New York attorney record · Judicial Dept 4
Mark Hayden Dadd
Cornell alumna, admitted to the New York bar in 1968, registered office in Attica, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1968
- Admitted
- 58
- Years in bar
- 1122241
- NY reg #
The record in one line
Mark Hayden Dadd appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 1968 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 58 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- #1 of 8
- by tenure in Attica office peers
- Law school
- Cornell
Data updated August 2026
What this profile tells you
Bar status & tenure
Mark Hayden Dadd is registered as bar number 1122241 with the New York bar authority, carrying a current status of "Due to reregister within 30 days of birthday", a routine periodic-renewal reminder, not discipline. Registration is recorded within Judicial Department 4, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Dadd Law Office PLLC, located in Attica, NY (Wyoming County), ZIP 14011. Educational background: CORNELL (2,732 registered alumni).
State context & due diligence
A "Due to reregister within 30 days of birthday" status falls outside the New York bar's active cohort for now. The breakdown below shows what share of the register that represents.
Tenure among Attica, NY office peers
Within Attica, NY's 8-attorney local set, Mark Hayden Dadd is #1 by tenure, a small-cohort read, not a statewide claim. See the Attica attorney directory .
- Local rank
- #1
- City cohort
- 8
- Local percentile
- 0th
- Admitted
- 1968
Nearest tenure peers in Attica
- Margaret Baggot Dadd admitted 1973 · 53 yr
- Timothy F. Moran admitted 1976 · 50 yr
- Merlyn Evarts Bissell admitted 1992 · 34 yr
- Daniel Michael Killelea admitted 1998 · 28 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 Mark compares to fellow Cornell alumni
Among the 1,212 Cornell graduates in the New York register, Mark Hayden Dadd is longer-tenured than 99%.
58 years vs. Cornell alumni
Years since admission - 1,212 NY-registered alumni of this school
58 Top 1% higher than 99% of 1,212 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
Cornell's active-bar rate
Of Cornell's 2,732 alumni in the New York register, 49.7% currently hold "Currently registered" status, below the statewide average.
The 1968 admission class today
Of the 1,871 attorneys admitted to the New York bar in 1968, 31.6% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Due to reregister within 30 days of birthday
- Registration Number
- 1122241
- Year Admitted
- 1968 (58 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- Aug 2026
Location & Contact
- Company
- Dadd Law Office PLLC
- City
- Attica, NY
- County
- Wyoming
- ZIP Code
- 14011
- Phone
- (585) 739-1370
Education
Status Distribution Across the New York Bar
Mark Hayden Dadd's current status, "Due to reregister within 30 days of birthday", places this record outside 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.
Near-tenure Cornell alumni
Fellow alumni on the NY register whose admission year is closest to 1968 (excluding same-firm colleagues above).
Same admission year (1968), other cities
NY-registered attorneys admitted in 1968 whose listed office city differs from Attica, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Out-of-state NY bar peers for Mark Hayden Dadd with the closest admission year to 1968. Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
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Mark Hayden Dadd is currently listed as "Due to reregister within 30 days of birthday", treat that as a registration fact to confirm, not a verdict on quality.
Frequently Asked Questions
Where is Mark Dadd licensed?
Mark Dadd is licensed to practice law in New York.
When was Mark Hayden Dadd admitted to the bar?
Mark Hayden Dadd's admission to the New York bar dates back to 1968.
Where did Mark Hayden Dadd go to law school?
Mark Hayden Dadd attended CORNELL.
What company does Mark Hayden Dadd work for?
Mark Hayden Dadd is associated with Dadd Law Office PLLC in Attica, NY.
Is Mark Hayden Dadd in good standing?
Not currently, Mark Hayden Dadd's listed status is "Due to reregister within 30 days of birthday", not active standing. Confirm current status with the state bar.
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.