Law360 (April 22, 2021, 6:21 PM EDT) — The Patent Trial and Appeal Board has struck down several claims of a communications patent involved in parallel infringement litigation against Google and Amazon in the Western District of Texas, finding the claims obvious over prior art.
In a 79-page decision issued Wednesday, the PTAB invalidated each of the challenged claims in Hammond Development International Inc.’s communications systems patent for being obvious due to three published…