Jurisdiction(s):
United Kingdom

Key definition

Patent definition

What does Patent mean? A patent is a registrable intellectual property right used in practice to protect a technical invention by giving the owner, in the relevant territory, the exclusive right to stop others making, using, selling or importing the claimed invention without consent. In the UK (England & Wales, Scotland and Northern Ireland) and Ireland, the regime is statutory (Patents Act 1977; Patents Act 1992) and aligned with the European Patent Convention, so usage is broadly consistent. To be patentable, an invention must be new, involve an inventive step, be capable of industrial application and not fall within excluded subject matter (for example,...

Precedent: Grounds of invalidity (novelty, inventive step, insufficiency) for patent infringement claims in the Patents Court/IPEC, Business and Property Courts of England and Wales

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Precedents

Claim No : [ insert claim number ]

IN THE HIGH COURT OF JUSTICE
BUSINESS AND PROPERTY COURTS OF ENGLAND & WALES
Intellectual property LIST (ChD)
[ Patents Court OR Intellectual Property Enterprise Court ]

Between:
[ insert name ] Claimant/Part 20 Defendant
and
[ insert name ] First Defendant/Part 20 Claimant
[ insert name ] Second Defendant/Part 20 Claimant

Grounds of invalidity

Set out below are the Grounds of Invalidity for [ GB Patent OR European Patent (UK) ] [ number ] (the Patent), as identified in the Defence and Counterclaim accompanying these Grounds, and on which the Defendants/Part 20 Claimants intend to rely.

The purported invention, in all claims of the Patent, is not patentable because its subject matter lacked novelty in view of the state of the art at the Patent’s priority date [ and common general knowledge ]...

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Web page updated on 22/05/2026

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