Software cos. eye key patent case in Supreme Court

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In this photo made on Tuesday, Nov. 3, 2009, WeatherWise CEO Rand Warsaw talks in the conference room of his offices in Pittsburgh about his patent case that is being heard by the Supreme Court. (AP Photo/Keith Srakocic)

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Software cos. ey... In this photo made on Tuesday, Nov. 3, 2009, WeatherWise CEO Rand Warsaw talks in the conference room of his offices in Pittsburgh about his patent case that is being heard by the Supreme Court. (AP Photo/Keith Srakocic)
New `Call of Dut... In this photo made Wednesday, Nov. 2, 2009, a release date is shown on an advertisement for Call of Duty: Modern Warfare 2 sign at GameStop in Redwood City, Calif. (AP Photo/Paul Sakuma)
Deja vu: Wal-Mar... In this screen shot taken from WalMart.com, Friday, Nov. 6, 2009, Wal-Mart is upping the ante heading into the holiday season, trimming the online preorder prices of some upcoming DVDs following last month's price cut on books.(AP Photo/WalMart.com)
Activision posts... In this photo made Monday, Nov. 2, 2009, Activision's Guitar Hero video game is displayed at a Micro Center store in Santa Clara, Calif. Activision Blizzard Inc. releases quarterly earnings at the close of the market Thursday, Nov. 5, 2009.(AP Photo/Marcio Jose Sanchez)
DirecTV shows su... In this photo made Tuesday, Nov. 3, 2009, an installer's truck is parked outside a DirecTV customer's home in Little Rock, Ark. DirecTV Group Inc., the nation's largest satellite TV operator, said Thursday, Nov. 5, that its revenue grew 10 percent in the third quarter as it added more new customers, but profits suffered from higher marketing and equipment costs incurred to attract them.(AP Photo/Danny Johnston)
No Doubt sues vi... FILE - In this Sept. 25, 2009 file photo, the band, No Doubt, performs at the F1 Rocks concert in Singapore. (AP Photo/Joan Leong, file)
Microsoft CEO: W... Microsoft CEO Steve Ballmer speaks during a news conference in Tokyo, Japan, Thursday, Nov. 5, 2009. Ballmer said sales of Microsoft Corp.'s new Windows 7 operating system have been "fantastic" in Japan since its launch last month. (AP Photo/Koji Sasahara)
Cisco forecasts ... A sign outside Cisco Systems headquarters in San Jose, Calif. is shown Wednesday, Nov. 4, 2009. Cisco Systems Inc. says its quarterly income dropped 19 percent but that recession-dampened orders are improving. (AP Photo/Paul Sakuma)
NY joins the ant... FILE - In this Jan. 9, 2009 file photo, a netbook equipped with an Intel Atom processor is demonstrated at the International Consumer Electronics Show in Las Vegas. New York's attorney general on Wednesday, Nov. 4, 2009 hit Intel Corp. with an antitrust lawsuit, claiming the company used "illegal threats and collusion" to dominate the market for computer microprocessors. (AP Photo/Jae C. Hong, file)
Review: Motorola... The new Motorola Droid smart phone is shown in San Francisco, Tuesday, Nov. 3, 2009. (AP Photo/Russel A. Daniels)
A growing PayPal... Graphic shows net revenue for Ebay.com and PayPal, also includes PayPal's active users since
Microsoft lays o... FILE - In this Jan. 22, 2009 file photo, a man walks on the Microsoft headquarters campus in Redmond, Wash. Microsoft Corp. on Wednesday, Nov. 4, 2009 said it is cutting 800 more jobs in addition to the 5,000 layoffs it announced in January. (AP Photo/Elaine Thompson, file)
Microsoft CEO: I... Microsoft CEO Steve Ballmer delivers a speech during a meeting with the media in Seoul, South Korea, Monday, Nov. 2, 2009. Microsoft CEO Steve Ballmer said Monday corporate spending on information technology will not recover to levels seen in recent years before the global economic slowdown. (AP Photo/ Lee Jin-man)
IAC reports 3Q p... The IAC building is shown, Oct. 26, 2009 in New York. IAC/InterActiveCorp, which runs Match.com, Ask.com and other Web sites, said Tuesday that asset sales helped it profit in the third quarter while advertising revenue continued to slump. (AP Photo/Mark Lennihan)
DreamWorks beats... This publicity still released by DreamWorks Animation shows a scene from DreamWorks Animation's "Monsters vs. Aliens." DreamWorks Animation SKG Inc. shot past analyst estimates in releasing third-quarter earnings Tuesday, Oct. 27, 2009, saying its only release this year, "Monsters vs. Aliens," is off to a strong start in the home video market. (AP Photo/ DreamWorks Animation LLC)
Microsoft hopes ... A customer takes a new Windows 7 software in a store in Rosenheim, southern Germany, on Thursday, Oct. 22, 2009. Microsoft Corp. put a new edition of Windows on sale Thursday, hoping for a fresh start after a bad reception for the previous version of the software that runs most of the world's personal computers. (AP Photo/Christof Stache)
MySpace Music vi... This image provided by MySpace shows a Facebook page featuring a video by singer Ashley Tisdale. Social-networking site MySpace is using its joint venture with recording companies to launch a music video service that will pop into millions of profiles at rival Facebook as well. Starting Wednesday Oct. 21, 2009, music videos that MySpace has licensed for its site will run as well on the iLike music recommendation application, which the News Corp. unit acquired for $20 million. (AP Photo/MySpace)
Investors lap up... The Apple logo is seen on an Apple store in San Francisco Monday, Oct. 19, 2009. Apple Inc. is expected to release fourth-quarter earnings after the closing bell. (AP Photo/Russel A. Daniels)
PepsiCo iPhone a... PepsiCo Inc's "Amp up before you score" iPhone application is shown in New York Wednesday, Oct. 14, 2009. PepsiCo Inc. is facing criticism for the application that promises to help men "score" with two dozen stereotypes of women by giving users pickup lines and a scoreboard to keep track of their conquests. (AP Photo/Dan Goodman)
Review: Windows ... In this screen shot provided by Microsoft Corp., a look at Windows 7 is shown. (AP Photo/Microsoft Corp.)
Intel stokes hop... In this Sept. 22, 2009 photo, convention attendees uses Intel computers in San Francisco. Intel Corp. is expected to release third quarter earnings after market close Tuesday, Oct. 13, 2009. (AP Photo/Paul Sakuma)
Data and contact... FILE - In this Feb. 10, 2009 file photo, students use their T-Mobile Sidekicks at Boston Arts Academy in Boston. T-Mobile USA on Monday, Oct. 12, 2009 said owners of Sidekick phones may have lost all the personal data they stored on the phone, including contact numbers, due to a failure of servers operated by Microsoft. (AP Photo/Charles Krupa, file)
Where's the next... Pakistani army troops run to take position near their own army's headquarters in Rawalpindi, Pakistan on Sunday, Oct. 11, 2009. Pakistani commandos raided their own army's headquarters Sunday to free 30 people held hostage by Islamist fighters who staged a brazen attack on the compound while wearing military uniforms. (AP Photo/Anjum Naveed)