‘26.The question of what tests are to be applied in deciding what constitutes an obvious imitation and/or is actionable is no longer res integra. This question has been considered in several judicial pronouncements. The leading decisions on the point are the decisions in the case of (Castrol India Limited vs. Tide Water Oil Co. (I) Limited), MANU/WB/0501/1994:1996 P.T.C (16) 202 and Kemp * Co., Vs. Prima Plastics Limited, MANU/MH/0027/1999:1999 (1) Bom. C.R. 239 (O.S): MANU/MH/0027/1999:101 (1) Bom. L.R.65. In both the decisions, the Kolkata High Court and the Bombay High Court have laid down the following propositions as constituting the test to decide whether there is obvious imitation and/or piracy of a registered design. Castrol India Limited Vs. Tide water Oil Co. (I) Limited: (Supra) (i) The word 'imitation' does not mean 'duplication' in the sense that the copy complained of need not be an exact replica. (ii) The Court is required to seen in particular as to whether the essential part or the basis of the Plaintiff's claim for novelty forms part of the infringing copy. (iii) The similarity or difference is to be judged through the eye alone and where the article in respect of which the design is applied is itself the object of purchase, through the eye of the purchaser. (iv) The Court must address its mind as to whether the design adopted by the Defendant was substantially different from the design which was registered. The Court ought to consider the rival designs as a whole to see whether the impugned design is substantially different from the design sought to be enforced. The test laid down on (Bench chairs Ltd. C Chair Center Ltd.), 1974 R.P.C 429 was cited with approval). (v) 'Obvious' means something which, as soon as one looks at it, strikes unmistakable. Fraudulent imitation is an imitation which is based upon, and deliberately based upon, the registered design and is an imitation which may be less apparent than obvious imitation, that is to say, one may have a more subtle distinction between the registered design and a fraudulent imitation and yet the fraudulent imitation, although it is different in some respects from the original, and in respect which render it not obviously and imitation may yet be an imitation perceptible when the two designs are closely scanned and accordingly