Its 2019 suits stayed to await the outcome of several inter partes reviews (IPRs) of the patents there in suit, Parus Holdings, Inc. has sued prior defendant Alphabet (Google) (6:21-cv-00570) and new defendant Microsoft (6:21-cv-00571), asserting overlapping subsets of three patents from the same family. The plaintiff again targets the provision of products that feature virtual assistants: for Google, the incorporation of Google Assistant in its various Chromecast, Fitbit, Google Glass, Nest, Pixel, and Stadia products; and for Microsoft, the incorporation of Cortana in its Microsoft Surface, Microsoft Windows 10, and Microsoft Windows 10 Mobile products.