On 2 April 2012 21:10, Jan Pöschko <jan.poesc...@gmail.com> wrote:
> I am quite aware of the potential risk of being sued, but still I don't know
> what to do about it. Isn't this a general problem when creating (free)
> software? The patent you mentioned could easily be applied to Sage as well –
> so how do you deal with that there?

Try to get it hosted somewhere like Nigeria.

> Should I contact Wolfram and explicitly ask whether they're "okay" with
> Mathics?

I would not, as you can be sure they would say "no". They tried this
with Richard Fateman, who produced a lisp program which took some
Mathematica input. I'm not sure if Richard wrote back to them, or just
ignored them, but his code is still around.

> Could I trust a "yes" and should I just accept a "no"? Given that
> I'm not a legal expert and don't have the money to hire one, should I rather
> take down Mathily to avoid any risks?

Well, since it's GPL, you could always take it down, and someone else
will get it hosted somewhere like Nigeria. Somehow I don't think they
would bother trying to stop that!

There are many countries where software piracy is very common, and in
such a country Wolfram Research would not waste their time trying to
pursue anyone hosting a web site with your code. They might in the
USA, Europe and a few others places, but there are vast areas of the
world where their lawyers would know they would be wasting their time.

My attitude would be:

1)  Host it as you do now.
2) If they moan, point out the Borland/Lotus case, and ask how they
think your situation is materially different from that, which was
settled in the Supreme Court in favor of Borland, who made a clone of
Lotus 123.
3) If they look to get more serious, agree to take it down. Someone
woud bound to get it hosted in a country where WRI would not waste
their time.

Dave

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