New York attorney record · Judicial Dept 4
F David Rusin
University Of Dayton alumna, admitted to the New York bar in 1984, registered office in Williamsville, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1984
- Admitted
- 42
- Years in bar
- 1930817
- NY reg #
The record in one line
F David Rusin has spent 42 years on the register since admission in 1984, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 42 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #78 of 456
- by tenure in Williamsville office peers
- Law school
- University Of Dayton
Data updated September 2026
What this profile tells you
Bar status & tenure
F David Rusin has carried New York bar registration 1930817 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 4, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under William Mattar, P.C., located in Williamsville, NY (Erie County), ZIP 14221. 5 other attorneys share this firm affiliation in the registry. Educational background: UNIVERSITY OF DAYTON (202 registered alumni).
State context & due diligence
Across a career spanning 42 years, F David Rusin has remained part of the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
F David Rusin's 42 years since a 1984 admission places this record near the far edge of the statewide tenure curve below.
42 years on the New York bar
Years since admission, all currently-active NY attorneys
42 Top 14% higher than 86% 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 Williamsville, NY office peers
Most of the 456 NY-registered attorneys in Williamsville, NY outrank F David Rusin on tenure; this record sits at the 17th local percentile (rank #78). See the Williamsville attorney directory .
- Local rank
- #78
- City cohort
- 456
- Local percentile
- 17th
- Admitted
- 1984
Nearest tenure peers in Williamsville
- William D. Huber admitted 1984 · 42 yr
- James Mark Loree admitted 1984 · 42 yr
- Timothy J. Snell admitted 1984 · 42 yr
- Brian Richard Welsh admitted 1984 · 42 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 F compares to fellow University Of Dayton alumni
Among the 146 University Of Dayton graduates in the New York register, F David Rusin is longer-tenured than 99%.
42 years vs. University Of Dayton alumni
Years since admission - 146 NY-registered alumni of this school
42 Top 1% higher than 99% of 146 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
University Of Dayton's active-bar rate
Of University Of Dayton's 202 alumni in the New York register, 71.3% currently hold "Currently registered" status, above the statewide average.
The 1984 admission class today
Of the 5,952 attorneys admitted to the New York bar in 1984, 54.8% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1930817
- Year Admitted
- 1984 (42 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- Feb 2028
Location & Contact
- Company
- William Mattar, P.C.
- City
- Williamsville, NY
- County
- Erie
- ZIP Code
- 14221
- Phone
- (716) 633-3535
Education
Status Distribution Across the New York Bar
F David Rusin'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: William Mattar, P.C.
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure University Of Dayton alumni
Fellow alumni on the NY register whose admission year is closest to 1984 (excluding same-firm colleagues above).
Same admission year (1984), other cities
NY-registered attorneys admitted in 1984 whose listed office city differs from Williamsville, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for F David Rusin: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~457 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1984)
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
F David Rusin'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 F Rusin licensed?
F Rusin is licensed to practice law in New York.
When was F David Rusin admitted to the bar?
F David Rusin's admission to the New York bar dates back to 1984.
Where did F David Rusin go to law school?
F David Rusin attended UNIVERSITY OF DAYTON.
What company does F David Rusin work for?
F David Rusin is associated with William Mattar, P.C. in Williamsville, NY.
Is F David Rusin in good standing?
Yes, F David Rusin 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.