USPTO revives fight over CRISPR patents
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Merck KGaA-owned Sigma-Aldrich has petitioned the US Patent and Trademark Office (USPTO) to open an interference proceeding between its own pending CRISPR-Cas9 patents and patents awarded to the University of California, Berkeley (UC Berkeley).
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Sigma-Aldrich, Merck KGaA, USPTO, CRISPR, Broad Institute, UC Berkeley, MIT, Harvard, Cas9, patent, genome editing