The original lawsuit didn't provide much detail about the alleged infringement, but they have now complied a more specific list of grievances. Oracle says that "approximately one third of Android's Application Programmer Interface (API) packages [are] derivative of Oracle's copyrighted Java API packages."
The statement goes on to name Java method and class names, definitions, organization, parameters, the organization of Java class libraries, as well as the content and organization of Java's documentation as infringed copyrights.
Oracle's suit is now so bold as to claim that "In at least several instances, Android computer program code also was directly copied from copyrighted Oracle America code."
Google initially dismissed the allegations as unfounded attacks on the open source community, but the specificity of the allegations seems to imply that Oracle really believes they have a case.
Oracle has moved for an injunction on the infringing Android code, but we think they might be fighting an uphill battle. It also seems too convenient (and predictable) that they have doubled their litigious efforts as Android is rising to smartphone supremacy.
source: Yahoo! News