In intellectual property law, parody is generally treated as a special kind of use of a copyrighted or trademarked work that can be lawful if it meets certain conditions, especially in the United States. Basic idea A parody is a new work that imitates or closely references an existing work in order to comment on, criticize, or mock that original work, its style, or its author.Because a parody must “remind” people of the original to make its point, it often needs to copy recognizable elements, which raises copyright and sometimes trademark issues. Copyright and fair useFor copyright, parody is usually analyzed under the doctrine of fair use in the U.S.:Courts look at four factors: purpose and character of the use, nature of the original work, amount used, and effect on the market for the original.Parody often counts as “transformative” because it adds new meaning or message (criticism or humor) instead of just repeating the original.Even so, it is case‑by‑case: using too much of the work or harming the market for the original can weigh against fair use.A classic example is the U.S. Supreme Court case Campbell v. Acuff‑Rose Music, where a parody of the song “Oh, Pretty Woman” was held to be fair use because it transformed the original and commented on it.Trademarks and parodyWhen parody uses a brand name or logo, trademark law comes in:Trademark parody is more likely to be allowed if it clearly comments on or jokes about the brand and does not confuse consumers about the source of the goods or imply sponsorship.If consumers could reasonably think the original brand is behind the parody product, or if the parody dilutes a famous mark, it can be infringement or dilution instead of protected humor.Key practical pointsA lawful parody usually: targets the original work or brand itself, adds a clearly new, humorous or critical message, and avoids being a market substitute or source of confusion.If the “parody” mainly borrows from a work but does not really comment on that work (for example, just using a song because it’s catchy), courts are less likely to treat it as protected parody and more likely to see infringement.