Vishay Intertechnology (all named in an amended complaint filed in the original Digi-Key suit). The single patent asserted throughout (6,861,270), generally related to manufacturing a semiconductor with gallium nitride wherein a second layer of that material, among other things, is a "light emitting layer", issued to Nitride Semiconductors in March 2005. It has an estimated priority date in June 2000. The plaintiff pleads that it was founded in 2000 "out of the Nitride Semiconductor Laboratory at Tokushima University in Japan", that it developed "the world's first UV LED in 2000", and that it continues to make and sell "epitaxial wafers, UV LED chips, UV LED lamps, and UV LED appliances". Currently