New York attorney record · Judicial Dept 3
Yiyan Du
University Of Missouri Kansas City School Of Law alumna, admitted to the New York bar in 2021, registered office in Philadelphia, PA. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2021
- Admitted
- 5
- Years in bar
- 5856075
- NY reg #
The record in one line
Admitted in 2021, Yiyan Du has built 5 years of active New York practice - more tenure than 13% of the state's currently-active attorneys.
- 5 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #1602 of 1,853
- by tenure in Philadelphia office peers
- Law school
- University Of Missouri Kansas City School Of Law
Data updated August 2026
What this profile tells you
Bar status & tenure
Bar number 5856075 on the New York register belongs to Yiyan Du, currently in active 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 Klasko Immigration Law Partners, located in Philadelphia, PA, ZIP 19103. 3 other attorneys share this firm affiliation in the registry. Educational background: University of Missouri Kansas City School of Law (51 registered alumni).
State context & due diligence
Yiyan Du is currently part of the New York bar's active cohort, a group the breakdown below sizes against the full register.
Experience vs. the active New York bar
5 years into an active New York practice since a 2021 admission, Yiyan Du sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
5 years on the New York bar
Years since admission, all currently-active NY attorneys
5 Top 87% higher than 13% 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 Philadelphia, PA office peers
Among the 1,853 NY-registered attorneys with a listed office in Philadelphia, PA, Yiyan Du ranks #1,602 by tenure, longer-tenured than 86% of that city cohort. See the Philadelphia attorney directory .
- Local rank
- #1,602
- City cohort
- 1,853
- Local percentile
- 86th
- Admitted
- 2021
Nearest tenure peers in Philadelphia
- Benjamin Eastman Adams admitted 2021 · 5 yr
- Rachel Lynne Armely admitted 2021 · 5 yr
- Deanna Marie Baumle admitted 2021 · 5 yr
- Phil Chi admitted 2021 · 5 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 Yiyan compares to fellow University Of Missouri Kansas City School Of Law alumni
Among the 50 University Of Missouri Kansas City School Of Law graduates in the New York register, Yiyan Du is longer-tenured than 24%.
5 years vs. University Of Missouri Kansas City School Of Law alumni
Years since admission - 50 NY-registered alumni of this school
5 Top 76% higher than 24% of 50 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
University Of Missouri Kansas City School Of Law's active-bar rate
Of University Of Missouri Kansas City School Of Law's 51 alumni in the New York register, 76.5% currently hold "Currently registered" status, above the statewide average.
The 2021 admission class today
Of the 7,829 attorneys admitted to the New York bar in 2021, 96% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5856075
- Year Admitted
- 2021 (5 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Feb 2027
Location & Contact
- Company
- Klasko Immigration Law Partners
- City
- Philadelphia, PA
- ZIP Code
- 19103
- Phone
- (816) 286-0320
Status Distribution Across the New York Bar
Yiyan Du'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: Klasko Immigration Law Partners
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure University Of Missouri Kansas City School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 2021 (excluding same-firm colleagues above).
Same admission year (2021), other cities
NY-registered attorneys admitted in 2021 whose listed office city differs from Philadelphia, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Yiyan Du: closest NY bar admission year outside PA, and closest out-of-state office cities by how many NY-registered attorneys they list (~1,854 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2021)
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 SearchNearby Attorneys in Philadelphia, PA
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Compare Yiyan Du with similar attorneys in Philadelphia.
Compare attorneys →Before you rely on this record
Yiyan Du'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 Yiyan Du licensed?
Yiyan Du is licensed to practice law in New York.
When was Yiyan Du admitted to the bar?
Yiyan Du has been on the New York bar register since 2021.
Where did Yiyan Du go to law school?
Yiyan Du attended University of Missouri Kansas City School of Law.
What company does Yiyan Du work for?
Yiyan Du is associated with Klasko Immigration Law Partners in Philadelphia, PA.
Is Yiyan Du in good standing?
Yes, Yiyan Du 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.