Pullman-Ermator v. Dustcontrol, Court of Patent Appeals Stockholm (Svea Hovrätt Stockholm), 27 April 2010
By Giovanni Gozzo and David Nilsson The Svea Court of Appeal partially invalidated the patent of respondent Dustcontrol, insofar as claim 1 of the patent was concerned. The Court held that it could not be deduced from claim 1 that the filter cartridge at issue in claim 1 must be a unit that neither can…