Oracle , alleging that its Android operating system infringes on several Java patents. Google denies doing anything illegal.

Lawyers for the two sides argued for 90 minutes before the judge Wednesday about how wording in the patents should be interpreted. How the judge rules could affect whether Google is found guilty of infringement.

At one point he lost patience with the back and forth.

"I don't know, it's frustrating that these gigantic law firms can't write clearer language so we don’t have to go through this process," the judge said.