What defenses are there to trademark infringement or dilution?
Defendants in a trademark infringement or dilution claim can assert basically two types of affirmative defense: fair use or parody. Fair use occurs when a descriptive mark is used in good faith for its primary, rather than secondary (trademark), meaning, and no consumer confusion is likely to result. So, for example, a cereal manufacturer may be able to describe its cereal as consisting of “all bran,” without infringing upon Kelloggs’ rights in the mark “All Bran.” Such a use is purely descriptive, and does not invoke the secondary meaning of the mark. Similarly, in one case, a court held that the defendant’s use of “fish fry” to describe a batter coating for fish was fair use and did not infringe upon the plaintiff’s mark “Fish-Fri.” Zatarain’s, Inc. v. Oak Grove Smokehouse, Inc., 698 F.2d 786 (5th Cir. 1983). Such uses are privileged because they use the terms only in their purely descriptive sense. Some courts have recognized a somewhat different, but closely-related, fair-use defen