definiens: means antigens of Helicobacter pylori ( other than LPS ), and gepes encoding .such antigens, which are listed in SCHEDULE B as being included in LICENSEE 's research & development " program, which list may be amended from time to time by written notice by LICENSEE to VRI ( i ) to add antigens which are included in LICENSEE- 's research & development program, in which case such antigens shall then become·HPC Antigens and be treated as such for the purpose of this Agreement, PROVIDED, HOWEVER, that VRI has not previously granted a non - exclusive license to a Third - Party with respect to the use of COMPOUND in combination with such antigens, or ( ii ) to delete antigens which are excluded from such program, in which case such antigens shall become Other Hp Antigens and be treated as such for the purpose of this Agreement ; means any and all vaccines for active immunization intended for use in the Field of Use which contain HPC Antigens ( either alone, 5 combined with each other or combined with Other Hp Antigens ) or Other Hp Antigens ( either alone or combined with each other ), in each case formulated in combination with COMPOUND