Microsoft has filed a patent lawsuit against bookseller Barnes & Noble, accusing the company of running infringing software on its Android-based Nook e-reader.

Google's decision this week to ask the U.S. Patent & Trademark Office to re-examine a number of the Oracle patents at issue in the companies' ongoing intellectual-property case could have a significant effect on how the dispute plays out.

Oracle has issued a set of draft bylaws that it hopes will guide the process of developing its preferred open-source version of the Java programming language, the OpenJDK.

Some PC makers are halting sales of PCs with Sandy Bridge processors as they try to work out issues related to Intel's faulty chipset, companies said on Wednesday.

Longtime Microsoft executive Bob Muglia, president of the company's server and tools business, will step down from his position later this year, according to a Steve Ballmer memo issued Monday to company employees.

Chip developer Rambus has filed patent infringement lawsuits against six chip makers including Broadcom and Freescale Semiconductor in the U.S., and said it is also seeking to ban the import of products that infringe its patents.

Problems with its SAP system are forcing San Diego to delay a city budget audit for six months, in just the latest tale of woe for the troubled ERP (enterprise resource planning) project.

Google and a reseller of its products have filed a lawsuit against the U.S. Department of the Interior after the agency solicited bids for cloud-based e-mail and messaging services specifying that bidders must use Microsoft products.

The global body in charge of allocating Internet addresses expects to hand out the final blocks of IPv4 (Internet Protocol version 4) addresses to regional registrars early next year, it said Monday.

Microsoft filed patent infringement complaints against Motorola and its Android phones in the International Trade Commission and U.S. federal court Friday, indicating that the software giant may hope to use its strong patent position as one way to set its mobile software apart from the competition.

Those who attended Oracle CEO Larry Ellison's keynote address at the OpenWorld conference on Wednesday hoping to learn a wealth of new detail about the vendor's long delayed Fusion Applications likely left disappointed, but plenty of vital information was available throughout the week for those interested enough to pursue it.

Google continues to aggressively pursue social-networking capabilities, this time with the acquisition of Angstro.

A firm owned by Microsoft co-founder Paul Allen has filed a lawsuit against Google, Apple, Facebook, and other companies alleging that they have violated patents related to search, multimedia, screen pop-ups and database management.

Oracle has filed a lawsuit against Google, charging that its Android phone software infringes Oracle patents and copyrights related to Java, Oracle said on Thursday.

Another week, another Facebook privacy issue.

The U.S. Patent and Trademark Office issued a final confirmation of a patent awarded to i4i that is at the heart of a dispute with Microsoft and that once threatened the sale of Word software.

Apple launched the iPhone 4 Case Program app in the App Store a few days ago, and is expected to invest somewhere in the neighborhood of $175 million on the free bumper program aimed at reluctantly addressing reception issues with the iPhone 4. There is something that doesn't add up, though, about the timing that makes the program seem like a bait-and-switch designed to brush the problem under the rug.

Only minutes after the Q&A session for their press conference on iPhone 4 antenna issues wrapped up, Apple has uploaded a streaming video of that press conference for all to see on its Website. This video lacks the Q&A session, but does contain the entire presentation as delivered by Steve Jobs, including the tongue-in-cheek YouTube video that kicked it off.

Consumer Reports magazine today said it won't recommend Apple's iPhone 4 because of major reception issues when users touch the external antenna. One analyst called the publication's conclusion a "black eye" for Apple.

And lo, Cupertino speaks at last. Responding to numerous complaints and criticisms about poor cell signal reception on the iPhone 4, Apple has issued a letter on its Website saying that the fault is due not to hardware design, but to the algorithm used to calculate bars of reception.