is very popular in the US market at the beginning of 2021. At that time, it did not have a corresponding US appearance patent:
(screenshot from Amazon US site, this display is not for commercial use , the copyright belongs to the original author)
However, after checking again yesterday, I found that it already has a US appearance patent! The patent picture of its appearance is shown below:
If you are a company that makes such products, you will definitely have questions: This should be a public model, right? How can I still apply for a patent?
Let me sum it up in one sentence: As long as there is no corresponding appearance patent in the United States, even if it is a public model or there is a corresponding patent in other countries, as long as it is submitted for application, it still has a chance to obtain patent authorization.
Since this product already has a US appearance patent, and there are many companies selling the same product in the US market, I guess the next step is to file a patent infringement complaint on the platform, which will eventually evolve into a patent infringement lawsuit. This is this type of The general development pattern of patents.
