trademarks can be avoided. You can register your own trademarks, or you can eliminate the original trademarks and not display them anywhere on the sales page.
copyright, that is, the other party may register copyright on clothes patterns and shapes. The circumvention method, because the copyright can't be found, you can register the relevant copyright yourself. The National Copyright Administration will pay 3 yuan to register the copyright officer and get the copyright in three to four months. In addition, the copyright also involves the baby's detailed patterns, so stick to your own products and take pictures yourself, and never steal or buy pictures.
The last patent, mainly the design, includes the pattern, shape and color of clothes, so you can look it up on the patent-related websites to see if there are similar clothes with registered patents.