TFA: Copyright law specifically excludes "systems" and "methods of operation" from copyright protection. Sounds like a "clean room implementation" is needed, a

TFA: Copyright law specifically excludes "systems" and "methods of operation" from copyright protection. Sounds like a "clean room implementation" is needed, and that Google copied more than what was needed for inter-op. If so, Google might lose the case, but the legal precedent would be you can copy apis but not implemention (unless that's the only way to implement them).