Oracle , claiming its Android mobile operating system infringes on seven of Oracle's Java patents. Google has .

The judge in the case, William Alsup of the U.S. District Court for the Northern District of California, This week, Alsup ordered the two sides to submit proposals for reducing the number of claims in the complex case to a "triable number."

Oracle proposed reducing the number of claims it is asserting to 75 from the current 132 by June 30, then to 35 claims by Sept. 2. By Oct. 17 and the final pretrial conference, Oracle would identify "a triable number" of claims, it said.The trial is currently set for Oct. 31.

Meanwhile, Oracle wants Google to lower its "asserted prior art references or combinations of references to four per patent" by July 8, and reduce the number of asserted grounds of invalidity per patent to three by Sept. 2. Google would then determine a "triable number of invalidity grounds" by Oct. 17.