Response from M-Systems
David.Woodhouse at mvhi.com
Fri Jul 9 17:16:43 EDT 1999
jgg at deltatee.com said:
> Ah, then it gets complex, since you don't have any patent right to
> give you have contradicted the terms of your own license. The
> conservative view is that anyone you give it to has no license to use
> it because they cannot comply with the license,
I honestly can't see how. Much as I disagree with the concept of software
patents, and I hope we don't have them inflicted upon us here in the UK - I
can't see what the GPL's restriction is. I'm aware of the _intention_, but the
GPL doesn't actually appear to assert the the code must be _usable_ by anyone.
In fact, it explicitly states that it's only about "copying, distribution and
modification", and the patent doesn't attempt to restrict you from either of
those three activities; only from _using_ the code with non-M-Systems'
hardware. You can do what you like with it, but as soon as you actually start
using it on hardware that's not produced by M-Systems, you're violating the
Yes, this is a contentious statement for me to make, and one which runs
contrary to the spirit of the GPL, but I really can't see where the flaw is in
Also, consider the context. I'm talking about releasing code myself under GPL
- not suggesting that M-Systems do so. I'm trying to convince them that it's
safe to allow me to do so; and to assist me by giving me specs. So this 'flaw'
in the GPL actually works to our benefit in this case.
If someone duplicates their hardware, and it comes to court, then there are
two possible scenarios:
1. My reasoning is shown to be correct - M-Systems win the case.
2. My reasoning is shown to be incorrect. Results:
I was never allowed to release the code under GPL in the first place.
--> The GPL license on the code the competitor is using is invalid.
--> The competitor is using unlicensed code.
--> The competitor is _also_ violating M-Systems' patents.
So either way, M-Systems have no reason to avoid giving me the specs for the
hardware and allowing me to release GPL'd code. It's good for us and it's good
for them. Worst case: The GPL on the code gets retracted at some later date,
after we're all using it.
There's also the fact that any reverse-engineering would lead to BSD-licensed
code, just to spite them - so releasing GPL'd code is in fact a way for them
to _restrict_ the terms of the source distribution in the long term.
---- ---- ----
David Woodhouse David.Woodhouse at mvhi.com Office: (+44) 1223 810302
Project Leader, Process Information Systems Mobile: (+44) 976 658355
Axiom (Cambridge) Ltd., Swaffham Bulbeck, Cambridge, CB5 0NA, UK.
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