Period Pro Ration Sample Clauses

Period Pro Ration. If an event that results in a change to the royalty rate payable occurs during a Calendar Quarter (such as a patent expiry or the third anniversary of the First Commercial Sale of a Licensed Immunotherapeutic) and it is not practical to determine with certainty which relevant Net Sales took place before and which Net Sales took place after such event, then the Net Sales for such Calendar Quarter affected by such change shall be pro-rated over such Calendar Quarter based upon the number of business days in the relevant country or countries in the Territory in such Calendar Quarter before the occurrence of such event as compared to the total business days in such country or countries in such Calendar Quarter.