Expiry of x86-64 patents

By: wumpus (lost.delete@this.in.a.cave), April 20, 2019 8:32 am
Room: Moderated Discussions
Groo (charlie.delete@this.semiaccurate.com) on April 20, 2019 7:29 am wrote:
> anyone (any-dont.delete@this.me.com) on April 20, 2019 7:11 am wrote:
> > AMD didn't patent the x86-64 instruction set, but there are x86-related patents. x86 patents
> > are not on the instruction set, which may be copyrighted for the specific mnemonics and
> > names used for various features, but for implementation techniques. Unfortunately, patents
> > are often overly broad or obvious, so even a clean reverse engineering attempt may fall
> > afoul of many circuit implementation or even software emulation technique patents.
> >
> > Transmeta was the last successful non-licensee to battle Intel over x86 patents
> > because Transmeta had built up a powerful defensive patent portfolio.
> >
> > See: https://jolt.law.harvard.edu/digest/intel-and-the-x86-architecture-a-legal-perspective
> Based on what I have researched, mainly talking to some key people involved, I don't
> think Transmeta would have prevailed in the next round of legal battles that were
> about to be filed. Not sure I can say more but the fight was not completed.
> -Charlie

Cyrix won every legal battle with Intel, but I've heard the claim that they spend 9 dollars on lawyers for every one dollar on engineering. When fighting something the size of Intel, having the law on your side isn't enough.
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TopicPosted ByDate
Expiry of x86-64 patentsBeastian2019/04/19 09:05 AM
  Expiry of x86-64 patentsGian-Carlo Pascutto2019/04/19 09:46 AM
    Expiry of x86-64 patentsBeastian2019/04/19 10:06 AM
    Expiry of x86-64 patentsJukka Larja2019/04/19 10:44 AM
      Expiry of x86-64 patentsGian-Carlo Pascutto2019/04/19 11:12 AM
        Expiry of x86-64 patentsJukka Larja2019/04/19 12:41 PM
          Expiry of x86-64 patentsRobert Williams2019/04/19 01:18 PM
          Expiry of x86-64 patentsGian-Carlo Pascutto2019/04/19 02:35 PM
      Expiry of x86-64 patentsGeoff Langdale2019/04/19 02:52 PM
        Expiry of x86-64 patentsJukka Larja2019/04/19 09:38 PM
      Expiry of x86-64 patentsYuhong Bao2019/04/20 02:35 PM
  Expiry of x86-64 patentsDoug S2019/04/19 10:40 AM
    Expiry of x86-64 patentsBeastian2019/04/19 11:10 AM
      Expiry of x86-64 patentsRobert Williams2019/04/20 08:15 AM
  Expiry of x86-64 patentsanyone2019/04/20 07:11 AM
    Expiry of x86-64 patentsGroo2019/04/20 07:29 AM
      Expiry of x86-64 patentswumpus2019/04/20 08:32 AM
  Intel vs AMD patentsYuhong Bao2019/04/20 02:32 PM
    Intel vs AMD patentsBeastian2019/04/20 03:35 PM
  Expiry of x86-64 patentsTravis Downs2019/04/20 07:24 PM
    Expiry of x86-64 patentsnone2019/04/21 07:36 AM
      Expiry of x86-64 patentssomebody2019/11/27 10:44 AM
      Expiry of x86-64 patentsAnon32019/11/27 05:16 PM
        Expiry of x86-64 patentsTravis Downs2019/11/27 06:17 PM
      Expiry of x86-64 patentsMontaray Jack2019/11/28 12:03 AM
        Expiry of x86-64 patentsnone2019/11/28 01:57 AM
          Expiry of x86-64 patentsdmcq2019/11/28 11:20 AM
            Expiry of x86-64 patentsMontaray Jack2019/11/29 05:00 AM
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