Samsung Tech Experts Take on Apple Patent Claims

Samsung on Tuesday rolled out its well-paid tech experts to give a federal jury a heavy dose of software anatomy to contradict Apple's cast of experts who had testified that Samsung smartphones and tablets violate key patents in iPhones and iPads.

During a day of highly technical testimony, Samsung's experts told the eight-member jury that the South Korean tech giant's products do not infringe on five Apple software patents, such as slide-to-unlock and universal search features in iPhones and iPads. Apple has argued Samsung should pay more than $2.1 billion in damages for copying those patents in popular devices such as the Galaxy S3.

Among the Samsung experts to reject Apple's claims Tuesday were Martin Rinard, an MIT computer science professor paid about $800,000 for his testimony, and Brewster Kahle, founder of the Internet Archive who told the jury his software search work had landed him in the Internet Hall of Fame.

As part of Samsung's overall legal strategy, the experts often noted that Samsung's software features generally depended on Google's Android operating system. Samsung argues that Apple is asserting patent claims that are really aimed at Google and that the technology at issue is Google-based in many respects.

Apple argues that Samsung controls the features on its smartphones and tablets and that Google has nothing to do with selling products that violate Apple's patent rights. Apple rested its case last week, and U.S. District Judge Lucy Koh rejected Samsung's argument that there was not enough evidence to support allowing the trial to proceed further.

Samsung will resume its defense Friday.

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