11 April 2013 18:02 [Source: ICIS news]
Butamax, a joint venture between BP and DuPont, praised an Action Closing Prosecution (ACP) decision this week by the US Patent and Trademark Office (USPTO) that rejected all claims of Gevo’s “808 patent”, which Gevo had said was key to its fermentation technology, Butamax said in a press release.
The “808 patent” is the first of the seven Gevo patents subject to re-examination at the USPTO to receive an ACP, Butamax said.
Butamax also recently petitioned the USPTO to review two other patents related to that patent.
Meanwhile, Gevo announced on Thursday that the US District Court in
The final judgement resulted from the court's finding that certain claims were invalid, Butamax's admission that Gevo does not literally infringe under the court's construction of the claims and the court's finding that Gevo does not infringe under the doctrine of equivalents, Gevo said in a press release.
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