Apple Sued for Patent Infringement on LED Patents

Submitted by patentadmin on Sat, 10/13/2012 - 22:02

October 13, 2012 - A company called LED Tech Development LLC filed a patent infringement lawsuit against Apple, claiming that the iPad 3 and MacBook Pro infringe on four patents covering the use of pulse-width modulation signals to drive light-emitting diodes.

LED Tech says that during the discovery process, it determined that Apple was willfully infringing its patents. The lawsuit was filed in the U.S. District Court for the District of Delaware.