Helsinn v. Teva — Six months and counting

It has been more than six months since the Federal Circuit heard oral argument in Helsinn v. Teva, which dealt with whether the AIA overruled Metallizing Engineering in regard to secret commercial use.  The oral argument was covered by the Written Description blog:  [Link].  Six months+ is quite a long time for the Federal Circuit to take to write an opinion, even with dissents.  Is it too early to wonder if this secretly went en banc?

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