NY-register offices in Diamond Bar, CA

16 registered attorneys

Diamond Bar, CA - local register slice

Rank #75 of 175CA cities by NY office-row count.

Admission years on file: 1994–2025 (median 2009) across 16 dated rows. Longest-tenured listed office peers: Min-I Hsu (1994) , Mark Sangil Lee (1997) , Chuanning Wang (2002) .

Diamond Bar thin-register status mix

Currently registered dominates the Diamond Bar book at 81% (13 of 16 rows, mix index 6,797).

University Of Southern California Gould School Of Law accounts for 50% of the 4 school-tagged rows here.

Mix index is HHI×10,000 on OCA status shares and on school-named rows. Distinct from the statewide rank line above.

Diamond Bar ZIP-led office book

Diamond Bar spreads named employers across 13 firms (mix index 769); Beta First, Inc. leads at 1 of 13 named rows.

2 ZIP codes on file - 91765 leads at 81%.

Judicial dept 3 covers 69% of dept-tagged rows (11 of 3 departments present).

Admission years cluster in the 2000s (44% of 16 dated rows).

Derived from employer, ZIP, judicial-department, and admission-year fields on the same OCA extract - not a market-quality ranking.

Diamond Bar registration renewal calendar

Next-registration months spread wide here - 10 distinct calendar months on file, no single month over 19% (Nov tops the list).

Renewal years run 2025–2028; 2027 alone is 50%.

Median admission year 2008; mean tenure ~17.4 years on dated rows.

Next-registration month/year comes from the OCA extract (birthday-linked renewal window) - an administrative calendar, not a quality or discipline ranking.

Diamond Bar corporate-led employer book

corporate / other employers lead this 16-row book at 50% (top named: Beta First, Inc.).

3 blank-employer rows sit beside the named book.

Also present: law firms (5).

Roles are heuristic labels on OCA employer strings (government, law firm, education, military, corporate, blank) - not a practice-area or quality ranking.

Register status - Diamond Bar

office rows

What this shows 13 Currently registered of 16.

Source NY OCA Attorney Registrations via data.ny.gov As of 2026-08-06
Name Status
Michael I-Chuan Chen Currently registered
Armen Garabedian Currently registered
Wengang He Currently registered
Min-I Hsu Currently registered
Vivian Jeng Currently registered
Mark Sangil Lee Suspended, delinquent
Michelle Xuesong Lee Currently registered
Peiwen C. Liu Currently registered
Melissa Anne Manning Currently registered
Ryan Patrick Mansell Currently registered
Qingguo Meng Currently registered
Seong Won Park Currently registered
Mohammad Vakil Due to reregister within 30 days of birthday
Chuanning Wang Suspended, delinquent
Xiao Yang Currently registered
Jenny Jian Hong Zhao Currently registered

Showing 1–16 of 16 attorneys

Diamond Bar's nearest office-count peers

Cities nearest Diamond Bar on NY office-row count (16).

Source: NY Office of Court Administration via data.ny.gov - attorney registration counts.