A sample client declaration concerning the client's use of its trademark and the defendant's challenged conduct for submission in a trademark infringement or dilution lawsuit. This sample declaration addresses facts that support an infringement or dilution claim, including the history, duration, and extent of use of the plaintiff's trademark, the unsolicited publicity and awards received by the plaintiff's brand, the plaintiff's enforcement of its mark, the defendant's challenged mark and conduct, evidence of actual confusion, and irreparable harm to the plaintiff. This Standard Document has integrated drafting notes with important explanations and drafting tips.