Yours Naturally Naturally Yours Limited v Kate McIver Skin Limited & Anor.

Decision date: 20 April 2023

Neutral citation: [2023] EWHC 890 (IPEC)

Overall AI summary confidence: high

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Short overview

This short overview is intended to summarise the case, issues and outcome so far as they are supported by the judgment.

AI confidence in this short overview: high

This judgment concerns a dispute over an anti-age serum called "Elixir" between Yours Naturally Naturally Yours Limited (YNNY) and Kate McIver Skin Ltd/the late Kate McIver's estate. The court found that the defendants misrepresented that Ms McIver created the Elixir, establishing passing off and damage to YNNY's goodwill, dismissed claims in malicious falsehood and unlawful means for lack of proven pecuniary loss or intent, and found copyright infringement for defendants' use of YNNY's marketing text after a bare licence ended on 30 November 2018.

Ratio decidendi

This summary is intended to identify the ratio decidendi, meaning the legal reasons for deciding and the binding part of the decision.

AI confidence in this ratio decidendi summary: high

From the judgment as recorded: a trader who acquires and sells a product under a trade name can possess goodwill in that name sufficient to sustain a passing off claim against a rival who falsely claims authorship; a licence to use marketing text that is conditional on continued supply may terminate when supply ceases, and post-termination use can infringe copyright; and falsity plus malice alone will not support a malicious falsehood claim absent proof of special or pecuniary damage.

Obiter dicta

This summary is intended to identify obiter dicta, meaning observations made by the way that were not necessary to deciding the case and are not binding.

AI confidence in this obiter dicta summary: medium

The notes record dicta to the effect that personally persuasive marketing narratives do not justify false claims of authorship, and that continued branding of reformulated products as "original" can risk dilution of a claimant's brand distinctiveness; credibility findings on motive and knowledge inform but do not by themselves establish pecuniary damage.