Case: Patents/Obviousness (P.T.A.B.)

The Patent Trial and Appeal Board determined that some challenged claims of Maxeon Solar Pte. Ltd.'s patent that discloses structures for a relatively efficient and cost-effective front contact solar cell are unpatentable as obvious over prior art, in an inter partes review by Hanwha Solutions Corporation. The board said that some challenged claims are obvious over prior art directed to solar cells and a method of manufacturing solar cells, directed to solar cells and a method of manufacturing solar cells, and directed to solar cells and a method of manufacturing solar cells that addresses light induced degradation of boron doped ...