A mountaineering bag of several brands has the same style, but the position of the trademark has been changed to its own trademark. What's going on here? No intellectual property rights?

This is unlikely to be patented. If every commodity is patented, it will cost a lot of money, and it will take at least half a year to apply for a patent. After such a long time, it will be almost out of date and lose its value. Therefore, goods such as bags, clothes and shoes will not be patented.