it is a document issued by the Trademark Office. The trademark applicant has not received the document and was returned to the Trademark Office. The trademark applicant can only go to the Trademark Office by himself or through an agency to collect the letter of return.

Legal basis:

Article 1 of the Patent Law of the People's Republic of China

The term of the invention patent is 2 years, and the term of the utility model patent and the design patent is 1 years, both of which are counted from the date of application.

article 11 after the patent right for invention and utility model is granted, except as otherwise provided in this law, no unit or individual may exploit the patent without the permission of the patentee, that is, they may not manufacture, use, promise to sell, sell or import the patented product for production and business purposes, or use the patented method and use, promise to sell, sell or import the product directly obtained according to the patented method.