Not sure if this would apply in the US but it has happened elsewhere: "It originally was designated as the "Porsche 901" (901 being its internal project number

Not sure if this would apply in the US but it has happened elsewhere: "It originally was designated as the "Porsche 901" (901 being its internal project number). A total of 82 cars were built as which were badged as 901s.[7] However, French automobile manufacturer Peugeot protested on the grounds that in France it had exclusive rights to car names formed by three numbers with a zero in the middle. Instead of selling the new model with a different name in France, Porsche changed the name to 911" https://en.wikipedia.org/wiki/Porsche_911 https://en.wikipedia.org/wiki/Porsche_911