1.
Sears Tower, Chicago IL
?, Tokyo
2.
Chrysler Building, New York, NY
1 and 2 Liberty Place, Philly, PA
Zhongtian International Mansion, Urumqi, China
?, Santiago, Chile
With the instances of complete and inexecusable plaigerism such as the Liberty Place/Chinese copy and 1 PPG/S. Korean church I think there really should be some legal consequences.
Oh, and by the way, all of Cesar Pelli's buildings look the same, anyway.