are located primarily in the New York Office, with a few dozen in the London office, which opened in 1973. The firm opened a Hong Kong office in 1994, closing it nine years later. In 2015, Cravath, Swaine and Moore was the victim of what the firm described as a "limited breach" of its computer network, which The New York Times connected to a 2016 court case against three Chinese hackers who had made more than $4 million from insider information about merger deals. In March 2019, the New-York Historical Society Museum & Library debuted an installation highlighting the firm, which illustrates legal milestones across two centuries, including obtaining patents for both the telegraph and the sewing machine, organizing NBC, and securing equal access to locker rooms for women sports reporters, exhibited "through a collection of unique documents, photographs, and prints." Notable clients and cases In 1848, the firm (then Seward & Blatchford) brought the Jones v. Van Zandt challenge to the constitutionality of slavery. In the early 1940s, the firm represented Esquire in Esquire v. Walker, later Hannegan v. Esquire, Inc., at the U.S. Supreme Court, successfully fighting off the attempted censorship of its magazine by the two postmasters General in 1946. In the 1960s, Cravath lawyers wrote the U.S. Supreme Court brief on behalf of the Congress of Racial Equality’s Freedom rides protesting segregated buses, and were called upon by President John F. Kennedy to help form the Lawyers’ Committee for Civil Rights Under Law. In 1966, the firm helped launch litigation that would become Miranda v. Arizona, which established that states cannot interrogate suspects without informing them of the right to counsel, now implemented as the Miranda warning issued by police to criminal suspects taken into custody. In 1971, as The Washington Post prepared to publish the Pentagon Papers, Cravath reformed the publisher as a public company that was structured to protect editorial freedom. In 1989, the firm argued before the U.S. Supreme Court on behalf of African American and women firefighters in Birmingham, Alabama. The case was a catalyst for the Civil Rights Act of 1991. Cravath concluded successful plaintiff representation in United States v. Jefferson County in December 2020. During 2019 - 2021, Cravath represented Epic Games in litigation against Apple Inc., Epic Games v. Apple, alleging anticompetitive behavior in the distribution of mobile apps and the processing of in-app purchases. Rankings and awards Based