Webinar - Intellectual Property

Judgment update: Claydon Yield-O-Meter v Mzuri – prior use and patent validity

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Claydon Yield-O-Meter v Mzuri tested the general principle of UK patent law that if an invention is ‘disclosed’ before its priority date, it cannot be patented. With Judgment received on 22 April, this webinar focussed on:

The key outcomes
How they affect the law on prior disclosure of patents and invalidity
How the judge applied the recent case of Emson v Hozelock, in which the prior testing of a garden hose on the inventor's front lawn was not found to be a public, enabling disclosure
Practical tips for both inventors and challengers to the validity of a patent (for example defendants in patent proceedings), in terms of how best to prepare and present a case on prior use

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Daniel Kelly

Associate

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