. . . "McDonald's legal cases"@en . . . . . . "McDonald's has been involved in a number of lawsuits and other legal cases in the course of the fast food chain's 70-year history. Many of these have involved trademark issues, but McDonald's has also launched a defamation suit constituting \"the biggest corporate PR disaster in history\"."@en . "McDonald's has been involved in a number of lawsuits and other legal cases in the course of the fast food chain's 70-year history. Many of these have involved trademark issues, but McDonald's has also launched a defamation suit constituting \"the biggest corporate PR disaster in history\"."@en . .