definiens: means : ( a ) with respect to the efforts to be expended by Pfizerwith respect to any objective, those reasonable, good faith efforts and resources to accomplish such objective asPfizer would normally use to accomplish a similar objective under similar circumstances . With respect to anyefforts and resources relating to the Development, Regulatory Approval or Commercialization of a Compound orLicensed Product by [COMPANY], generally or with respect to any particular country in the Territory, [COMPANY] will bedeemed to have exercised Commercially Reasonable Efforts if [COMPANY] has exercised those efforts normally usedby [COMPANY], in the relevant country, with respect to a compound, product or product candidate, as applicable, ( i ) ofsimilar modality Controlled by [COMPANY] or to which [COMPANY] has similar rights, and ( ii ) ( A ) which is of similar marketpotential in such country and ( B ) which is at a similar stage in its development or product life cycle, as theCompound or Licensed Product, in each case, taking into account all Relevant - 4 -Factors in effect at the time such efforts are to be expended and ( b ) with respect to the efforts to be expended bySpark with respect to any objective, those reasonable, good faith efforts and resources to accomplish suchobjective as Spark would normally use to accomplish a similar objective under similar circumstances, taking intoaccount all Relevant Factors in effect at the time such efforts are to be expended