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© Crown Copyright
ULTRAFRAME (UK) LTD v EUROCELL BUILDING PLASTICS LTD
(Mummery, Jacob and Neuberger L.JJ.): May 4–6 and June 24, 20051
[2005] EWCA Civ 761; [2005] R.P.C. 36
Patent—Construction of claim—Meaning of "interengage"—Infringement—Counter-claim for revocation—Novelty—Inventive step.
Design right—Whether design excluded by commonplace provisions—Scope of design field—Expert evidence—Infringement—Expiry of design right—Whether defendant able to offer undertaking to take a licence of right.
Key Words: Claim construction Infringement Patents Statutory licences Time limits Undertakings Unregistered design right
1 Paragraph numbers in this judgment are as assigned by the court.