Use the following option to set what happens when you select .
If on, the duplicate surface is parented under the original object that contains the patches. If off, the resulting surface is independent of the original object.
Unlike polygonal facets, you cannot move, rotate, or scale a NURBS patch that is a component of an object. You can move, rotate, or scale a NURBS patch that is a new object created with Duplicate NURBS Patches.