Legal Definition of Endorsement: Signing a check or note, or other negotiable document, so that the rights granted by the check or note are transferred to another person. (When someone endorses a check, it permits the check to be cashed or deposited by another person.) | Learn about the legal definition of endorsement and its different types in this comprehensive guide. Discover how endorsement facilitates financial transactions, ensures payment security, promotes legal compliance, and enhances trust and credibility. Ensure you endorse checks correctly by following the appropriate guidelines and legal requirements to protect your interests and maintain your business’s credibility. Click here to gain a clear understanding of endorsement as a business owner