Another Decision on Equivalents - Marflow Engineering Ltd v Cassellie Ltd

Jane Lambert Intellectual Property Enterprise Court (HH Judge Hacon) Marflow Engineering Ltd v Cassellie Ltd [2019] EWHC 410 (IPEC) (26 Feb 2019) This was another decision by his Honour Judge Hacon on the construction of claims in accordance with art 2 of the Protocol on the Interpretation of art 69 of the European Patent Convention . It follows his judgments in Regen Lab SA v Estar Medical Ltd and others [2019] EWHC 63 (Pat) and Technetix BV and others v Teleste Ltd . [2019] EWHC 126 (IPEC) which I discussed in Patents - Regen Lab SA v Estar Medical Ltd . 24 Jan 2019 and Patents - Technetix BV and others v Teleste Ltd 19 Feb 2019. The Invention The patent in suit was for a method of installing a fluid-using appliance such as a shower. The invention addressed problems arising when an appliance is connected to pipework extending from the wall against which the appliance is install...