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Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|UK|_|patent law}} 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.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.