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There is a patent. I applied for a design patent. Can I apply for a patent for invention or utility model again?
theoretically, after applying for a design patent, you can apply for a patent for invention or utility model, because there is no conflict.

But the problem is that the appearance patent is totally different from the utility model and invention.

I don't think it's easy to handle.

from the perspective of patent law, the use of appearance patents cannot be confirmed as infringement.

However, you can start with other laws, such as the copyright of graphic files. I suggest you consult a lawyer.