The Trademark Office stipulates that the trademark pattern file format is jpg, with clear graphics, the pattern file size is less than 200KB, and the graphic pixels are between "400× 400" and "1500× 1500".
If the trademark pattern is obtained through scanning, the graphics that comply with trademark laws and regulations shall be scanned in 24-bit color, RGB format and 300dpi resolution (the graphics are clear, larger than 5×5 cm and smaller than 10× 10 cm).