New York attorney record · Judicial Dept 2
Frederick B. Rosner
Brooklyn Law School alumna, admitted to the New York bar in 1987, registered office in Wilmington, DE. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1987
- Admitted
- 39
- Years in bar
- 2141109
- NY reg #
The record in one line
With 39 years on the register since a 1987 admission, Frederick B. Rosner ranks among the New York bar's most senior active practitioners, longer-tenured than 79% of the currently-active bar.
- 39 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #28 of 370
- by tenure in Wilmington office peers
- Law school
- Brooklyn Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
Registration 2141109 with the New York bar authority has long belonged to Frederick B. Rosner, a veteran practitioner still in active good 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 The Rosner Law Group LLC, located in Wilmington, DE, ZIP 19801. 1 other attorney shares this firm affiliation in the registry. Educational background: Brooklyn Law School (24,968 registered alumni).
State context & due diligence
After 39 years on the register, Frederick B. Rosner 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 Frederick B. Rosner's 39 years since admission in 1987.
39 years on the New York bar
Years since admission, all currently-active NY attorneys
39 Top 21% higher than 79% 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 · September 2026
Tenure among Wilmington, DE office peers
Most of the 370 NY-registered attorneys in Wilmington, DE outrank Frederick B. Rosner on tenure; this record sits at the 7th local percentile (rank #28). See the Wilmington attorney directory .
- Local rank
- #28
- City cohort
- 370
- Local percentile
- 7th
- Admitted
- 1987
Nearest tenure peers in Wilmington
- Rolin Plumb Bissell admitted 1987 · 39 yr
- David Arthur Diamond admitted 1987 · 39 yr
- Louis Gordon Hering admitted 1987 · 39 yr
- J. Huntley Palmer admitted 1987 · 39 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 September 2026. Derived local rank, not published upstream.
How Frederick compares to fellow Brooklyn Law School alumni
Among the 10,325 Brooklyn Law School graduates in the New York register, Frederick B. Rosner is longer-tenured than 99%.
39 years vs. Brooklyn Law School alumni
Years since admission - 10,325 NY-registered alumni of this school
39 Top 1% higher than 99% of 10,325 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 · September 2026
Brooklyn Law School's active-bar rate
Of Brooklyn Law School's 24,968 alumni in the New York register, 59.1% currently hold "Currently registered" status, below the statewide average.
The 1987 admission class today
Of the 5,948 attorneys admitted to the New York bar in 1987, 73.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2141109
- Year Admitted
- 1987 (39 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- May 2027
Location & Contact
- Company
- The Rosner Law Group LLC
- City
- Wilmington, DE
- ZIP Code
- 19801
- Phone
- (302) 777-1111
Education
Status Distribution Across the New York Bar
Frederick B. Rosner'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: The Rosner Law Group LLC
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
View all attorneys at this firm →Near-tenure Brooklyn Law School alumni
Fellow alumni on the NY register whose admission year is closest to 1987 (excluding same-firm colleagues above).
Same admission year (1987), other cities
NY-registered attorneys admitted in 1987 whose listed office city differs from Wilmington, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Frederick B. Rosner: closest NY bar admission year outside DE, and closest out-of-state office cities by how many NY-registered attorneys they list (~371 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1987)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Wilmington, DE
Compare credentials side-by-side
Compare Frederick B. Rosner with similar attorneys in Wilmington.
Compare attorneys →Before you rely on this record
Frederick B. Rosner'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 Frederick Rosner licensed?
Frederick Rosner is licensed to practice law in New York.
When was Frederick B. Rosner admitted to the bar?
Frederick B. Rosner's admission to the New York bar dates back to 1987.
Where did Frederick B. Rosner go to law school?
Frederick B. Rosner attended Brooklyn Law School.
What company does Frederick B. Rosner work for?
Frederick B. Rosner is associated with The Rosner Law Group LLC in Wilmington, DE.
Is Frederick B. Rosner in good standing?
Yes, Frederick B. Rosner 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.