Bell Semiconductor, LLC (Bell Semic) has expanded its second litigation campaign over patents acquired from Broadcom with suits against Ambarella (3:22-cv-00273), Ampere Computing (3:22-cv-01435), ASMedia Technology (1:22-cv-08166), Lattice Semiconductor (3:22-cv-01437), Phison Electronics (1:22-cv-02485), Rockchip Electronics (4:22-cv-00819), and Sequans Communications (0:22-cv-02344) filed in various districts. The asserted patents generally relate to inserting dummy fill into a circuit design, with the defendants accused of infringement through the provision of semiconductor devices that are manufactured using certain design tools provided by Cadence, Synopsys, and/or Siemens.