New York attorney record · Judicial Dept 3
David Mark Lehn
Georgetown University Law Center alumna, admitted to the New York bar in 2015, registered office in Old Greenwich, CT. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2015
- Admitted
- 11
- Years in bar
- 5306485
- NY reg #
The record in one line
Admitted in 2015, David Mark Lehn has built 11 years of active New York practice - more tenure than 25% of the state's currently-active attorneys.
- 11 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #53 of 58
- by tenure in Old Greenwich office peers
- Law school
- Georgetown University Law Center
Data updated August 2026
What this profile tells you
Bar status & tenure
Bar number 5306485 on the New York register belongs to David Mark Lehn, 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 Withers Bergman LLP, located in Old Greenwich, CT, ZIP 06870. 5 other attorneys share this firm affiliation in the registry. Educational background: Georgetown University Law Center (6,587 registered alumni).
State context & due diligence
David Mark Lehn 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
11 years into an active New York practice since a 2015 admission, David Mark Lehn sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
11 years on the New York bar
Years since admission, all currently-active NY attorneys
11 Top 75% higher than 25% of 290,787 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 · August 2026
Tenure among Old Greenwich, CT office peers
In Old Greenwich, CT's NY-registered cohort of 58, David Mark Lehn sits at local tenure rank #53 (90th percentile). See the Old Greenwich attorney directory .
- Local rank
- #53
- City cohort
- 58
- Local percentile
- 90th
- Admitted
- 2015
Nearest tenure peers in Old Greenwich
- Amanda Chapman Burns admitted 2012 · 14 yr
- Natassia Marie Fodor admitted 2018 · 8 yr
- Alaael-Deen Shilleh admitted 2018 · 8 yr
- Erik Matthew Rodriguez admitted 2019 · 7 yr
How local rank is computed
Rank uses years since NY-bar admission among non-deceased registry rows that list the same office city and state, a local placement, not a statewide claim. Source: NY Office of Court Administration Attorney Registration · as of August 2026. Derived local rank, not published upstream.
How David compares to fellow Georgetown University Law Center alumni
Among the 8,074 Georgetown University Law Center graduates in the New York register, David Mark Lehn is longer-tenured than 37%.
11 years vs. Georgetown University Law Center alumni
Years since admission - 8,074 NY-registered alumni of this school
11 Top 63% higher than 37% of 8,074 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 · August 2026
Georgetown University Law Center's active-bar rate
Of Georgetown University Law Center's 6,587 alumni in the New York register, 83.1% currently hold "Currently registered" status, above the statewide average.
Georgetown University Law Center alumni, active-bar rate
The 2015 admission class today
Of the 8,867 attorneys admitted to the New York bar in 2015, 93% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5306485
- Year Admitted
- 2015 (11 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Jan 2027
Location & Contact
- Company
- Withers Bergman LLP
- City
- Old Greenwich, CT
- ZIP Code
- 06870
- Phone
- (203) 302-4100
Education
Status Distribution Across the New York Bar
David Mark Lehn's current status, "Currently registered", places this attorney in the 67.2% of the 432,625-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.
Same firm affiliation: Withers Bergman LLP
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Georgetown University Law Center alumni
Fellow alumni on the NY register whose admission year is closest to 2015 (excluding same-firm colleagues above).
Same admission year (2015), other cities
NY-registered attorneys admitted in 2015 whose listed office city differs from Old Greenwich, a vintage cohort, not a neighborhood list.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Old Greenwich, CT
Compare credentials side-by-side
Compare David Mark Lehn with similar attorneys in Old Greenwich.
Compare attorneys →Before you rely on this record
David Mark Lehn'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 David Lehn licensed?
David Lehn is licensed to practice law in New York.
When was David Mark Lehn admitted to the bar?
David Mark Lehn has been on the New York bar register since 2015.
Where did David Mark Lehn go to law school?
David Mark Lehn attended Georgetown University Law Center.
What company does David Mark Lehn work for?
David Mark Lehn is associated with Withers Bergman LLP in Old Greenwich, CT.
Is David Mark Lehn in good standing?
Yes, David Mark Lehn holds active bar status ("Currently registered").
Cite this page & disclosure
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.