Sigma-Aldrich Corp. suing Open Biosystems over research tool patent

Sigma-Aldrich Corp. and Oxford BioMedica are suing Open Biosystems Inc. in ED Mo for alleged patent infringement on a tool used in genetic research. Sigma-Aldrich in October 2005 obtained an exclusive license on Lentiviral LTR Deleted Vector technology from Oxford BioMedica, a British gene therapy company. The two firms claim that Open Biosystems, of Huntsville, Ala., is marketing and selling a product to researchers that infringes on their intellectual property on the research tool.



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