Law-firm weighted NY offices in O Fallon, IL

O Fallon thin-register status mix

Currently registered dominates the O Fallon book at 83% (5 of 6 rows, mix index 7,222).

St. Louis University School Of Law accounts for 60% of the 5 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.

O Fallon employer-concentrated office book

O Fallon office rows concentrate at Manning Gross & Massenburg Llp (50% of 6 named employers; firm mix index 3,333 across 4 firms).

Admission years cluster in the 2010s (67% of 6 dated rows).

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

O Fallon registration renewal calendar

Nov is the busiest renewal month at 33% of 6 next-registration rows.

Renewal years run 2026–2028; 2027 alone is 50%.

Median admission year 2018 (mean tenure ~6.2 years) marks a younger office book.

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

O Fallon law-firm-led employer book

law-firm employers lead this 6-row book at 100% (top named: Manning Gross & Massenburg Llp).

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