Fake Rolls-Royce infringes on the intellectual property rights of Rolls-Royce. As long as people don't sue you. If you tell them that the protection of intellectual property rights abroad is very strict, it is often tens of millions of litigation damages. In recent years, China has paid more and more attention to the protection of intellectual property rights. If you encounter such a case, the defendant is likely to lose the case and the loss may be considerable.
It is not illegal to build a car privately. Automobile patent is an intellectual property issue. As long as you can apply, you may be recognized. However, only by obtaining the approval of the transportation department and obtaining the vehicle driving qualification can we get on the road. Otherwise, you can only drive at home or take part in professional competitions.