From this point of view, you are very professional. However, if you are an e-commerce company, the results will be very tragic.
Before you prove that you are not infringing, your product is likely to be removed from the shelves. Therefore, you need to use the fastest time to prove that the other party’s patent is invalid. To be precise, you have to pass the law. The method is used to invalidate the other party's patent first, and then the appeal can be completed.
So, you need an intellectual property lawyer to intervene.
However, if you are not a brand owner or a manufacturer, the cost will be very high. You need to evaluate the trade-offs. If you are just a dealer or agent, this job will have to be done by your supply provider. You can't do it.