New York attorney record · Judicial Dept 3
Lan Du
Washington University In St. Louis Law School alumna, admitted to the New York bar in 2017, registered office in Hacienda Heights, CA. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2017
- Admitted
- 9
- Years in bar
- 5548789
- NY reg #
The record in one line
Admitted in 2017, Lan Du has built 9 years of active New York practice - more tenure than 12% of the state's currently-active attorneys.
- 9 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 88%
- by tenure among active NY attorneys
- Law school
- Washington University In St. Louis Law School
Data updated May 2026
What this profile tells you
Bar status & tenure
Bar number 5548789 on the New York register belongs to Lan 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 Law Offices Of Lan Du, P.C., located in Hacienda Heights, CA, ZIP 91745. Educational background: WASHINGTON UNIVERSITY IN ST. LOUIS LAW SCHOOL (3 registered alumni).
State context & due diligence
Lan 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
9 years into an active New York practice since a 2017 admission, Lan Du sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
9 years on the New York bar
Years since admission, all currently-active NY attorneys
9 Top 88% higher than 12% 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
Washington University In St. Louis Law School's active-bar rate
Of Washington University In St. Louis Law School's 3 alumni in the New York register, 33.3% currently hold "Currently registered" status, below the statewide average.
Washington University In St. Louis Law School alumni, active-bar rate
The 2017 admission class today
Of the 8,202 attorneys admitted to the New York bar in 2017, 91.3% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5548789
- Year Admitted
- 2017 (9 yrs · mid-career)
- Judicial Department
- 3
- Next Registration
- Feb 2027
Location & Contact
- Company
- Law Offices Of Lan Du, P.C.
- City
- Hacienda Heights, CA
- ZIP Code
- 91745
- Phone
- (626) 410-3136
Status Distribution Across the New York Bar
Lan Du'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.
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Lan 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 Lan Du licensed?
Lan Du is licensed to practice law in New York.
When was Lan Du admitted to the bar?
Lan Du has been on the New York bar register since 2017.
Where did Lan Du go to law school?
Lan Du attended WASHINGTON UNIVERSITY IN ST. LOUIS LAW SCHOOL.
What company does Lan Du work for?
Lan Du is associated with Law Offices Of Lan Du, P.C. in Hacienda Heights, CA.
Is Lan Du in good standing?
Yes, Lan Du 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.