Patents Act, 1970 Section 64

Application for revocation of patent . Invention titled "IMPROVED THRESHING AND SEPARATING MACHINE" It is a fact that such a knowledge is available in country for a long time, which every skilled worker in that field is, expected to know would be sufficient to invalidate a patent Concept of novelty with care has to be examined — It is not a mere mechanical application of mind or an "inevitable result" rule—Respondent specifically characterized the inventive features in his principal claim defining the scope of the invention which he sought to protect — Applicant's document does not anticipate the respondent's claim — Application for revocation, dismissed.