Patents can be mortgaged, and the amount of patent pledge loans generally cannot exceed 50% of the fair market value or assessed value of patents. The term of the patent pledge loan is generally not more than one year, and it is not more than two years under special circumstances. \x0d\ Materials required for patent mortgage loan: \x0d\ 1. Patent pledge loan application. \x0d\ 2。 Announcement documents (including specifications, claims, abstracts, etc. ) grant a patent right. \x0d\ 3。 Patent certificate (original and photocopy) and invoice (original and photocopy) of the annual patent fee paid in that year. \x0d\ 4。 Patent legal status search report, relevant product search data, patent value evaluation report of patent evaluation institution. \x0d\ 5。 Copy of enterprise business license and organization code certificate. \x0d\ 6。 Relevant materials to prove that the patent right has been industrialized. \x0d\ 7。 The year-end financial statements of the last two years. \x0d\ 8。 The patentee agrees to pledge the patent right in writing. If a patent has more than two patentees, all patentees agree in writing to pledge the patent right. If a patent has more than two patentees, all patentees shall make a written commitment to pledge the patent right.