How to write an explanation about intellectual property rights?

description of intellectual property rights generally includes patent description and trademark description.

patent description includes the grant of patent right, patent application right, invalidation of patent right, termination of patent right, restoration of patent right, pledge, preservation and dissolution of patent right, filing of patent licensing contract, compulsory license for patent exploitation and change of patentee's name, nationality and address.

the trademark description includes the trademark (pattern), the trademark registration number, the name and address of the trademark registrant, the goods or services approved for use by the registered trademark and their categories, and the start and end dates (validity period) of the exclusive right to use the trademark.