In a recent note, Anne & Lynn Wheeler said: > Date: Tue, 5 Dec 2006 09:55:07 -0700 > > IBM sues maker of Intel-based Mainframe clones > http://www.eetimes.com/news/latest/showArticle.jhtml;jsessionid=BKMIXSNECXW0OQSNDLSCKHA?articleID=196601610 > > from above: > > In its second major patent enforcement action in as many months, IBM > is quietly suing an Intel-backed maker of computers that uses a > version of IBM's high-end mainframe operating system reconfigured to > run atop Intel's industry standard processors, InformationWeek has > learned. > And: ... In a lawsuit, IBM alleges that the mainframe "emulator systems" offered by Platform Solutions Inc. violate IBM patents on its z/OS operating system as well as patents relating to its previous mainframe operating system, known as OS/390. ... It's interesting that they appear to be pursuing violations of software patents rather than hardware patents. Why? How?
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