In May 2006 Intel 's cross-licensing agreement with VIA expired .
In May 2006 Intel 's cross-licensing agreement with VIA was not renewed , which was the reason for the forced termination of C3 shipments on March 31 , 2006 , as VIA lost rights to the socket 370 .
In May 2006 Intel 's cross-licensing agreement with VIA expired and was not renewed , which was the reason for the forced termination of C3 shipments on March 31 , 2006 , as VIA lost rights to the socket 370 .