Gonzales v. Carhart (2007): Ginsburg wrote the dissent in the 5-4 case, which upheld a 2003 law passed by Congress outlawing a form of late-term abortion. The majority ruled that it was not an undue burden on abortion rights. 

"The act, and the court’s defense of it, cannot be understood as anything other than an effort to chip away at a right declared again and again by this court – and with increasing comprehension of its centrality to women’s lives."

Shelby County v. Holder (2013): Perhaps Ginsburg's most famous dissent criticized Chief Justice John Roberts' 5-4 ruling that struck down a key section of the Voting Rights Act, freeing mostly Southern states from having to clear voting changes with the federal government.
 

"Throwing out preclearance when it has worked and is continuing to work to stop discriminatory changes is like throwing away your umbrella in a rainstorm because you are not getting wet."

Burwell v. Hobby Lobby Stores (2014): Ginsburg wrote the dissent in the 5-4 case, which determined that family-owned and other closely held companies cannot be forced to offer insurance coverage for certain birth control methods they equate with abortion.
 

"Approving some religious claims while deeming others unworthy of accommodation could be perceived as favoring one religion over another, the very risk the Establishment Clause was designed to preclude. The court, I fear, has ventured into a minefield."