The time limit for filing trademark objections is: three months from the date of announcement of preliminary examination and approval. According to the relevant laws and regulations, the Trademark Office shall make an announcement after preliminary examination and approval according to law. Within three months from the date of announcement, if the prior obligee or interested party thinks that the application infringes upon their own rights and interests, or others find that the application violates the granting conditions stipulated by law, they may raise an objection to the Trademark Office according to law. Legal objectivity:

Article 22 of the Trademark Law of the People's Republic of China * * * An applicant for trademark registration shall fill in the category and name of the goods using the trademark according to the prescribed commodity classification table and file an application for registration. Article 28 of the Trademark Law of the People's Republic of China, the Trademark Office shall, within nine months from the date of receiving the application documents for trademark registration, complete the examination of the trademark, and if it meets the relevant provisions of this Law, make a preliminary examination and announcement. Article 33 of the Trademark Law of the People's Republic of China, within three months from the date of the announcement of the preliminary examination and approval, the prior obligee or interested party considers that the trademark violates the provisions of Article 13, paragraphs 2 and 3, Article 15, Article 16, paragraph 1, Article 3, Article 31 and Article 32 of this law, or anyone thinks that it violates Article 4, Article 1, Article 11 and Article 32 of this law. If there is no objection at the expiration of the announcement period, the registration shall be approved, a trademark registration certificate shall be issued and an announcement shall be made.