The program will begin July 28, 2008 and end on July 28, 2009 or upon acceptance of 100 requests.   There are special requirements to ensure that the applications are from "diverse technologies."    The concept of the program is to promote work sharing.  For further details, see http://www.uspto.gov/web/offices/pac/dapp/opla/preognotice/triway_pilot_07152008.pdf.