On April 15, 2009, ALJ Theodore R. Essex issued Order No. 4 in Certain Optoelectronic Devices, Components Thereof, and Products Containing the Same (337-TA-669).

In the Order, ALJ Essex set the procedural schedule for the investigation.  He included a provision for the early exchange of claim construction terms and proposed constructions, and scheduled the evidentiary hearing to begin on October 19, 2009.