definiens: means all Patent Ri ghts, technology, inventions, information, data, know - how, compounds, materials and substances ( whet her or not patented or patentable ) that are Control led by XOMA ( alone or together with [COMPANY] ) and that : ( a ) relate to or are potentially useful in connection with the discovery, screening, design, synthesis, delivery, development, testing, use, manufacture, sale, impor t or export of any Product in the Field, and ( b ) are conceived or reduced to practice by XOMA or any Third Party o n XOMA ’s behalf in the course of the Collaboration . X OMA Collaboration Technology shall not include the bacterial cell expression technology owned or Contr olled by XOMA Ireland Limited licensed to [COMPANY] pursuant to the Non - Exclusive XOMA Ireland License, including the Licensed Technology ( as defined in t he Non - Exclusive XOMA Ireland License ), and any improv ements thereon