definiens: means a claim contained in an issued and unexpired patent which has not been held unenforceable, unpatentable orinvalid by a decision of a court or other governmental agency of competent jurisdiction, unappealable or unappealed within the time allowed for appeal, and which has not been admitted to be invalid or unenforceable through abandonment, reissue, disclaimer or otherwise, 1.46 Interpretation . In this Agreement, unless otherwise specified : ( a ) The words, and shall be deemed to be followed by the phrase ; ( b ) words denoting the singular shall include the plural and vice versa and words denoting any gender shall include all genders ; ( c ) words such as,, and refer to this Agreement as a whole and not merely to the particularprovision in which such words appear ; and ( d ) the Exhibits and other attachments form part of the operative provision of this Agreement and references to this Agreementshall include references to the Exhibits and attachments