Wrapped up: Everseal Stationery Products Ltd v Document Management Solutions Ltd
Not all patented inventions are high tech. The title of the patent in Everseal Stationery Products Ltd v Document Management Solutions Ltd. and Others [2015] EWHC 842 (IPEC) (1 April 2015) was "Mailer with self-adhesive closure". The principal claim was for "1. A business form with an adhesive closure having one or more adhesive regions for holding the form on a folded condition, characterised by the use on the adhesive region of a non-tacky layer of a dry self-sealing contact adhesive, which in the folded condition self-seals irreversibly to an opposed adhesive region also carrying a said contact adhesive, the adhesive being selected to self-seal irreversibly under a pressure of 500 kPa or less." The defendant, Document Management Solutions Ltd . ("DMS") was accused by Everseal Stationery Products Ltd ("ESP") of supplying mailers to a company called Mastermailer Stationery Limited ("Mastermailer") which had ...