New York attorney record · Judicial Dept 4
Duane D. Schoonmaker
Suny At Buffalo alumna, admitted to the New York bar in 1986, 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.
- 1986
- Admitted
- 40
- Years in bar
- 2037174
- NY reg #
The record in one line
Duane D. Schoonmaker has spent 40 years on the register since admission in 1986, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 40 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 14%
- by tenure among active NY attorneys
- Law school
- Suny At Buffalo
Data updated May 2026
What this profile tells you
Bar status & tenure
Duane D. Schoonmaker has carried New York bar registration 2037174 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: SUNY AT BUFFALO (2,951 registered alumni).
State context & due diligence
Across a career spanning 40 years, Duane D. Schoonmaker 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
Duane D. Schoonmaker's 40 years since a 1986 admission places this record near the far edge of the statewide tenure curve below.
40 years on the New York bar
Years since admission, all currently-active NY attorneys
40 Top 14% higher than 86% 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 Duane compares to fellow Suny At Buffalo alumni
Among the 1,248 Suny At Buffalo graduates in the New York register, Duane D. Schoonmaker is longer-tenured than 99% - a school-cohort view of experience, alongside the statewide one above.
40 years vs. Suny At Buffalo alumni
Years since admission - 1,248 NY-registered alumni of this school
40 Top 1% higher than 99% of 1,248 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
Suny At Buffalo's active-bar rate
Of Suny At Buffalo's 2,951 alumni in the New York register, 60.8% currently hold "Currently registered" status, below the statewide average.
Suny At Buffalo alumni, active-bar rate
The 1986 admission class today
Of the 6,111 attorneys admitted to the New York bar in 1986, 57.6% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2037174
- Year Admitted
- 1986 (40 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- Oct 2026
Location & Contact
- Company
- William Mattar, P.C.
- City
- Williamsville, NY
- County
- Erie
- ZIP Code
- 14221
- Phone
- (716) 444-4444
Education
Status Distribution Across the New York Bar
Duane D. Schoonmaker'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 William Mattar, P.C.
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Compare attorneys →Before you rely on this record
Duane D. Schoonmaker'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 Duane Schoonmaker licensed?
Duane Schoonmaker is licensed to practice law in New York.
When was Duane D. Schoonmaker admitted to the bar?
Duane D. Schoonmaker's admission to the New York bar dates back to 1986.
Where did Duane D. Schoonmaker go to law school?
Duane D. Schoonmaker attended SUNY AT BUFFALO.
What company does Duane D. Schoonmaker work for?
Duane D. Schoonmaker is associated with William Mattar, P.C. in Williamsville, NY.
Is Duane D. Schoonmaker in good standing?
Yes, Duane D. Schoonmaker 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.