That review document was not about direct copying. It was about looking for areas of improvement.
Likewise, Apple's own internal documents revealed that their Senior VP for iOS used a 7" Tab, and decided that Apple needed to get into that market because the experience on the Samsung product was actually pretty good.
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They're both the same idea: you look at your competition to improve your own products.
No, the apple email and the review docs from Samsung are vastly different. There is no patent on screen size under discussion. The review docs support willful intent. The samsung product demonstrates infringement of particular patents. that is why the award was so high: infringement and willful intent to do so.
Looking for areas of improvement is okay. But if you improve on another's patent, you need to license that patent first so you can use your new patent. Or trade if the party is willing and wants your improvement. This is where samsung failed and that is how the system has worked for decades.