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Team A creates a patent covering X. Team B licenses Team As patent and creates a patent covering X+A.

Turns out everyone who does X also needs to do A, to the extent X is X+A, so everyone needs to license both patents.




Makes sense but Team B's patent would be for their work, not for Team A's work, right? I get that you'd need to license both in this scenario, but the actual tech claimed by the patents wouldn't overlap.




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