PCR dispute drags in researchers

PCR dispute drags in researchers

An ongoing patent suit between Promega Inc. and Hoffmann-LaRoche has taken an unusual turn, with Promega charging that Roche is challenging patent law and practice regarding the "experimental use exception," which Promega said allows scientists engaged in basic research to use patented products and processes without restrictions and without being subject to licensing fees.

Roche has denied that the experimental use exception is its target, pointing out that the new angle in the dispute arose only after it complied with Promega's request to provide a list of more than 40 U.S. universities and

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