You know, the patent right has a time limit. I don't know if there is a patent right to turn a car into a robot, but even with this patent, the 25-year patent right has expired since the 1980s. For example, the patent right of DVD expired on 20 10, and the patent right of U disk expired on 20 19 last year. In other words, starting from 2020, major manufacturers do not need to pay patent fees to Netac to produce USB flash drives.
The expiration time of copyright is much longer, usually around 70-80 years, and some may exceed 100 years.
Therefore, if you develop a transformers toys with a similar shape to Transformers, it will infringe the copyright of children's treasure, and it is definitely illegal. However, if you really want to be a deformable robot instead of developing toys, even if it is a robot with certain intelligence, it is impossible, and you will definitely not be able to do it, otherwise the country would have provided talents like you.