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Based on this reasoning, the United States Copyright Office Compendium, the Office’s manual for examiners, states that a mere listing of ingredients or contents is not copyrightable, as lists are not protected by copyright law (chapter 314.4(F)). The Office has also stated that a “simple set of directions” is uncopyrightable.

In addition, courts have found that recipes are wholly factual and functional, and therefore uncopyrightable. As the Sixth Circuit described in Tomaydo-Tomahdo, LLC v. Vozary, “the list of ingredients is merely a factual statement, and as previously discussed, facts are not copyrightable. Furthermore, a recipe’s instructions, as functional directions, are statutorily excluded from copyright protection.”

https://copyrightalliance.org/are-recipes-cookbooks-protecte...