New York attorney record · Judicial Dept 3
Zengjian Yao
University Of Illinois alumna, admitted to the New York bar in 2004, registered office in Pleasanton, CA. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2004
- Admitted
- 22
- Years in bar
- 4220034
- NY reg #
The record in one line
Zengjian Yao 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"
- #14 of 38
- by tenure in Pleasanton office peers
- Law school
- University Of Illinois
Data updated September 2026
What this profile tells you
Bar status & tenure
Zengjian Yao carries New York bar registration 4220034, an established, active practitioner in good 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 David Zengjian Yao, located in Pleasanton, CA, ZIP 94588. Educational background: UNIVERSITY OF ILLINOIS (182 registered alumni).
State context & due diligence
With an established practice on record, Zengjian Yao 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
Zengjian Yao 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
Tenure among Pleasanton, CA office peers
Within Pleasanton, CA's 38-attorney local set, Zengjian Yao is #14 by tenure, a small-cohort read, not a statewide claim. See the Pleasanton attorney directory .
- Local rank
- #14
- City cohort
- 38
- Local percentile
- 34th
- Admitted
- 2004
Nearest tenure peers in Pleasanton
- Peggy Burnet Nicholson admitted 2004 · 22 yr
- Marcus Charles Sands admitted 2004 · 22 yr
- Leon Emmanuel Jew admitted 2003 · 23 yr
- Fulvio Antonio Picerno admitted 2005 · 21 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 September 2026. Derived local rank, not published upstream.
How Zengjian compares to fellow University Of Illinois alumni
Among the 131 University Of Illinois graduates in the New York register, Zengjian Yao is longer-tenured than 40%.
22 years vs. University Of Illinois alumni
Years since admission - 131 NY-registered alumni of this school
22 Top 60% higher than 40% of 131 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
University Of Illinois's active-bar rate
Of University Of Illinois's 182 alumni in the New York register, 60.4% currently hold "Currently registered" status, below the statewide average.
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
- 4220034
- Year Admitted
- 2004 (22 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Nov 2026
Location & Contact
- Company
- Law Offices Of David Zengjian Yao
- City
- Pleasanton, CA
- ZIP Code
- 94588
- Phone
- (510) 386-0088
Education
Status Distribution Across the New York Bar
Zengjian Yao'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 University Of Illinois 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 Pleasanton, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Zengjian Yao: closest NY bar admission year outside CA, and closest out-of-state office cities by how many NY-registered attorneys they list (~39 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2004)
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 Pleasanton, CA
Compare credentials side-by-side
Compare Zengjian Yao with similar attorneys in Pleasanton.
Compare attorneys →Before you rely on this record
Zengjian Yao'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 Zengjian Yao licensed?
Zengjian Yao is licensed to practice law in New York.
When was Zengjian Yao admitted to the bar?
Zengjian Yao was admitted to the bar in 2004.
Where did Zengjian Yao go to law school?
Zengjian Yao attended UNIVERSITY OF ILLINOIS.
What company does Zengjian Yao work for?
Zengjian Yao is associated with Law Offices Of David Zengjian Yao in Pleasanton, CA.
Is Zengjian Yao in good standing?
Yes, Zengjian Yao 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.