I'll jump in here...

It's not the developer of the jpeg compression scheme that's trying to 
enforce the patent, it's a holding company that acquired the rights to a 
piece of the algorithm in a purchase of a another company.  IIRC, the 
patent expires in (literally) a couple months.

Read all about it here:
<http://asia.cnet.com/newstech/applications/0,39001094,39067756,00.htm>

An aside: The ISO has threatened to 'delist' the jpeg standard if the 
patent is upheld.

Jim

william ahearn wrote:
> "R.A. Cantrell" wrote:
> 
> 
>>Do certain forms, or levels, of  code  transcend the concept of property?
> 
> 
> Of course. There are always exceptions to ownership.
> The "eminent domain" concept is one although not an
> analogous one. We're not really talking property here
> as much as we are talking ownership. You can't
> copyright obvious inventions. There are other
> limitations. I think what will become the rule of thumb
> about software use is the current lawsuit involving
> JPEGs. I haven't followed this as closely as I would
> have liked but the gist is that the person(s) who
> developed the JPEG never enforced their copyright and
> now that the copyright is lapsing, they want everybody
> to pay or stop using it. Interesting to see what the
> courts have to say. 
> 
> William
> 
> PS: As for the Soviet analogy, let's not forget what
> happened to the Tsar, as well.
> 



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