| Declaration submission | Manual patent holder change | Declaration submission | 
		| CN20091137885 | CN20091137885 | CN20091137885 | 
		| 06/05/2009 | 06/05/2009 | 06/05/2009 | 
		| CN101577693 A 11/11/2009 | CN101577693 A 11/11/2009 | CN101577693 A 11/11/2009 | 
		| Method and device for generating pilot pattern, and orthogonal frequency-division multiplexing communication system | Method and device for generating pilot pattern, and orthogonal frequency-division multiplexing communication system | Method and device for generating pilot pattern, and orthogonal frequency-division multiplexing communication system | 
		|  |  |  | 
		|  |  |  | 
		| CHINA | CHINA | CHINA | 
		|  |  |  | 
		| US20080050977P | US20080050977P | US20080050977P | 
		| IND TECHNOLOGY RES INST CO LTD [CN] | Acer Incorporated | Acer Incorporated | 
		|  | US20080050977P;US20080079986P;US20080093520P;US20090431046 | X | 
		|  |  |  |