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Matthew James O'Brien

Attorney Advocacy Organization
10 tracked cases
5 active now
2025-01-20 first tracked filing
2026-04-03 most recent filing
Case filings joined per quarter 2025 Q1 – 2026 Q2
Appears alongside Michael P. Sady ×3 Mirian Albert ×3 Ivan Espinoza-Madrigal ×3 Oren M. Sellstrom ×3 Eric Hamilton ×2

The Docket Trail

2026
California v. Trump Active
1:26-cv-11581 filed 2026-04-03 opposing counsel
State of California v. Trump Unresolved
1:26-cv-11581 filed 2026-04-03 opposing counsel
League of Women Voters of Massachusetts v. Trump Active
1:26-cv-11549 filed 2026-04-02 opposing counsel
2025
California v. Noem Active
1:25-cv-13829 filed 2025-12-12 opposing counsel
Haitian Americans United, Inc. v. Trump Decided
1:25-cv-10498 filed 2025-03-03 opposing counsel
State of New Jersey v. Trump Decided
25-1170 filed 2025-02-18 opposing counsel
Doe v. Trump Decided
25-1169 filed 2025-02-18 opposing counsel
New Jersey v. President Trump Active
1:25-cv-10139 filed 2025-01-21 opposing counsel
O. Doe, the Brazilian Worker Center, Inc., and La Colaborativa v. President Trump Active
1:25-cv-10135 filed 2025-01-20 opposing counsel
Dred Scott v. Sandford Teaching/Historical
filed 2025-01-20 opposing counsel