A claim that recites a combination of prior art elements may be obvious when the combination merely involves the use of a “known technique” that “has been used to improve one device” to “improve similar devices in the same way.”
Don’t Xerox conclusory assertions in the expert declaration
Expert testimony can be critical to support or defend against invalidity challenges in AIA trials, but must be adequately explained to be effective. In Xerox Corp. v. Bytemark, Inc., IPR2022-00624, Paper 12 (PTAB Feb. 10, 2023), Director Vidal