definiens: means any claim in an infringement, a revocation orentitlement action, opposition, inter partes review, or in any other action relating tothe misuse, misappropriation, validity or infringement of intellectual property rights, trade secrets or conﬁdential information, including any claim for liability, right, demand and set - oﬀ ( including any claims for interest, costs and disbursements),whether or not presently known to the Parties, their assignees, transferees, representatives, principals, oﬃcers or directors, and whether in law or equity, thatPepscan, its assignees, transferees, representatives, principals, oﬃcers or directors, ever had, may have or hereafter can, shall or may have against Bicycle, itslicensees, suppliers and/or collaboration, development and/or commercialisationpartners prior to the Eﬀective Date or in the future with regard to the Bicycle Patents