Microsoft is suing Barnes & Noble for using Google's Android operating system on their e-book readers and tablet without a license from Microsoft. Microsoft is threatening or claiming patent infringement.
Barnes & Noble made a presentation about Microsoft's behavior to the USA Department of Justice antitrust division (pdf).
http://www.groklaw.net/pdf3/MSvBN-slides.pdf
There is an overview of these patents at networkworld and more detailed coverage at groklaw.
http://www.networkworld.com/community/node/79179
http://groklaw.net/article.php?story=20111111121548972
http://groklaw.net/article.php?story=2011111122291296
The below patent summary text is adapted from a page within the B&N presentation (above pdf) and can also be found as a jpg image at networkworld.
networkworld.com/community/files/imce/img_blogs/
microsoft_patents.jpg
Below are patent numbers
D – discussed prior to litigation
L – asserted in litigation
D,L #6,339,780
placing a loading status icon in the content viewing area of a browser
D #5,579,517 #5,758,352
compatibility of file names employed by current and outmoded operating systems
D #5,652,913
storing input/output access factors in a shared data structure
D #6,791,536 #6,897,853
simulating mouse inputs using non-mouse devices
L #5,778,372
browser that recognizes background images in an electronic document and displays the background images after text – i.e. duplicative display
L #5,889,522
putting known tab controls into an operating system for use by all applications, rather than providing tabs on an application-by-application basis
L #6,891,551
using handles to change the size of selection areas for selected text
L #6,957,233
storing and displaying of annotations of text which is not modifiable
slashdot coverage:
http://yro.slashdot.org/story/11/11/15/171201/barnes-noble-names-microsofts-disputed-android-patents
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Groklaw has more about the MS vs B&N case. B&N has filed a 45 page supplemental notice of prior art.
Itworld has an overview. Groklaw has more detailed coverage.
http://www.itworld.com/mobile-wireless/225615/barnes-noble-pummels-microsoft-patents-prior-art
http://www.groklaw.net/article.php?story=20111116222255905
The above Groklaw story has incorporates the text from the prior art notice. The notice is also available as a pdf.
http://www.groklaw.net/pdf3/BNobleITC-676372-464213.pdf
slashdot coverage:
http://yro.slashdot.org/story/11/11/18/1813234/bn-pummels-microsoft-patent-claims-with-prior-art
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