JPEG challenged by Patent

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JPEG challenged by Patent

Nov 19th, 2005

The Public Patent Foundation ("PUBPAT") filed a formal request with the United States Patent and Trademark Office today to revoke Compression Labs Inc.'s ("CLI") patent on data compression that the company is widely asserting against an international standard for the electronic sharing of photo-quality images. In its filing, PUBPAT submitted previously unseen prior art showing that the patent, which was issued in 1987, was not new and, as such, should be revoked.

http://arstechnica.com/news.ars/post/20051118-5598.html
http://www.pubpat.org/Chen_672_Reexam_Filed.htm