The U.K. patents system penalizes a failure to record a patent transaction at the Patent Office by depriving a successful plaintiff of its entitlement to recover its full legal costs in any subsequent infringement litigation on that patent.
The extent of the litigation sanctions that can be imposed in such circumstances has now been clarified. The U.K. Patents Court’s recent judgment in L’Ore´al v. RN Ventures  EWHC 391, gives guidance both to litigants and to parties to a corporate transaction on the consequences of failing to register a transaction
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