Arrow declaration
nounEtymology Named after Arrow Generics Ltd. v Merck & Co Inc [2007] EWHC 1900 (Pat), in which it was originally suggested that this mechanism would be available as a declaratory relief.
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Intellectual property, Law, Patent law UK A declaration or order sought, for reasons of legal certainty, from a court that a product or process to be launched was old (i.e., not novel) or obvious in patent law terms at a particular date, so that the product (or process) cannot be affected by (i.e., cannot infringe) any later granted patent, which would itself necessarily also either lack novelty or inventive step.