IANAL, but as far as I understand the situation it is not. See https://en.wikipe...

		krylon on June 24, 2017 \| parent \| context \| favorite \| on: 32TB of Windows 10 internal builds, core source co... IANAL, but as far as I understand the situation it is not. See https://en.wikipedia.org/wiki/Chinese_wall#Reverse_engineeri... But IIUC, clean room reverse engineering requires substantial effort to prove you did not take any shortcuts.