Re: [oc] i386 legally

["Sudarshan" <sudarshan@globaledgesoft.com>]

Hi

This is country dependent, in India you can do without any prob.

Sudy
----- Original Message -----
From: Niclas Hedhman <niclas@hedhman.org>
To: <cores@opencores.org>
Sent: Saturday, May 24, 2003 1:00 AM
Subject: Re: [oc] i386 legally


> On Thursday 22 May 2003 06:51 pm, H. Peter Anvin wrote:
> > Niclas Hedhman wrote:
> > > 80386 was released ~1987, so patents would be covered for another 8-10
> > > years. Exactly what patents there are on the 80386 is hard to know
> > > without a search.
> >
> > Again, IANAL, but this is my understanding of things:
> >
> > a) A patent cannot be filed more than 1 year after the invention was
> > offered for sale;
>
> I think this may be country dependent. Sweden for sure is that the patent
must
> be filed before it has been otherwise published, in print or in product.
>
> > b) Patents are valid until 20 years after date of file, *or* 17 years
> > after date of issue (in the U.S. only and only for patents filed before
> > some time in the late '90s.)
>
> Ohh. I thought it was 25 years. Nevertheless, 17years after issue, is
another
> interesting part, since many patents take years from filing to issuance,
the
> IC for instance was ~2 decades.
>
> > It's thus unlikely that if a processor was released in 1987 that there
> > would be any valid patents after 2008.
>
> OTOH, what on 80386 was NEW? ;o) v86 mode perhaps? Who needs that
nowadays?
>
> Niclas
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