http://www.dpreview.com/news/1101/11011106lpadesignpatent.asp
PocketWizard makers LPA Design has filed a patent infringement petition
against Hong Kong-based manufacturer Phottix. LPA Design is claiming radio
communications and auto-switching transceiver technologies introduced for
the first time in the PocketWizard Plus II wireless trigger are being used
by Phottix's latest trigger.