Samsung has been granted the right to have its appeal against a sales ban on its Galaxy Tab 10.1 tablet heard in court.
The ban was granted earlier this year after Apple convinced a court Samsung's tablet infringed on its design patents, and initial appeals, in the Californian court that issued the decision, proved unsuccessful.
However, the Federal US Circuit Court of Appeals in Washington ruled that Samsung's request for an appeal was valid and so it should be heard by a lower court in California.
"We grant the motion and remand for the purpose of allowing the trial court to consider Samsung's motion and Apple's arguments in opposition," the court said in its ruling.
"The parties [Samsung and Apple] are to inform this court promptly of the trial court's ruling on the motion and propose how they believe the appeal should proceed."
Samsung acknowledged the ruling in a statement sent to V3 and said it would continue to fight to protect its products.
"We will continue to take all appropriate measures to ensure the availability of our innovative products," it added.
V3 contacted Apple for comment on the decision but had received no reply at time of publication.
The decision is a welcome legal victory for Samsung in the US after it lost a high-profile case at the end of August was ordered to pay a fine of over $1bn, and then subsequently lost a preliminary hearing at the International Trade Commission (ITC).
Apple has also sought to turn the screw against its rival by asking the court for a further $707m in damages on top of the initial $1bn fine.
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