This excerpt taken from the GILD 10-K filed Mar 3, 2006.
16.4 Duration of Confidentiality Obligations. The confidentiality obligations of the Parties shall survive this Agreement for a period of [ * ] years.
16.5.1 APO acknowledges and agrees that it has no proprietary intellectual property rights in or to the current manufacturing process for the Finished Product, as set forth in the Specifications. APO shall not perform any Manufacturing other than for Manufacture of Finished Product for supply to Gilead pursuant to this Agreement, and APO shall not perform any process development or otherwise attempt to modify the Manufacturing process without Gileads prior written consent.
16.5.2 The Parties acknowledge that they, independently or jointly, may develop improvements to the Specifications, inventions and other know-how (including without limitation data, information, processes, techniques, methods, and unpatentable inventions) in the course of fulfilling their obligations under this Agreement (Improvements). Subject to Section 15.5.3, (i) APO shall own all right, title and interest in and to Improvements that are general manufacturing Improvements that have application beyond manufacture and processing of [ * ] (including Finished Product and finished products incorporating [ * ] to the [ * ] (APO Improvements), and (ii) Gilead shall own all, right, title and interest in and to all other Improvements (Gilead Improvements). Each Party hereby assigns its entire right, title and interest in Improvements that are to be owned by the other Party pursuant to this Section 15.5.2, and all patents and copyrights that may be obtained thereon and trade secrets and other intellectual property rights therein (Improvements IP), to the other Party, and each Party will take all reasonable steps and execute and deliver all documents reasonably required for the other Party to evidence or record such assignment as applicable. Each Party shall only use in its performance under this Agreement, its employees or consultants who have agreed in writing to assign Improvements to it.
16.5.3 APO hereby grants to Gilead an irrevocable, nonexclusive, worldwide, royalty-free license under the APO Improvements and the APO Improvements IP to research, develop, make, have made, use, sell, offer for sale, import and otherwise commercialize Gileads (and its Affiliates and licensees) products throughout the world, with the right to sublicense (through one or more tiers of sublicensees to Affiliates of Gilead, licensees with exclusive or co-exclusive commercialization rights to such products to in one or more countries, and contract manufacturers).