Taiwan Intellectual Property Office－Patents－May I request an invalidation action when a patent becomes extinguished?

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May I request an invalidation action when a patent becomes extinguished?

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When a patent becomes extinguished, only the interested party has recoverable legal interests due to revocation of a patent. Said interested party may file an invalidation action.

Publish Date：2020/09/11
Update： 2025/11/28
Organization：International & Legal Affairs Office
Views：197