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- Path: sparky!uunet!mcsun!uknet!newcastle.ac.uk!tuda!dph3gds
- From: Graham.Shaw@newcastle.ac.uk (G.D.Shaw)
- Newsgroups: comp.sys.acorn
- Subject: Re: Why isn't everything PD ?
- Message-ID: <Bt6FDq.AHo@newcastle.ac.uk>
- Date: 18 Aug 92 11:17:50 GMT
- References: <1992Aug17.094849.10128@waikato.ac.nz> <2BkG0pj010n@st-andrews.ac.uk> <1992Aug17.141647.1@vxdesy.desy.de>
- Organization: University of Newcastle upon Tyne, UK NE1 7RU
- Lines: 14
- Nntp-Posting-Host: tuda
-
- In article <1992Aug17.141647.1@vxdesy.desy.de> burke@vxdesy.desy.de writes:
- >There is an end - as far as I know, algorithms can be PATENTED (much more
- >powerful than copyright). I assume that LZW isn't, otherwise you would have to
- >pay someone a (big) fee to use it.
- >
- The LZW algorithm is patented in the United States, by both IBM and
- Unisys (see the FAQ for comp.compression).
-
- I don't know whether there are any equivalent UK or netherland patents
- in existance (I suspect there probably aren't, but don't take my word
- on this).
-
- Graham Shaw (dph3gds@tuda.ncl.ac.uk)
- Department of Physics, Durham University, England.
-