Window to the Law: Patent Troll Demand Letters

Watch a new video that outlines the options available to an entity that receives a demand letter requesting payment of a licensing fee from a non-practicing entity, or "patent troll."

Download Slide Presentation (PDF: 69 KB)

Related: DDT Patent Challenged as Invalid

Sample Response Letter (DOC: 17 KB)

One option discussed in the video is to demand additional information from the “patent troll.” This is a sample response letter requesting such information. This document is not intended to be and does not constitute legal advice, or a substitute for specific legal advice or opinions. If you choose to respond to a “patent troll” demand letter using this sample, the letter should be modified to address your specific legal needs.

Sample Cease and Desist letter: