After hitting AT&T (AT&T Mobility and other subsidiaries) last month, Adaptive Spectrum and Signal Alignment, Inc. (ASSIA) has sued Charter Communications (various subsidiaries) (2:24-cv-00124) over the provision of a wide array of networking products, including those that support DOCSIS 3.1 and later, implement the Wi-Fi Agile Multiband specification, support the OpenSync architecture, and are capable of providing LAN and WAN interfaces. The litigation has been filed in the Eastern District of Texas, before Chief Judge Rodney Gilstrap.

Adaptive Spectrum and Signal Alignment, Incorporated (ASSIA) has sued AT&T (AT&T Mobility and other subsidiaries) (2:24-cv-00029) over the provision of networking products (e.g., customer premises equipment, DSLAMs, and gateways) and services that are compliant with certain DSL-related standards such as ITU-T ADSL2 (G.992.3), VDSL2 (G.993.2), G.vector (G.993.5), G.inp (G.998.4), G.ploam (G.997.1), G.fast (G.9701), G.mgfast (G.9711), and G.hn (G.9960, G.9961). ASSIA describes the four patents-in-suit as “relate[d] to various improvements in DSL and other wireline technology”, each naming ASSIA CEO and Stanford University professor John Cioffi as an inventor.