended Harvard Law School.
What company does Konstantin Yefimovich Lantsman work for?
Konstantin Yefimovich Lantsman is associated with U.S. Attorney'S Office - District Of Connecticut in New Haven, CT.
Is Konstantin Yefimovich Lantsman in good standing?
Yes, Konstantin Yefimovich Lantsman 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.