Rosaire v. Baroid Sales examines whether prior public experiments can invalidate a patent under Section 102(a). The judgment clarifies that successful, public use of a method by others before the patent application constitutes prior knowledge, resulting in patent invalidation.
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Pidilite Industries vs. Vilas Nemichand Jain.
The Bombay High Court examined the requirements for passing off a descriptive trademark in Pidilite Industries vs Vilas Nemichand Jain. The Court held that plaintiffs must prove both prior use and secondary meaning, dismissing the claim for lack of sufficient evidence.
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