New York attorney record · Judicial Dept 1
David Marshall Plattner
Columbia Law School alumna, admitted to the New York bar in 2007, registered office in Washington, DC. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2007
- Admitted
- 19
- Years in bar
- 4482238
- NY reg #
The record in one line
David Marshall Plattner has held an active New York bar license for 19 years - admitted in 2007, longer-tenured than 38% of the state's currently-active attorneys.
- 19 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #5070 of 12,540
- by tenure in Washington office peers
- Law school
- Columbia Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
David Marshall Plattner carries New York bar registration 4482238, an established, active practitioner 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 U.S. Securities And Exchange Commission, located in Washington, DC, ZIP 20549. 5 other attorneys share this firm affiliation in the registry. Educational background: Columbia Law School (11,650 registered alumni).
State context & due diligence
With an established practice on record, David Marshall Plattner remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
David Marshall Plattner was admitted in 2007, giving 19 years on the New York register.
19 years on the New York bar
Years since admission, all currently-active NY attorneys
19 Top 62% higher than 38% 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 Washington, DC office peers
David Marshall Plattner's 19-year NY register tenure places mid-pack in Washington, DC: rank #5,070 of 12,540 office peers (40th percentile). See the Washington attorney directory .
- Local rank
- #5,070
- City cohort
- 12,540
- Local percentile
- 40th
- Admitted
- 2007
Nearest tenure peers in Washington
- Adam Ross Adler admitted 2007 · 19 yr
- Flora Ahn admitted 2007 · 19 yr
- Sue-Yun Ahn admitted 2007 · 19 yr
- Kwaku Affawua Akowuah admitted 2007 · 19 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 Columbia Law School alumni
Among the 12,124 Columbia Law School graduates in the New York register, David Marshall Plattner is longer-tenured than 56%.
19 years vs. Columbia Law School alumni
Years since admission - 12,124 NY-registered alumni of this school
19 Top 44% higher than 56% of 12,124 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
Columbia Law School's active-bar rate
Of Columbia Law School's 11,650 alumni in the New York register, 78.3% currently hold "Currently registered" status, above the statewide average.
The 2007 admission class today
Of the 8,913 attorneys admitted to the New York bar in 2007, 87.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4482238
- Year Admitted
- 2007 (19 yrs · senior)
- Judicial Department
- 1
- Next Registration
- May 2027
Location & Contact
- Company
- U.S. Securities And Exchange Commission
- City
- Washington, DC
- ZIP Code
- 20549
- Phone
- (202) 551-8094
Education
Status Distribution Across the New York Bar
David Marshall Plattner'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: U.S. Securities And Exchange Commission
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Columbia Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2007 (excluding same-firm colleagues above).
Same admission year (2007), other cities
NY-registered attorneys admitted in 2007 whose listed office city differs from Washington, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for David Marshall Plattner: closest NY bar admission year outside DC, and closest out-of-state office cities by how many NY-registered attorneys they list (~12,541 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2007)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
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Compare attorneys →Before you rely on this record
David Marshall Plattner'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 Plattner licensed?
David Plattner is licensed to practice law in New York.
When was David Marshall Plattner admitted to the bar?
David Marshall Plattner was admitted to the bar in 2007.
Where did David Marshall Plattner go to law school?
David Marshall Plattner attended Columbia Law School.
What company does David Marshall Plattner work for?
David Marshall Plattner is associated with U.S. Securities And Exchange Commission in Washington, DC.
Is David Marshall Plattner in good standing?
Yes, David Marshall Plattner 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.