New York attorney record · Judicial Dept 1
Mattia Colonnelli De Gasperis
Columbia University alumna, admitted to the New York bar in 2004. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2004
- Admitted
- 22
- Years in bar
- 4261343
- NY reg #
The record in one line
Mattia Colonnelli De Gasperis has held an active New York bar license for 22 years - admitted in 2004, longer-tenured than 51% of the state's currently-active attorneys.
- 22 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 49%
- by tenure among active NY attorneys
- Law school
- Columbia University
Data updated September 2026
What this profile tells you
Bar status & tenure
Mattia Colonnelli De Gasperis carries New York bar registration 4261343, an established, active practitioner in good standing. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Colonnelli De Gasperis Studio Legale, located in Milan 20121. Educational background: COLUMBIA UNIVERSITY.
State context & due diligence
With an established practice on record, Mattia Colonnelli De Gasperis 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
Mattia Colonnelli De Gasperis was admitted in 2004, giving 22 years on the New York register.
22 years on the New York bar
Years since admission, all currently-active NY attorneys
22 Top 49% higher than 51% 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
How Mattia compares to fellow Columbia University alumni
Among the 1,229 Columbia University graduates in the New York register, Mattia Colonnelli De Gasperis is longer-tenured than 12%.
22 years vs. Columbia University alumni
Years since admission - 1,229 NY-registered alumni of this school
22 Top 88% higher than 12% of 1,229 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
The 2004 admission class today
Of the 8,407 attorneys admitted to the New York bar in 2004, 65.2% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4261343
- Year Admitted
- 2004 (22 yrs · senior)
- Judicial Department
- 1
- Next Registration
- Jan 2028
Location & Contact
- Company
- Colonnelli De Gasperis Studio Legale
- City
- Milan 20121
- Phone
- 0039 0236572260
Education
COLUMBIA UNIVERSITY
Status Distribution Across the New York Bar
Mattia Colonnelli De Gasperis'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.
Near-tenure Columbia University alumni
Fellow alumni on the NY register whose admission year is closest to 2004 (excluding same-firm colleagues above).
Same admission year (2004), other cities
NY-registered attorneys admitted in 2004 whose listed office city differs from Milan 20121, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Out-of-state NY bar peers for Mattia Colonnelli De Gasperis with the closest admission year to 2004. 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.
Verify This Attorney
Verify on NY Courts Attorney SearchBefore you rely on this record
Mattia Colonnelli De Gasperis'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 Mattia Colonnelli De Gasperis licensed?
Mattia Colonnelli De Gasperis is licensed to practice law in New York.
When was Mattia Colonnelli De Gasperis admitted to the bar?
Mattia Colonnelli De Gasperis was admitted to the bar in 2004.
Where did Mattia Colonnelli De Gasperis go to law school?
Mattia Colonnelli De Gasperis attended COLUMBIA UNIVERSITY.
What company does Mattia Colonnelli De Gasperis work for?
Mattia Colonnelli De Gasperis is associated with Colonnelli De Gasperis Studio Legale in Milan 20121.
Is Mattia Colonnelli De Gasperis in good standing?
Yes, Mattia Colonnelli De Gasperis 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.