Hi - yes, its actually very easy to do. I simply create a new catalog, then File > Import Items > From Catalog File. Or I just select the images from one catalog and drag and drop them to a new one.
I just tried to copy the catalogue sets from one catalog to another and did file- import items- from catalog file but nothing changed. the new catalog set folder stayed empty.
right now we have created a catalog template where i have added all the catalog sets i could think off, saved it as that without importing any images into that catalog and so i always open that first and then drag and drop the folder of images into that . is that the right way to do?