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Nucleonics Files for Re-Examination of Benitec, CSIRO RNAi Patents in Australia

NEW YORK, Sept. 7 (GenomeWeb News) - US biotech firm Nucleonics said today that it has filed a request with the Commissioner of Patents in Australia to re-examine the validity of an RNAi-related patent previously issued to Benitec and the Commonwealth Scientific and Industrial Research Organization.


Nucleonics alleges that the specific patent in question, "Control of Gene Expression" (Australian patent number 743,316), should be invalid because the claims "lack novelty and do not involve and inventive step." The request cites 24 prior publications in support of the claim.


In March, Benitec filed a patent infringement suit in the USagainst Nucelonics and others for patent number 6,573,099, which covers DNA-directed RNAi. In August, Benitec settled with GenScript and Ambion, the two other companies that were named in the suit.

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