New York attorney record · Judicial Dept 3
Ryan Thomas Gannon
Seton Hall Law alumna, admitted to the New York bar in 2009, registered office in Roseland, NJ. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2009
- Admitted
- 17
- Years in bar
- 4711784
- NY reg #
The record in one line
Ryan Thomas Gannon has held an active New York bar license for 17 years - admitted in 2009, longer-tenured than 38% of the state's currently-active attorneys.
- 17 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #384 of 676
- by tenure in Roseland office peers
- Law school
- Seton Hall Law
Data updated August 2026
What this profile tells you
Bar status & tenure
Ryan Thomas Gannon carries New York bar registration 4711784, an established, active practitioner in good standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Marshall Dennehey, located in Roseland, NJ, ZIP 07068. 5 other attorneys share this firm affiliation in the registry. Educational background: SETON HALL LAW (207 registered alumni).
State context & due diligence
With an established practice on record, Ryan Thomas Gannon remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
Ryan Thomas Gannon was admitted in 2009, giving 17 years on the New York register.
17 years on the New York bar
Years since admission, all currently-active NY attorneys
17 Top 62% higher than 38% 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 Roseland, NJ office peers
Relative to the 676 NY-registered attorneys listing Roseland, NJ, Ryan Thomas Gannon is longer-tenured than 57% (local rank #384). See the Roseland attorney directory .
- Local rank
- #384
- City cohort
- 676
- Local percentile
- 57th
- Admitted
- 2009
Nearest tenure peers in Roseland
- Jason Alan Cherna admitted 2009 · 17 yr
- Mark B. Conlan admitted 2009 · 17 yr
- Lindsay Ann Dischley admitted 2009 · 17 yr
- Jason David Falk admitted 2009 · 17 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 Ryan compares to fellow Seton Hall Law alumni
Among the 203 Seton Hall Law graduates in the New York register, Ryan Thomas Gannon is longer-tenured than 32%.
17 years vs. Seton Hall Law alumni
Years since admission - 203 NY-registered alumni of this school
17 Top 68% higher than 32% of 203 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
Seton Hall Law's active-bar rate
Of Seton Hall Law's 207 alumni in the New York register, 66.2% currently hold "Currently registered" status, below the statewide average.
The 2009 admission class today
Of the 10,203 attorneys admitted to the New York bar in 2009, 87.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4711784
- Year Admitted
- 2009 (17 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Mar 2027
Location & Contact
- Company
- Marshall Dennehey
- City
- Roseland, NJ
- ZIP Code
- 07068
- Phone
- (973) 618-4115
Education
Status Distribution Across the New York Bar
Ryan Thomas Gannon'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: Marshall Dennehey
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Seton Hall Law alumni
Fellow alumni on the NY register whose admission year is closest to 2009 (excluding same-firm colleagues above).
Same admission year (2009), other cities
NY-registered attorneys admitted in 2009 whose listed office city differs from Roseland, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Ryan Thomas Gannon: closest NY bar admission year outside NJ, and closest out-of-state office cities by how many NY-registered attorneys they list (~677 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2009)
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 Ryan Thomas Gannon with similar attorneys in Roseland.
Compare attorneys →Before you rely on this record
Ryan Thomas Gannon'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 Ryan Gannon licensed?
Ryan Gannon is licensed to practice law in New York.
When was Ryan Thomas Gannon admitted to the bar?
Ryan Thomas Gannon was admitted to the bar in 2009.
Where did Ryan Thomas Gannon go to law school?
Ryan Thomas Gannon attended SETON HALL LAW.
What company does Ryan Thomas Gannon work for?
Ryan Thomas Gannon is associated with Marshall Dennehey in Roseland, NJ.
Is Ryan Thomas Gannon in good standing?
Yes, Ryan Thomas Gannon 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.