I ordered one of these from a seller on Amazon. Upon opening the package, there was a distinct smell of latex. The glossy finish on the rubber grip and plastic handle also indicated a replica. The final, and most concrete aspect of my inspection, was the patent number listed on the fake device. While the Furminator patent # is (6,782,846), the knock off listed a patent # (6,782,845) which corresponds to "individually ventilated cages." The blade on the knock off is noticeably different from an authentic Furminator. It lacks the sharpness between the teeth that keeps the device from RIPPING the hair out.Amazon was good about handling this issue. I was granted free return shipping and a full refund. Since, I have the authentic Furminator as well, I can honestly rate the item as a 5 star device.