As Oracle and Google prepare for a new trial in their long-running row over Java copyright, the database giant is looking for a massive $9.3bn in damages, a claim Google’s experts predictably dispute. The spat has been dragging on for almost six years since Oracle first sued Google over the use of Java in the Android operating system. When it created its mobile OS, Google opted to design its own Java virtual machine, Dalvik (now superceded by Android Runtime) rather than using the VM from Sun, the owner of Java at the time (subsequently acquired by Oracle). Oracle claims Google used Sun APIs which should have been subject to copyright fees, while Google has counter-argued that APIs are subject to…