Breyer served as an Associate Justice on the US Supreme Court from 1994 to 2022.

He was considered a liberal-leaning justice, notable for his support of LGBT rights in Supreme Court cases.

• In one notable case, Boy Scouts of America v. Dale, he dissented against the majority in favor of James Dale, an openly homosexual man who wished to serve as a Boy Scout leader. In his early career, Breyer served as a law clerk for Supreme Court Justice Arthur Goldberg.