👉 In legal and business contexts, a "non-signatory" refers to a party that does not have any formal legal or contractual relationship with another party. This could be due to lack of interaction, absence of agreements, or even non-communication. Non-signatories are often referred to as "blanket," "void," or "unjoined" parties in contract law. They can sometimes be seen as a counterparty to a contract if they have not yet signed the agreement or have made any formal