definiens: shall mean any invention or discovery created or otherwise Controlled by [COMPANY] orBellicum during the period from the Original Effective Date through the end of the Term, which constitutes anenhancement or modification of any invention within the Licensed Technology or Licensed Patent Rights, togetherwith the Patent Rights and Technology that claim or cover such invention or discovery ; provided, however, thatImprovement does not include ( a ) any Antigen or Inducible Co - Stimulatory Molecule, ( b ) any product ( or treatmentregime or process using a product ), comprising ( i ) a dendritic cell transfected with both a gene for any Antigen, apeptide or a protein that is an Antigen or an RNA that induces the * * * Confidential Treatment Requested 9expression of an Antigen and ( ii ) a gene for any Inducible Costimulatory Molecule, where such product does not use aDimerizer to activate any gene that is a part of such product, or ( c ) any method of manufacture or use for suchAntigen, Inducible Co- Stimulatory Molecule or product described in clause ( b ) ( or treatment regime or process usingsuch product ), and, in each case, the Patent Rights and Technology that claim or cover such invention or discovery