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SBC Communications v. Frames Patent?

Last year British Telecom (BT) lost its legal challenge against Prodigy to charge US ISPs a fee for using hyperlinks. A court ruled that ISPs do not infringe a patent filed by BT more than 25 years ago. BT had asserted that the U.S. patent 4,873,662 covers hyperlinks (Also see a compilation of articles for further information on the case). Now SBC Communications claims that it owns the right to links that stay visible on the page during navigation. SBC sent an e-mail to the site demanding a licence fee. If the claim would be valid, SBC could demand fees from every company that puts links in frames.


You can read the letter at the website.



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