New York attorney record · Judicial Dept 3
Matthew Seth Katz
Harvard Law School alumna, admitted to the New York bar in 2018, registered office in Washington, DC. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2018
- Admitted
- 8
- Years in bar
- 5664925
- NY reg #
The record in one line
Matthew Seth Katz appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 2018 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 8 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- Law school
- Harvard Law School
Data updated May 2026
What this profile tells you
Bar status & tenure
Matthew Seth Katz is registered as bar number 5664925 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 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Sidley Austin LLP, located in Washington, DC, ZIP 20005. 5 other attorneys share this firm affiliation in the registry. Educational background: Harvard Law School (16,595 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.
How Matthew compares to fellow Harvard Law School alumni
Among the 8,587 Harvard Law School graduates in the New York register, Matthew Seth Katz is longer-tenured than 15% - a school-cohort view of experience, alongside the statewide one above.
8 years vs. Harvard Law School alumni
Years since admission - 8,587 NY-registered alumni of this school
8 Top 85% higher than 15% of 8,587 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
Harvard Law School's active-bar rate
Of Harvard Law School's 16,595 alumni in the New York register, 73.6% currently hold "Currently registered" status, above the statewide average.
Harvard Law School alumni, active-bar rate
The 2018 admission class today
Of the 8,750 attorneys admitted to the New York bar in 2018, 73.2% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Due to reregister within 30 days of birthday
- Registration Number
- 5664925
- Year Admitted
- 2018 (8 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- May 2026
Location & Contact
- Company
- Sidley Austin LLP
- City
- Washington, DC
- ZIP Code
- 20005
- Phone
- (202) 736-8362
Education
Status Distribution Across the New York Bar
Matthew Seth Katz's current status, "Due to reregister within 30 days of birthday", places this record outside 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 Sidley Austin LLP
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Washington, DC
Compare credentials side-by-side
Compare Matthew Seth Katz with similar attorneys in Washington.
Compare attorneys →Before you rely on this record
Matthew Seth Katz 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 Matthew Katz licensed?
Matthew Katz is licensed to practice law in New York.
When was Matthew Seth Katz admitted to the bar?
Matthew Seth Katz has been on the New York bar register since 2018.
Where did Matthew Seth Katz go to law school?
Matthew Seth Katz attended Harvard Law School.
What company does Matthew Seth Katz work for?
Matthew Seth Katz is associated with Sidley Austin LLP in Washington, DC.
Is Matthew Seth Katz in good standing?
Not currently, Matthew Seth Katz's listed status is "Due to reregister within 30 days of birthday", not active standing. Confirm current status with the state bar.
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.