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

Challenged claims of Lumenco LLC’s patent that discloses an anti-counterfeiting device configured to write images with light in one, two, or more spatial planes above and below a surface of an array of micro mirrors are unpatentable as obvious over prior art, the Patent Trial and Appeal Board said, in an inter partes review by Giesecke+Devrient GmbH, Giesecke+Devrient Currency Technology GmbH, and Papierfabrik Louisenthal GmbH. The challenged claims are obvious over various combinations of prior art, including prior art that discloses a visually variable security element; a security element and value document comprising such a security element and method for ...