We all know that a patent application request should be filled in when applying for a patent, so what documents should be submitted for the 20 18 Changsha patent application? Is there any change compared with previous years? Let's take a look at the list of application documents for invention patents, utility model patents and design patents respectively. 20 18 what documents should be submitted to apply for Changsha patent? Application documents for a patent for invention Where an application for a patent for invention is filed, the application documents shall include: the request for a patent for invention, the abstract, the appended drawings of the abstract (if applicable), the specification, the claims and the appended drawings of the specification (if applicable) in duplicate. For an application for a patent for invention involving amino acid or nucleotide sequence, the specification shall include a sequence list, which shall be submitted as a separate part of the specification, and the page number shall be written continuously with the specification. At the same time, a CD or floppy disk with an ordered list that meets the requirements of China National Intellectual Property Administration shall be submitted. Application documents for a patent for utility model Where an application for a patent for utility model is filed, the application documents shall include: the request for a patent for utility model, the abstract, the appended drawings of the abstract (if applicable), the specification, the claims and the appended drawings of the specification in duplicate. Application documents for patent for design To apply for a patent for design, the application documents shall include: a request for patent for design, pictures or photographs (if color protection is needed, color pictures or photographs shall be submitted) and a brief description of the design in duplicate. If pictures are submitted, two copies shall be pictures; If photos are submitted, two copies are photos, and pictures or photos shall not be mixed. 20 18 what documents should be submitted to apply for Changsha patent?