The computer veteran Brewster Kahle made a brief appearance at the trial. He described the wide area information server (WAIS) project he led in the early 1990s. "The idea of the WAIS system is it could be [searching] local and remote [data] at the same time."
Samsung used early web servers as an example of prior art for Apple's '959 patent on universal search, a technique for searching local and web data. Jurors were shown a demonstration using a version of the WAIS software that also searched local and remote data sources.
Martin Rinard, an MIT computer science professor and Samsung expert witness, created the WAIS demo. He also testified that two other patents, including No. 7,653,614, could be considered prior art for the Apple universal search patent.
Rinard also underscored market research that showed 98% of mobile searchers scanned web data, not local data. "What it shows is people aren't using this local functionality, hardly at all."
A third Samsung expert testified that another smartphone and a research paper invalidate Apple's '172 slide-to-unlock patent. Saul Greenberg, a professor at the University of Calgary, said the Neomode Inc. N1 phone used a similar unlocking feature before the iPhone. He showed a video from a paper presented at the 1991 Computer Human Interaction conference demonstrating a slide-to-unlock feature.
Under cross-examination, Apple attorney Harold McElhinny said patent examiners reviewed information on both the N1 and the CHI paper. "They had that information because Apple's patent attorneys gave it to them."
He asked Greenberg if the patent examiners were wrong in granting the patent. "That was their conclusion, but I think they got it wrong… and that's why we are here," he said.
A final expert testifying Tuesday said Apple's '172 on automatic spelling correction is invalid. This expert cited prior art from patent No. 7,880,730. Testimony is scheduled to resume Friday. The case is expected to go to the jury at the end of the month.
— Rick Merritt, Silicon Valley Bureau Chief, EE Times