New York attorney record · Judicial Dept 4
Thomas A. De Simon
Suny At Buffalo alumna, admitted to the New York bar in 1986, registered office in Pittsford, 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
- 2021962
- NY reg #
The record in one line
Thomas A. De Simon 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"
- #59 of 270
- by tenure in Pittsford office peers
- Law school
- Suny At Buffalo
Data updated August 2026
What this profile tells you
Bar status & tenure
Thomas A. De Simon has carried New York bar registration 2021962 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 Harris Beach, PLLC, located in Pittsford, NY (Monroe County), ZIP 14534. 3 other attorneys share this firm affiliation in the registry. Educational background: SUNY AT BUFFALO (2,896 registered alumni).
State context & due diligence
Across a career spanning 40 years, Thomas A. De Simon 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
Thomas A. De Simon'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 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 Pittsford, NY office peers
Most of the 270 NY-registered attorneys in Pittsford, NY outrank Thomas A. De Simon on tenure; this record sits at the 21st local percentile (rank #59). See the Pittsford attorney directory .
- Local rank
- #59
- City cohort
- 270
- Local percentile
- 21st
- Admitted
- 1986
Nearest tenure peers in Pittsford
- Thomas Carroll Hartzell Jr admitted 1986 · 40 yr
- Craig Laurence Mcgrain admitted 1986 · 40 yr
- Norman A. Palmiere admitted 1986 · 40 yr
- Michael P. Robinson admitted 1986 · 40 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 Thomas compares to fellow Suny At Buffalo alumni
Among the 1,234 Suny At Buffalo graduates in the New York register, Thomas A. De Simon is longer-tenured than 99%.
40 years vs. Suny At Buffalo alumni
Years since admission - 1,234 NY-registered alumni of this school
40 Top 1% higher than 99% of 1,234 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
Suny At Buffalo's active-bar rate
Of Suny At Buffalo's 2,896 alumni in the New York register, 60.5% currently hold "Currently registered" status, below the statewide average.
The 1986 admission class today
Of the 6,111 attorneys admitted to the New York bar in 1986, 57.1% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2021962
- Year Admitted
- 1986 (40 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- Oct 2026
Location & Contact
- Company
- Harris Beach, PLLC
- City
- Pittsford, NY
- County
- Monroe
- ZIP Code
- 14534
- Phone
- (585) 419-8800
Education
Status Distribution Across the New York Bar
Thomas A. De Simon'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: Harris Beach, PLLC
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Suny At Buffalo alumni
Fellow alumni on the NY register whose admission year is closest to 1986 (excluding same-firm colleagues above).
Same admission year (1986), other cities
NY-registered attorneys admitted in 1986 whose listed office city differs from Pittsford, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Thomas A. De Simon: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~271 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1986)
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 Pittsford, NY
Compare credentials side-by-side
Compare Thomas A. De Simon with similar attorneys in Pittsford.
Compare attorneys →Before you rely on this record
Thomas A. De Simon'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 Thomas De Simon licensed?
Thomas De Simon is licensed to practice law in New York.
When was Thomas A. De Simon admitted to the bar?
Thomas A. De Simon's admission to the New York bar dates back to 1986.
Where did Thomas A. De Simon go to law school?
Thomas A. De Simon attended SUNY AT BUFFALO.
What company does Thomas A. De Simon work for?
Thomas A. De Simon is associated with Harris Beach, PLLC in Pittsford, NY.
Is Thomas A. De Simon in good standing?
Yes, Thomas A. De Simon 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.