creo7 config.pro option documentation for: RETAIN_COMMON_NAME_ON_COPY 
retain_common_name_on_copy
yes
, no
*
Specifies whether the common name of a model is retained by its copy so that the common names of the original model and its copy are the same. If the copy of the model does not retain the common name of the original model, the copy is assigned its new file name as its common name.
yes
- The common name of the original model is retained by its copy so that the original model and its copy have the same common name.
no
- The common name of the original model is not retained by its copy. The newly-created copy of the original model is assigned its new file name as its common name. This is the default.