Last May, Atlantic IP Services Limited plaintiff Iarnach Technologies Limited sued AT&T (AT&T Mobility and several other subsidiaries) in the Eastern District of Texas over optical networking patents received from ZTE earlier in 2023. Nokia successfully intervened in September, the case moving into discovery. Now, Iarnach has filed a second suit, also in East Texas, this one against Verizon (Verizon Wireless and several other subsidiaries) (2:23-cv-00631), over the same five patents, infringement allegations again focused on the provision of “all components necessary”—including “hardware and software, optical line terminals (ONTs), and optical network units (ONUs)/optical network terminals (ONTs)”—for providing its fiber-optic networks and network services.