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SAN JOSE, Calif. — A federal jury said Friday that Apple and Samsung had infringed each other’s patents on some mobile devices, a split decision in the latest court fight between the two technology giants.

The jurors found that at least some Samsung devices infringed two of four patents at issue. The judge in the case, Lucy H. Koh, had already ruled that Samsung infringed a fifth patent.

For infringing the patents, the jurors concluded, Samsung must pay Apple $119.6 million in damages, far below the $2 billion that Apple had demanded in total.

The Galaxy S3, the cellphone that is one of Samsung’s flagship products, accounted for the biggest portion, contributing $52 million of the damages.

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The jurors decided Apple violated one of the two Samsung patents at issue, awarding Samsung $158,400 in damages. It had sought $6 million for both patents.

In the latest trial between the companies, which lasted a month, Apple accused Samsung of selling phones and tablets that violated five of its patents covering mobile software features. Samsung, for its part, accused Apple of violating two patents related to photo albums and video conferencing.

Brian Love, a professor at Santa Clara University who teaches patent law, said the outcome was a defensive victory for Samsung.

“Compared to the first case between these companies, this trial was an uphill battle from the start for Apple,” Love said. Samsung’s partial victory on its own counterclaims was a victory, he said, against Apple’s insistence that it is a peerless innovator.

The eight jurors in the case, who answered 11 pages’ worth of questions on sometimes highly technical matters, returned a verdict after three full days of deliberations. The jury found that some Samsung smartphones and tablets violated Apple patents covering things like the slide-to-unlock feature.

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