SDL Hair Ltd v Next Row Ltd and others

Patent – Infringement. The first defendant owned a patent concerning an induction heating unit for hair rollers. Letters had been sent on behalf of the first and fourth defendants to the claimant and other companies, alleging infringement of the patent. In earlier proceedings, the claimant had successfully defended a claim, brought by the first defendant, for patent infringement. The Intellectual Property and Enterprise Court made an inquiry into damages and held, among other things, that the first and fourth defendants and were liable for losses, in the sum of £40,500, caused by the letters. The claimant was also entitled to interest.

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