A Practice Note for drafting an answer to a patent infringement complaint according to the Federal Rules of Civil Procedure (FRCP). Specifically, this Practice Note explains how to compute and extend the time to answer, draft the caption, demand a jury trial, structure the body of the answer, respond to the complaint's allegations, assert defenses, and serve and file the answer. This Note also explains how to prepare the accused infringer's Rule 7.1 corporate disclosure statement.