definiens: shall mean sales by a party or parties, other than SCHERING, its Affiliates, licensees, distributors or agents, in any country of the Territory, of a competitive product which contains alpha interferon ( as a significant active ingredient ) coupled with PEG!~roduce a longer - lasting product, with .-~~ ....... _ ~.-~;-O, .,.~.:J .. '~~ " .- . •• -.-- ......... ~._~_~~~-- .... -, respect to which product claims are made which are substantially similar to those of Agreement Product, and the promotion, marketing or sale of such competitive product does not infringe any of the Patent Rights or Know - How exclusively licensed to SCHERING hereunder ( or for which, because of weak ineffective intellectual property law in a country Confidential Treatment Requested by [COMPANY], Inc. -26- 10/29/90:1 ENZON 002185 or countries, there exists no effective patent or know - how protection ) and : ( 1 ) the sales of such competitive · product made by anyone party equal at least ~_u~~ING / s Net Sales in such country ; or, ( 2 ) the sales of such competitive product by two or more parties e with respect to each such party, ess than fiftee ~t ( 15%i:)f SCHERING 's Net sal ~ in such country per party, but, considering the sales of such competitive product made by all such parties in the aggregate, equa at least twenty - five 7.2 If SCHERING shall hereafter be required, in re~~cJ .... 9 .. f ..,, .. ............, .•. ' ••.••, •.• ~ •• ' 0 . ' .. - . .. .'0 ..... -••.•• _ .- .. •• -•.• - • • • its sale of Agreement Product, to pay royalties ( hereinafter .~. _ _ _ _ _ _ _ _ _ _ _ _ _ ..... -.--------- .......... -~- ...... - ........,, ---.-- .. -- ..... ', ......... _ _ _ .... _ •• ••• " - _ _ e ' .... ..