definiens: for any given calendar year period shall mean the gross aggregate amountinvoiced on account of sales of all Products, including as part of a Combination Product, anywhere in the world, by Parent andits Affiliates, licensees and distributors to a third party, less the following reductions directly relating to such sales of theProduct : ( 1 ) trade and quantity discounts or rebates, price reductions, coupons, vouchers andco - pay assistance reimbursements given in the ordinary course of business which are not already reflected in the amountinvoiced, and provided, further, that the level of discount allowed hereunder shall be limited only to such level given on theProduct 13 CONFIDENTIAL MATERIAL APPEARING IN THIS DOCUMENT HAS BEEN OMITTED AND FILED SEPARATELY WITHTHE SECURITIES AND EXCHANGE COMMISSION IN ACCORDANCE WITH THE SECURITIES ACT OF 1933, ASAMENDED, AND RULE 24B-2 PROMULGATED THEREUNDER