Graver Tank and Manufacturing Co Inc v Linde Air Products Co: 29 May 1950

(United States Supreme Court) Jackson J discussed the doctrine of equivalents so as to prevent ‘the unscrupulous copyist [from making] unimportant and insubstantial changes and substitutions in the patent which, though adding nothing, would be enough to take the copied matter outside the claim, and hence outside the reach of law’
Jackson J
[1950] USSC 54, 339 US 605, 70 S.Ct. 854
United States
Cited by:
CitedEli Lilly v Actavis UK Ltd and Others SC 12-Jul-2017
The issue raised on this appeal and cross-appeal is whether three products manufactured by Actavis would infringe a patent whose proprietor is Lilly, namely European Patent (UK) No 1 313 508, and its corresponding designations in France, Italy and . .

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Updated: 23 February 2021; Ref: scu.631408