definiens: means all Patent Rights Controlled byPTC or its Affiliates on the Effective Date or at any time during the Term Covering ( a ) thecomposition of matter of a Product, ( b ) methods of using a Product, or ( c ) an oligonucleotidecompound that specifically modulates expression of a Target via the binding, partially or wholly, of such compound to RNA that encodes a Target ; provided, however, that Patent RightsControlled by PTC or any of its Affiliates to the extent that such Patent Rights include any claimsthat are directed to ( i ) subject matter applicable to oligonucleotide compounds or products ingeneral or ( ii ) an oligonucleotide compound that does not specifically modulate expression of aTarget via the binding, partially or wholly, of such compound to RNA that encodes a Target, willnot be considered PTC Product - Specific Patent Rights .