To my knowledge, these have never been officially licensed and produced. Years ago you could buy them off of ebay, but the patterns were digitized by amateurs. Most of them did not sew up very well on my machine. When I google "Star Wars embroidery designs," I see the same ones I got off of ebay. I am sure the ones on iOffer are legitimate. It is a site where a lot of ebay sellers went to when they left ebay.
Best of luck to you. If you find any that work well, I'd love to know where you found them!