Comment on Lawsuit: T-Mobile must pay for breaking lifetime price guarantee
MondayToFriday@lemmy.ca 3 months agoMarketing promises effectively constitute a binding unilateral offer, for the purposes of contract law. When a customer signs up, you also have acceptance, consideration, and intention, thus forming a valid contract. Carlill v Carbolic Smoke Ball Company is the classic case in English contract law; the principles are basically the same in the US.