[PHP-DEV] legal stuff, LZW compression, localization From: waldschrott (waldschrott <email protected>)
Date: 07/27/00

I´ve been told to read this from
http://www.unisys.com/unisys/lzw/

"More and more people are becoming aware that the reading and/or writing
of GIF images requires a license to use Unisys patented Lempel Ziv Welch
(LZW) data compression and decompression technology, including United
States Patent No. 4,558,302, Japanese Patent Numbers 2,123,602 and
2,610,084, and patents in Canada, France, Germany, Italy and the United
Kingdom. Since January of 1995, Unisys has entered into almost two
thousand license agreements for use of GIF and other LZW-based technology."

My information (from a big german ISP beeing in a big association) was
that it can be legally used in Germany. It would be great to receive
further information if anyone is informed better than me...

regards 

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