Complex sentence: The FeaturePak Initiative subsequently was superseded by a California nonprofit corporation known as the FeaturePak Trade Association (FPTA), which assumed the responsibility for maintaining, extending, and promoting the FeaturePak standard and established restrictions and guidelines pertaining to use of the FeaturePak trademark and logos.
Split into simpler sentences: The FeaturePak Initiative subsequently was superseded by a California nonprofit corporation known as the FeaturePak Trade Association (FPTA). The FPTA is now responsible for maintaining, extending, and promoting the FeaturePak standard and has established restrictions and guidelines pertaining use of the FeaturePak trademark and logos.