U.S. District Judge for the Northern District of California Beth Labson Freeman. U.S. District Judge for the Northern District of California Beth Labson Freeman. Photo by Diego Radzinschi/ALM

Amazon.com might have another revenue stream heading its way.

U.S. District Judge Beth Labson Freeman of the Northern District of California indicated Thursday that she will be finding PersonalWeb Technologies LLC and Level 3 Communications LLC's sprawling patent infringement litigation against the e-commerce giant exceptional and awarding at least some portion of the $6.1 million in fees Amazon is seeking.