Important elements of a powerful stop and desist letter involve obvious identification with the parties involved, unique violation facts, demands for compliance, and deadlines for response. If you receive a copyright infringement notice, generally the copyright holder will simply just request you to "stop and desist" use of your copyright. https://waylonnaksc.ourcodeblog.com/33056456/not-known-factual-statements-about-what-to-do-if-you-receive-a-notice-of-intellectual-property