With a single suit filed in the Northern District of Texas, DDC Technology, LLC has added Alphabet (Google), Emerge Technologies, HMD Tech, Landsberg Orora, Pyrite VR, and Structural Graphics (3:22-cv-01263) to its litigation campaign over a portfolio of virtual reality (VR) viewer patents. The defendants are accused of infringement through the provision of VR headsets, including those that support Google Cardboard.