“Apple Inc.’s patent-infringement trial against Google Inc.’s Motorola Mobility unit set for June 11 was canceled by a federal judge who rejected damage arguments by both sides,” Andrew Harris reports for Bloomberg. “‘You have to prove injury,’ U.S. Circuit Judge Richard A. Posner today told the companies’ lawyers at the end of what was to be the last pretrial conference. ‘I’m sorry that it seems to be petering out like this.'”

“Posner’s ruling scraps what would have been the first patent trial between them since Mountain View, California-based Google completed its $12.5 billion acquisition of Motorola Mobility Holdings Inc. last month,” Harris reports. “Apple had accused Motorola of infringing four of its mobile phone and tablet computer-related patents, while Motorola was pursuing a single similar claim against Apple.”

Harris reports, “Posner said he was still considering whether to go forward with an Apple request for injunctive relief and that he would issue a decision later today. The case is Apple Inc. v. Motorola Inc., 11-cv-8540, U.S. District Court, Northern District of Illinois (Chicago).”

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Florian Mueller writes for FOSS Patents, “Judge Posner had previously tossed both parties’ damages claims and said at the beginning of today’s pretrial conference that the parties weren’t entitled to damages, so he canceled the jury trial that was scheduled to begin next Monday. But it’s important to understand that the cancelation of a jury trial isn’t necessarily the end of a lawsuit.”

“A jury is needed only if damages have to be determined in the event of a finding of liability for infringement, but it’s not needed for a decision on whether or not to grant an injunction,” Mueller writes. “Damages are a remedy at law, while injunctive relief is an equitable remedy. Equitable remedies are decided by judges, not juries. Therefore, if only equitable remedies are at issue in a lawsuit, there’s no need for a jury even in connection with the question of liability (infringement, validity etc.).”

Mueller writes, “The judge has not yet decided on whether the parties are entitled to injunctive relief. He is now thinking about this and will enter a written order at a later time. If he decides that injunctive relief is a possibility with respect to one or more patents (Apple has four patents in play, as compared to one Motorola FRAND patent), then there could still be a bench trial (the parties would present their witnesses and make their arguments in front of Judge Posner… For now, let’s wait and see. Judge Posner’s written order will show the way.”

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MacDailyNews Note: 4:11pm EDT: Updated the original article with more information along with the Mueller excerpts.