The defendant filed a motion to stay pending reexamination of the plaintiff’s patent. The district court noted that the plaintiff and defendant are both participants in the oxygen concentrator market. Inogen filed the action on November 4, 2011 asserting infringement of two of its patents. On February 8, 2012, Inova filed a request for inter partes reexamination of both of the patents-in-suit. The PTO acknowledged receipt of the reexamination request and the district court noted that the PTO must decide whether to grant the reexamination request within three months.
After discussing the relevant case law on stays pending reexamination, the district court analyzed the stage of the litigation, simplification of issues, undue prejudice or clear tactical disadvantage to the plaintiff, With respect to the stage of the litigation, the district court noted that Imogen implicitly conceded that the case is in an early stage of litigation and that no discovery dates or trial dates would be set until mid-April. Accordingly, the district court found that this factor weighed in favor of a stay.
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