> A clean room reimplementation of cuda would avoid any copyright claims, Assuming APIs are either not copyirghtable or that API reimplementation is always fai

> A clean room reimplementation of cuda would avoid any copyright claims, Assuming APIs are either not copyirghtable or that API reimplementation is always fair use of the API, neither of which there is sufficient precedent to justify as a conclusion; Oracle v. Google ended with “well, it would be fair use in the exact factual circumstances in this case so we don't have to reach the thornier general questions”.