Question: What do United States v. Nixon and Lone Wolf v. Hitchcock have in common?
Sentence (from "United States v. American Bell Telephone Co."): The decision operated for many decades as a bar to government efforts to seek invalidation of patents that it considered spurious until the Supreme Court limited "Bell Telephone", first to a limited extent in "United States v. United States Gypsum Co.", and then more broadly in "United States v. Glaxo Group Ltd."
Relevant evidence: No