What is the case law for English case Brogden v Metropolitan Railway Co?

English case law for Brogden v Metropolitan Railway Co relates to the issue of the formation of contracts by conduct. The case established that in some circumstances, conduct between the parties can be considered an offer and acceptance, leading to the formation of a contract even without an express agreement. The court held that when one party relies on the conduct of another party in such a way that it would be unjust for the latter to deny the existence of a contract, a binding contract can be inferred. This case is significant in English contract law as it expanded the definition of a contract beyond express agreement, and established the principle that a contract can be formed by conduct in certain circumstances.