According to this article, it was patented in 1985 and will expire in 2003.

http://news.cnet.com/news/0-1005-200-1713278.html

On Fri, Jan 26, 2001 at 11:40:10AM -0500, [EMAIL PROTECTED] wrote:

> I have a quick question.  Does anyone know what the time limits on
> software patents are?  I ask because I am curious about the patent
> on LZW compression.  If the documents I have read are accurate, LZW
> compression was patented in 1983. 


-- 
"Erik Reuter" <[EMAIL PROTECTED]>       http://www.erikreuter.com/

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