(June 5, 2019, 1:12 PM EDT) -- ALEXANDRIA, Va. — In a June 3 petition, a solar energy company told the Patent Trial and Appeal Board that a claimed method for manufacturing solar cells and a resulting structure would have been obvious to a person of skill in the art (POSITA) (REC Solar Pte. Ltd. v. Hanwha Q CELLS & Advanced Materials Corporation, No. IPR2019-01145, PTAB)....