Changes

Patent pools are agreements between "two or more patent owners to license one or more of their patents to one another or to third parties." [http://www.wipo.int/export/sites/www/ip-competition/en/studies/patent_pools_report.pdf (WIPO)] Generally, patent pools cover mature and complex technologies that require complementary patents to develop compatible products and services. [http://www.wipo.int/export/sites/www/ip-competition/en/studies/patent_pools_report.pdf (WIPO)] Patent . More recently, patent pools have become standardized by the Department of Justice, legally recognized only if the following four criteria are useful when new products are based on multiple existing met:  :: #Essential patents or on one invention with included only. :: #Complementary patents on many of its componentsincluded only. :: #Sensitive information may not be shared amongst parties. :: #Substitute products may still be developed by parties included in the licensing agreement [http://www.theglobalipcenterwipo.comint/export/sites/defaultwww/filesip-competition/reportsen/documentsstudies/Prizes__Patent_Poolspatent_pools_report.pdf (GIPC)].