Legal analysis: 1. The other party should have applied for a utility model or appearance patent for the product and complained about the infringement on Taobao;
2. The utility model and appearance did not undergo substantive examination. can be authorized, so it is entirely possible for the other party to use the product to apply for a patent but sue for infringement;
3. This kind of behavior is suspected of maliciously applying for patent rights and should not be protected by law. You can seek legal aid through legitimate channels;
4. It is recommended to apply for patent protection for your product design as early as possible to avoid similar situations from happening again.
Legal basis: Article 60 of the Patent Law of the People's Republic of China. Implementing the patent without the patentee's permission will infringe upon the patent right. If a dispute arises, it shall be resolved through negotiation between the parties. ; If they are unwilling to negotiate or cannot reach an agreement, the patentee or interested party may file a lawsuit in the People's Court or request the patent administration department to handle the matter. When the patent management department handles the matter, if it determines that the infringement is established, it may order the infringer to immediately stop the infringement. If the party is dissatisfied, it may, within 15 days from the date of receipt of the handling notice, comply with the "Administrative Litigation of the People's Republic of China and the People's Republic of China" Law of the People's Republic of China; if the infringer does not file a lawsuit or stop the infringement upon expiration of the time limit, the department managing patent affairs may apply to the People's Court for compulsory enforcement. At the request of the parties concerned, the handling patent management department may mediate the amount of compensation for infringement of patent rights; if mediation fails, the parties concerned may file a lawsuit in the People's Court in accordance with the Civil Procedure Law of the People's Republic of China.