New York attorney record · Judicial Dept 2
Matthew Philip Siben
Harvard alumna, admitted to the New York bar in 2001, registered office in Los Angeles, CA. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 2001
- Admitted
- 25
- Years in bar
- 3907516
- NY reg #
The record in one line
With 25 years on the register since a 2001 admission, Matthew Philip Siben ranks among the New York bar's most senior active practitioners, longer-tenured than 61% of the currently-active bar.
- 25 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 39%
- by tenure among active NY attorneys
- Law school
- Harvard
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 3907516 with the New York bar authority has long belonged to Matthew Philip Siben, a veteran practitioner still in active good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under The Rosen Law Firm, located in Los Angeles, CA, ZIP 90071. 5 other attorneys share this firm affiliation in the registry. Educational background: HARVARD.
State context & due diligence
After 25 years on the register, Matthew Philip Siben still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match Matthew Philip Siben's 25 years since admission in 2001. The histogram plots that tenure against every currently-active attorney in the state.
25 years on the New York bar
Years since admission, all currently-active NY attorneys
25 Top 39% higher than 61% 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 Matthew compares to fellow Harvard alumni
Among the 3,070 Harvard graduates in the New York register, Matthew Philip Siben is longer-tenured than 46% - a school-cohort view of experience, alongside the statewide one above.
25 years vs. Harvard alumni
Years since admission - 3,070 NY-registered alumni of this school
25 Top 54% higher than 46% of 3,070 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
The 2001 admission class today
Of the 7,416 attorneys admitted to the New York bar in 2001, 80% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 3907516
- Year Admitted
- 2001 (25 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Apr 2027
Location & Contact
- Company
- The Rosen Law Firm
- City
- Los Angeles, CA
- ZIP Code
- 90071
- Phone
- (760) 933-3466
Education
HARVARD
Status Distribution Across the New York Bar
Matthew Philip Siben'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 The Rosen Law Firm
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Compare attorneys →Before you rely on this record
Matthew Philip Siben'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 Matthew Siben licensed?
Matthew Siben is licensed to practice law in New York.
When was Matthew Philip Siben admitted to the bar?
Matthew Philip Siben's admission to the New York bar dates back to 2001.
Where did Matthew Philip Siben go to law school?
Matthew Philip Siben attended HARVARD.
What company does Matthew Philip Siben work for?
Matthew Philip Siben is associated with The Rosen Law Firm in Los Angeles, CA.
Is Matthew Philip Siben in good standing?
Yes, Matthew Philip Siben 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.