1, it should be that the other party applied for a utility model or appearance patent for the product and complained about infringement on Taobao;
2, the utility model and appearance can be authorized without substantive examination, so it is entirely possible for the other party to apply for a patent for the product but sue for infringement;
This behavior is suspected of maliciously applying for patent protection and should not be protected by law. You can seek legal aid through proper channels;
It is suggested to apply for patent protection for your product design as soon as possible to avoid similar situations.
Legal basis:
Article 60 of the Patent Law of People's Republic of China (PRC), if a patent is exploited without the permission of the patentee, that is, the patent right is infringed. In case of any dispute, the parties concerned shall settle it through consultation; Unwilling to negotiate or failing to do so, the patentee or interested party may bring a suit in a people's court or request the administrative department for patent affairs to handle it. When the administrative department for patent affairs finds that the infringement is established, it may order the infringer to stop the infringement immediately. If a party refuses to accept the decision, he may bring a lawsuit to the people's court in accordance with the Administrative Procedure Law of the People's Republic of China within 15 days from the date of receiving the notice of handling. If the infringer fails to prosecute and stop the infringement upon expiration of the time limit, the administrative department for patent affairs may apply to the people's court for compulsory execution. At the request of the parties concerned, the administrative department for patent affairs may mediate the amount of compensation for patent infringement; If mediation fails, the parties may bring a lawsuit to the people's court in accordance with the Civil Procedure Law of People's Republic of China (PRC).