Amelia Marquez is transgender woman and life-long Montanan. John Doe is a transgender man who was born in Montana, but currently lives out of state. Both wish to correct the sex marker on their birth certificates to reflect who they are. However, a law enacted in 2021, Montana Senate Bill 280, sought to prohibit transgender individuals born in Montana from correcting the sex marker listed on their birth certificate without obtaining a court order indicating that their “sex . . . has been changed by surgical procedure.” The ACLU, the ACLU of Montana, and Nixon Peabody LLP have sued, claiming that SB 280 violates the equal protection and due process clauses of the Montana State Constitution.

Transgender adolescents, their parents, and two medical providers who work with transgender youth are challenging a 2023 Montana law that bans gender-affirming care for trans youth. The plaintiffs charge the law with violating their rights under the Montana Constitution, including the right to equal protection, the right to access medical care, and the right of parents to direct the upbringing of their children.

In July 2021, the ACLU, the ACLU of Montana, and the Native American Rights Fund (NARF) filed a class-action lawsuit on behalf of five Indian nations and 18 individual plaintiffs challenging the state of Montana’s failure to fulfill its constitutional mandate to teach public school students the history and culture of the first peoples of Montana in consultation with local tribes.

The American Civil Liberties Union and the ACLU of Montana filed a federal lawsuit on behalf of two American citizens detained by U.S. Customs and Border Protection for speaking Spanish while shopping at a local convenience store in Havre, Montana.

The American Civil Liberties Union, ACLU of Montana, and Terrell Marshall Law Group filed a lawsuit on behalf of Eugene Mitchell, his wife Shayleen Meuchell, and their six-year-old daughter against private entities — bail bondsmen, bounty hunters and insurance companies — who profit off our country’s exploitative, for-profit bail system.