The NFL's logos, and also all with the team's logos, names, symbols, etc, are trademarked. These considered for the Intellectual Property Rights (IPR) of this owners, namely, the American footbal. When you buy a knock-off, tend to be basically bypassing the right of the NFL to get its royalty on your purchase. It's not the purpose of this article to get in contact with whether not really the NFL overcharges finest to advertise their goods, however, a person first purchase that replica NFL product, say, a jersey, you are produced in effect, violating trademark statutes.