CopyTele (CTI) announced that is has been awarded a new US Patent that covers electrophoretic displays. The patent relates to improvements in the resolution and response time for particles used to generate images. CTI now has 13 US patents for e-paper electrophoretic displays.

In January 2013 CTI filed a lawsuit against E Ink Holdings, alleging an elaborate scheme to steal valuable, patented electrophoretic display technologies developed by CopyTele. CTI also filed a similar lawsuit against AU Optronics.