Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!uakari.primate.wisc.edu!brutus.cs.uiuc.edu!apple!oliveb!tymix!cirrusl!sun505!dhesi From: dhesi@sun505.UUCP (Rahul Dhesi) Newsgroups: comp.binaries.ibm.pc.d Subject: Re: rumor: LZW patented by Unisys Message-ID: <964@cirrusl.UUCP> Date: 12 Oct 89 01:54:58 GMT References: <1989Oct9.205917.13123@attdso.att.com> Sender: news@cirrusl.UUCP Reply-To: dhesi%cirrusl@oliveb.ATC.olivetti.com (Rahul Dhesi) Organization: Cirrus Logic Inc. Lines: 13 In article <1989Oct9.205917.13123@attdso.att.com> tim@attdso.att.com (Tim J Ihde) writes: >According to PC-Week's "Spencer Katt" article of October 2, the LZW >data compression algorithm is patented by Unisys. Has anybody heard >anything about this? Things could get messy if this is true . . . Stale news; did the Katt just figure this out? LZW was patented several years ago by people at Univac. Univac doesn't exist anymore, and in the confusion of Univac becoming Unisys, nobody bothered to worry about enforcing the patent. Rahul Dhesi UUCP: oliveb!cirrusl!dhesi