Docket: - ITR

Before the discovery of ranitidine the most successful API used to relieve ulcers was cimetidine. Cimetidine was marketed by a competitor of the appellant under the brand name Tagamet. Ranitidine was discovered by the appellant's parent company in 1976 and was approved for sale in Canada in 1981. Zantac was launched by the appellant in 1982. ................
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