Apple is getting more aggressive against a Mac clone company it has been battling in court. The technology giant asked a federal judge to close Psystar’s Mac clone operation and ante up $2.1 million in damages, court documents reveal. Apple has been silent since U.S. District Court Judge William Alsup ruled in favor of Apple in a copyright suit against Psystar. In his Nov. 13 ruling, Alsup plus ruled that Psystar violated the Digital Millennium Copyright Act by installing Apple’s Mac OS X on the cloned computers it sold. Alsup’s order granted Apple’s motion for a summary judgment and nullified a similar motion from Psystar, and marked a major defeat for the cloner. But Apple is seeking to drive the final nail into Psystar’s infringement coffin.

Forcing Psystar’s Hand On Monday, Apple filed a motion requesting Alsup to grant a permanent injunction. whether granted, the injunction will force Psystar to stop selling computer bundled with Apple’s Mac OS X. The permanent injunction would plus ban Psystar from using, selling or owning software that makes it possible to crack Apple’s OS encryption key, which would let it run Mac OS X on Psystar’s hardware. Finally, the injunction would ban Psystar from “inducing, aiding or inducing others in infringing Apple’s copyright.”

Apple insists a permanent injunction is its only option in the face of Psystar’s continued copyright violations. “Psystar has announced its intention to continue infringing (and to contribute to the infringement of) Apple’s copyrights in, and circumventing the technology protection measures in, the current upgrade of Mac OS X, version 10.6,” Apple said. The $2.1 Million Infringement But Apple isn’t substance with a permanent injunction against Psystar. The Mac maker is plus seeking $2.1 million in damages. Psystar isn’t expected to be in a financial position to pay the damages, but Apple is making a point. “Psystar’s whole business…