What should I do if my trademark has expired and has not been renewed for 10 years and has been registered? First of all, renewal means that the registered trademark is valid for ten years. If you need to continue to use it after the expiration, you should do so within six months before expiration. Apply for registration. Extension means that if a renewal application is not submitted within the specified renewal period, a six-month grace period can be given. This grace period is called "extension". You can still apply for extension without renewal. The Trademark Office will not allow a third party to approve the registration during the extension period. (Third parties can submit registration documents, which will be rejected at the substantive examination stage.) If even the extension period has passed, objections can be raised during the third-party registration announcement period. If the objection is invalid, you can only re-register a trademark or buy a trademark. The meaning of the term trademark squatting has gone through two stages of development. In the first stage, the objects of trademark squatting are basically limited to unregistered trademarks; at this stage, the connotation of trademark squatting has been further expanded, and other people’s trademarks or well-known trademarks that are already well-known to the public apply for registration on non-similar goods or services. This behavior also belongs to squatting. Furthermore, the act of applying for registration of other people’s innovative designs, design patents, company names and trade names, copyrights and other prior rights as trademarks should also be regarded as trademark squatting. Trademark squatting can be divided into a narrow sense and a broad sense. Trademark squatting in the narrow sense refers to the competitive behavior of registering a trademark before the original trademark owner to obtain economic benefits. Countries around the world have different regulations on the confirmation and acquisition of exclusive rights to trademarks. To sum up, there are generally three methods: "registration principle", "use principle" and "mixing principle". The so-called registration principle is to determine the ownership of trademark rights according to the order of application for trademark registration. Whoever applies first will be granted exclusive rights to the trademark, regardless of whether the trademark has been used. Application for registration is the only legal fact that forms the exclusive right to use a trademark, so the most basic legal feature of the registration principle is the application for trademark registration. Corresponding to the registration principle is the use principle, which determines the ownership of a trademark based on the order in which the trademark is used. Whoever uses the trademark first will enjoy the exclusive right to the trademark. Trademark squatting often occurs in life, so you must deal with related issues reasonably, because trademarks are directly related to your own economic interests. If you do not solve them well, you will cause certain losses to your own interests, but the most critical thing is The most important thing is that the maintenance of your trademark complies with the relevant national regulations, so that you can solve it reasonably.