definiens: means, with respect to the eﬀorts to be expended by a Party withrespect to any objective, those reasonable, good faith eﬀorts to accomplish such objective as such Party would normallyuse to accomplish a similar objective under similar circumstances, in particular taking into account the then - current urgencyof the COVID-19 crisis . With respect to any eﬀorts relating to the Development, Regulatory Approval or Commercializationof a Candidate or Product by a Party, generally or with respect to any particular country in the Territory, a Party will bedeemed to have exercised Commercially Reasonable Eﬀorts if such Party has exercised those eﬀorts normally used bysuch Party having regard to the circumstances, in the relevant country, with respect to a compound or protein, product orproduct candidate, as applicable ( a ) of similar modality Controlled by such Party, ( b ) to which such Party has similar rights,(c ) which is of similar market potential in such country, and ( d ) which is at a similar stage in its development or product lifecycle, as any Candidate or Product, in each case, taking into account all Relevant Factors in eﬀect at the time such eﬀortsare to be expended . Further, to the extent that the performance of a Party ’s obligations hereunder is adversely aﬀected bythe other Party ’s failure to perform its obligations hereunder, the impact of such performance failure will be taken intoaccount in determining whether such Party has used its Commercially Reasonable Eﬀorts to perform any such aﬀectedobligations