definiens: means:(a ) any Patent Right in any form that is Controlled by [COMPANY] Idec or any of its Affiliates as of the EffectiveDate and that Covers a Compound, Lead Compound, Development Compound, Backup Compound, or LicensedProduct ( including the composition of matter thereof ), a method of making any Compound, Lead Compound, Development Compound, Backup Compound, or Licensed Product, a method of using any Compound, LeadCompound, Development Compound, Backup Compound, or Licensed Product, or a method or assay for screening fora compound that modulates the Target, or is otherwise necessary or useful to conduct the Research Program or toDevelop or Commercialize any Development Compound or Licensed ( ) ; ( b ) any Patent Right in any form that is Controlled by [COMPANY] Idec or any of its Affiliates that Covers anyInvention included in the [COMPANY] Idec Collaboration Know - How ( ) ; and(c ) [COMPANY] Idec ’s interest in the Joint Collaboration Patent Rights