According to recent press articles, British Telecom have just discovered
that they have a US patent on hyperlinks and are intending to try to
get royalties from US ISPs.
I don't know the scope of the patent, but if it covers browsers, and they
choose to demand royalties on, even just commercial, use in browsers,
the Lynx licence to re-distribute would become void (GPL clause 7).
They apparently let non-US patents lapse, but the US patent took so long
to obtain that it is still valid. My, lay, understanding is that a
British patent could not affect use in pure software.
(BT's own web site is a classic example of Lynx unfriendliness - even
the status 404 pages are blank without Javascript! Parts of BT Research
do understand accessiblity, but that has little to do with what the
operational side does.)
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