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Message
From: Günter Dannoritzer<dannoritzer@w...>
Date: Sat Sep 29 14:54:38 CEST 2007
Subject: [oc] patents and logic cores
Hi,I have been searching in the mailing list archives for patents and how
they apply to logic cores. John Dalton did some interesting comparison
back in 2003 about the meaning of patents in the US and Australia.
What I am looking for, and did not find an answer in the archive is, how
do patents apply to the development of logic cores? Let's say I
implement an algorithm as explained and claimed by a national patent. Is
the design of that algorithm in HDL a patent infringement or is the
implementation of the HDL on a FPGA or ASIC the patent infringement?
Now to the national issue. I guess an infringement only applies to a
country where the patent is issued from. So in case of a national
patent, if that patent has not been issued in any other country, I would
be able to implement the algorithm and use it in all other countries,
except for the one country the patent has been issued from, without
causing an infringement?
How does that apply to opencores now? As the server is placed in one
country would it be possible to implement algorithms and post them on
opencores that are protected by a national patent, not issued in the
country the server is placed at?
I guess due to the mirror server that exist it would require to consider
patents issued in each country a mirror server is placed?
Thanks for anyone shedding some light on this topic.
Cheers,
Guenter
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