Well for one, you obviosly did not get a joke-like attitude in my first sentence. My bad, should have used smile.
Li-2 is officially licensed version of Dakota, no copy or whatever you may think.
And I have no idea what plane could be copy of B-727 on Russian side. I am not sure about other designes that may have been "stolen" as you can not really come to totally different outcomes for one purpose using given technology. And "inspiration" sure was profiting for both sides.
And Oddball, I am puzzled, Concorde never had any canards?