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Q.Name the cancelled biopatent plant which was patented through US patent and Trademark office in 1997 but originated from India.

Manipur CohsemCOHSEM Manipur Higher Secondary Board 2018Subjective· 1mImportance★★★★★
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Turmeric's wound-healing use, patented in the US, was cancelled after India proved it was long-established traditional knowledge, making it the classic Indian biopiracy case.

This question refers to the well-known turmeric (Curcuma longa) biopiracy case. Two researchers at the University of Mississippi Medical Center were granted a US patent for the use of turmeric powder in wound healing. India's Council of Scientific and Industrial Research (CSIR) challenged the patent, presenting extensive documentary evidence — including ancient Sanskrit texts and long-standing traditional/folk use — proving that turmeric's wound-healing property was already well-known, traditional knowledge in India for centuries, and therefore not a novel invention eligible for a patent. Following this evidence, the US Patent and Trademark Office cancel …

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