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The IPKat notes that a patent involving stem cells filed by the same organisation is currently before the EPO Enlarged Board of Appeal.
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The USPTO has not revoked the patents. The patents are undergoing re-examination. The USPTO has issued Actions rejecting all claims of the 3 patents. WARF has yet to respond. The outcome has not been decided yet. My understanding is that if the patents are revoked, WARF will appeal
ReplyDeleteWARF gave us Warfarin. Originally it killed rodents but since they have become resistant it is widely dispensed to humans.
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