Melbourne, June 18, 2010 - (ABN Newswire<http://www.abnnewswire.net/index.asp?lang=>) - Benitec Limited (ASX:BLT) (PINK:BNIKF) are pleased to announce that US Patent 7727970 "Multiple promoter expression cassettes for simultaneous delivery of RNAi agents targeted to Hepatitis C virus" has been granted by the United States Patent and Trademark Office (USPTO). The granted claims cover the use of an RNA interference construct (with multiple promoters) to inhibit the level of Hepatitis C virus in animal cells, tissues and organs. Moreover, the USPTO has granted Benitec an additional 805 days patent term in recognition of the delays in examining the patent application. Additional related applications remain pending to extend the scope of protection.
Benitec has licensed the rights to use this patent for Hepatitis C exclusively to Tacere Therapeutics, Inc., who recently announced that Pfizer has exercised its option to further develop and commercialise Tacere's Hepatitis C Virus (HCV) compounds.
Benitec's Chief Scientific Officer, Dr Peter French said, "The grant of this patent is an important further recognition of our dominant global position in the transformational DNA-directed RNA interference field and provides increased depth and breadth to our patent portfolio. Benitec's ddRNAi-related patent estate (solely owned or licensed exclusively for humans from CSIRO) currently comprises over 100 patents and patent applications covering 20 jurisdictions, of which more than 30 are granted, accepted or allowed."
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