W3C sides with Microsoft against Eolas patent

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October 29, 2003 (IDG News Service) -- The World Wide Web Consortium (W3C) has taken up Microsoft Corp.'s cause in a patent-infringement lawsuit by urging the U.S. Patent and Trademark Office to invalidate the related patent "in order to prevent substantial economic and technical damage to the operation of [the] World Wide Web."
In a long letter sent yesterday by W3C Director Tim Berners-Lee to James Rogan, U.S. undersecretary of Commerce for Intellectual Property, Berners-Lee claims that "prior art" -- a legal term referring to technology in existence at the time a patent is applied for -- proves that U.S. Patent No. 5,838,906 (the so-called '906 patent) is invalid and that the Patent and Trademark Office should re-examine the case for issuing the patent in the first place.
In August, a jury in Chicago ordered Microsoft to pay $520.6 million in damages to Eolas Technologies Inc. and the University of California, the holders of the '906 patent, which covers the technology allowing interactive content to be embedded in a Web site (see story).
Although Microsoft is appealing the ruling, the software company is also making changes to its Internet Explorer Web browser that may affect a "large number of existing Web pages," the W3C said in a statement today that accompanied a copy of Berners-Lee's letter.
"Removing the improperly disruptive effect of this invalid patent is important not only for the future of the Web, but also for the past," Berners-Lee said in the letter. "The '906 patent is a substantial setback for global interoperability and the success of the open Web."
Berners-Lee is generally credited as leading an effort, with Robert Cailliau, to write the underlying protocols -- including HTTP and HTML -- for what later came to be known as the World Wide Web, at the CERN nuclear research center in Switzerland in the late 1980s. In 1994, he founded the W3C, of which Microsoft and a number of its competitors, such as Oracle Corp., Sun Microsystems Inc. and RealNetworks Inc., are members.
The technology covered in the '906 patent was developed by Eolas President Michael Doyle at the University of California, San Francisco. The patent describes in part "a system allowing a user of a browser program ... to access and execute an embedded program object," or small computer programs, often referred to as "applets" or "plug-ins."
Berners-Lee and the W3C have presented the Patent and Trademark Office with two prior-art publications, "Raggett I" and "Raggett II," which the consortium said relate to HTML+, a proposed specification extending the features of HTML. "While we understand that the submitted prior art was introduced during the course of the recent trial proceedings, the issue of whether it renders the '906 patent invalid was never considered," the W3C said in its separate Section 301 prior-art filing.
Berners-Lee's letter goes on to say that even apart from the prior-art filing, the technology presented in the '906 patent added nothing to already existing practices in word processing programs, which display documents instead of Web pages.
"For example, more than a year before the claims of the '906 patent was filed, a word processing program called Write, provided with Microsoft Windows 3.1, enabled users to embed into Write documents graphic images created with the Paint program," Berners-Lee said. "The Write program would then invoke the Paint program to display the illustration within the same window as the rest of the document."
Representatives from the Patent and Trademark Office, the W3C and Microsoft couldn't immediately be reached for comment.

Reprinted with permission from

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