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Chiron Stakes Out Its Territory

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Science  02 Jul 1999:
Vol. 285, Issue 5424, pp. 28
DOI: 10.1126/science.285.5424.28

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Chiron Corp., discoverer of the hepatitis C virus, has aggressively defended its HCV-related patents, filing suit against Murex, Organon Teknika, and Hoffmann-La Roche, charging the companies with selling HCV blood tests without paying licensing fees. Last July, it went after four companies involved in HCV drug research. Some researchers say the lawsuits are having a chilling effect on the field.