[24] His work desegregated Los Angeles schools (Crawford v. Board of Education), blocked the Trump Administration's rescission of the DACA program (DHS v. Regents of the University of California),[25][26] provided mental health assistance to families separated as a consequence of the Trump Administration “Zero Tolerance” policy (Ms. J.P. v. Barr), and reversed the conviction of Black Panther Geronimo Pratt (In re Pratt).
He helped secure the first decisions recognizing a right to permanent supportive housing on behalf of unhoused veterans (Powers v. McDonough),[32][33] requiring a notice of asylum rights for detained Salvadorans (Orantes-Hernandez v. Smith), invalidating the use of the SAT in California state universities (Smith v. Regents of the State of California),[34][35][36] and appointing counsel for minors in immigration detention cases (Perez-Funez v.
[37] Additionally, he was part of the team that brought litigation to end harassment of activist and actress Jane Fonda and LAPD police spying on activists in Los Angeles (CAPA v. LAPD) and enjoined the closing of County General and Rancho Los Amigos hospitals (Rodde v. Bonta)[38] and helped represent filmmakers Emile de Antonio, Haskell Wexler, and Mary Lampson to quash the subpoena seeking outtakes of their documentary on the Weather Underground under the First Amendment.
[48] He also led plaintiffs in a lawsuit against California, securing a landmark $2 billion settlement for pandemic recovery, benefiting disadvantaged students' access to online learning.
[49][50][51] Rosenbaum represented Pedro Guzman, who was wrongfully deported to Mexico by U.S. Immigration and Customs Enforcement in 2007 due to mistaken identity.
He led the legal battle for Souhair Khatib, who sued Orange County under RLUIPA for being forced to remove her hijab in a courthouse holding facility.