State of California, et al. v. Centers for Medicare & Medicaid Services et al.

  1. August 17, 2026

    Mass. Judge Vacates ACA Gender-Affirming Care Restriction

    A Massachusetts federal judge handed a coalition of 21 states a win on their claim that the U.S. Department of Health and Human Services unlawfully issued Affordable Care Act reforms barring marketplace plans from requiring coverage for medical procedures used in gender-affirming care.

  2. October 02, 2025

    Mass. Court Denies States' Bid To Block ACA Subsidy Cuts

    A Massachusetts federal court has rejected a bid by a coalition of 21 states to stay implementation of a rule that will cut Affordable Care Act subsidies and enforce enrollment restrictions, saying the states hadn't shown imminent or irreparable harm from the policy's costs or possible coverage losses.

  3. August 08, 2025

    Administration Says States Can't Second-Guess ACA Changes

    The Trump administration urged a Massachusetts federal court to reject a request by a group of states seeking to stay implementation of new rules that will reduce Affordable Care Act healthcare marketplace subsidies and enforce certain enrollment restrictions.

  4. July 17, 2025

    21 States Fight ACA Rule They Say Guts Health Coverage

    A 21-state coalition led by the attorneys general of California, Massachusetts and New Jersey sued the U.S. Department of Health and Human Services and the Centers for Medicare and Medicaid Services on Thursday, challenging a new Trump administration rule they say unlawfully undermines access to healthcare under the Affordable Care Act.