Apple iPad and Samsung Galaxy tablets

US judge says Samsung tablets infringe Apple patents

A U.S. judge has said Samsung's Galaxy tablets infringe Apple's iPad patents as Apple seeks a sales ban of some Galaxy products.

Apple and Samsung are embroiled in global patent dispute involving more than 20 cases in 10 countries as the two fight for dominance in the smartphone and tablet markets.

An Australian court slapped a temporary ban on the sale of Samsung's latest computer tablet in that country earlier this week.

Apple sued Samsung in the United States in April, saying the South Korean company's Galaxy line of mobile phones and tablets "slavishly" copies the iPhone and iPad.

Apple then filed a request in July to bar some Samsung products from U.S. sale, including the Galaxy S 4G smartphone and the Galaxy Tab 10.1 tablet.

Mobile providers Verizon Wireless and T-Mobile USA have opposed Apple's request, arguing that a ban on Galaxy products would cut into holiday sales.

Apple must show that Samsung infringed its patents and that its patents are valid under the law.

Samsung attorney Kathleen Sullivan argued that in order to defeat an injunction bid, Samsung need only show that it has raised strong enough questions about the validity of Apple's patents.

"We think we've clearly raised substantial questions," Sullivan said at the court hearing in California.

Apple attorney Harold McElhinny said Apple's product design is far superior to previous tablets, so Apple's patents should not be invalidated by designs that came before.

"It was the design that made the difference," McElhinny said.

U.S. District Judge Lucy Koh frequently remarked on the similarity between each company's tablets. 

At one point during the hearing, she held one black glass tablet in each hand above her head, and asked Sullivan if she could identify which company produced which.

"Not at this distance your honor," said Sullivan, who stood at a podium roughly ten feet away.

"Can any of Samsung's lawyers tell me which one is Samsung and which one is Apple?" Koh asked. A moment later, one of the lawyers supplied the right answer.

"It took a long time to make that distinction," Koh said.

After the hearing, Samsung spokesman Kim Titus said Apple's injunction request is "groundless." An Apple representative did not immediately respond to a request for comment.

Additionally, Koh said she would deny Apple's request for an injunction based on one of Apple's so-called "utility" patents.

She did not say whether she would grant the injunction based on three other Apple "design" patents.

Koh characterized her thoughts on the utility patent as "tentative" but said she would issue a formal order "fairly promptly."

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