The suits, filed in the U.S. District Court in the Western District of Wisconsin and in the U.S. International Trade Commission (ITC), allege that the defendants have infringed various SanDisk system-level patents.

SanDisk seeks damages and a permanent injunction in the federal court actions, as well as a permanent exclusion order from the ITC banning importation of the products into the United States.

In the ITC action, SanDisk is suing numerous companies for infringement of five SanDisk patents, including ACP-EP Memory, A-Data, Apacer,Behavior Computer (d/b/a Emprex), Buffalo, Chipsbank, Corsair Memory, Dane-Elec, Edge Imation/Memorex, Interactive Media (d/b/aKanguru), Kaser, Kingston, LG Electronics, Phison Electronics, PNY, PQI, Silicon Motion, Skymedi, Transcend, TSR (d/b/a T.One), USBest, Verbatim, Welldone Company and Zotek/Zodata (d/b/a Huke).

In the first Wisconsin District Court case, SanDisk is suing numerous companies for infringement of the five patents also at issue in the ITC complaint. They include ACP-EP Memory, A-Data, Apacer, Behavior Computer (d/b/a Emprex), Buffalo, Chipsbank, Corsair Memory, Dane-Elec, Edge, Imation/Memorex, Interactive Media (d/b/a Kanguru), Kingston, LG Electronics, Phison Electronics, PNY, PQI, Silicon Motion, Skymedi, Transcend, TSR (d/b/a T.One), USBest, Verbatim, Welldone Company and Zotek/Zodata (d/b/a Huke).

In the second Wisconsin District Court case, SanDisk is suing numerous companies for infringement of an additional two patents that are not involved in the ITC action or the first Wisconsin District Court case, including A-Data, Apacer, Behavior Computer (d/b/a Emprex) Buffalo,Dane-Elec, Kingston, Phison Electronics, PQI, PNY, Skymedi, Silicon Motion, Transcend, USBest, Verbatim and Zotek/Zodata (d/b/a Huke).