" but again in practice if code includes chunks from Alice and Bob plus a few scraps from Carol and David, Alice and Bob can have standing to sue even " Maybe.

" but again in practice if code includes chunks from Alice and Bob plus a few scraps from Carol and David, Alice and Bob can have standing to sue even " Maybe. It's a much harder thing to prove in practice :) "then it removes a possibly expensive diversion as the infringer tries to attack standing." Yes, 100% agreed.