NEW YORK (GenomeWeb) – Illumina announced after the close of the market on Friday that it is suing Ariosa Diagnostics for alleged patent infringement.

In the lawsuit filed in US District Court for the Northern District of California, Illumina has alleged that Ariosa is infringing US Patent No. 7,955,794, titled "Multiplex nucleic acid reactions." According to the patent abstract, the invention covers multiplexing methods for amplifying and/or genotyping samples simultaneously.

The patent was issued in June 2011 to researchers in San Diego and assigned to Illumina.

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