"Should the court reverse Judge Alsup's well-reasoned opinion, it will hand Oracle and others the ability to monopolize any and all uses of systems that share their APIs. API creators would have veto power over any developer who wants to create a compatible program," the brief states.
An Oracle spokeswoman said the company declined to comment on the filing.
At trial, Oracle argued that the complex structure and syntax of the Java APIs make them a creative work worthy of protection. Google knowingly copied the APIs, it said, and has since made billions of dollars from the success of Android, which is now the world's top-selling smartphone operating system.