[Haskell-cafe] Patents on Maybe and Tuple

[Alfred Matthews]

http://lists.llvm.org/pipermail/llvm-dev/2017-August/116266.html

Sorry, this is a necessary omission by me.

On Wed, Jan 30, 2019, 10:42 PM Alfred Matthews <asm13243546 at gmail.com>
wrote:

> Also by my reading a patent derived from LLVM does not restrict either
> LLVM or ( the same thing ) its IR. The patent covers (only)
> processor-specific instructions and such forks and their subsidiary.
>
> At the least, not its ideas.
>
> Uninteresting, in our context.
>
> I am an untitled intelligent reader. Pay me if you wish.
>
> Ymmv.
>
> On Wed, Jan 30, 2019, 10:21 PM Alfred Matthews <asm13243546 at gmail.com>
> wrote:
>
>> @Saurabh thanks. Well done.
>>
>> Are the patents each not effectively processor-specific?
>>
>> At the very least, the LLVM and subsidiary IRs are of interest.
>>
>>
>> On Wed, Jan 30, 2019, 10:17 PM Flavio Villanustre <fvillanustre at gmail.com>
>> wrote:
>>
>>> I'm no patent attorney either, but there is a temporal component when it
>>> comes to invalidating patents due to prior art, and Haskell is demonstrably
>>> "very prior" to these claims, even though it's not mentioned there.
>>>
>>> Only something that appeared after the patent was filed initially would
>>> potentially constitute infringement, as long as the claims made in the
>>> patent weren't made public by the inventors themselves prior to the filing,
>>> of course.
>>>
>>> I guess, Haskell is safe and we live to see another day... :)
>>>
>>> Flavio
>>>
>>> On Wed, Jan 30, 2019, 21:51 Saurabh Nanda <saurabhnanda at gmail.com wrote:
>>>
>>>> Also, the wording seems to be sufficiently broad to cause some concern
>>>>> to Haskell & Rust compilers, but the compilation of two programs in two
>>>>> unrelated languages will probably prevent an infringement.
>>>>>
>>>>
>>>> Actually, the teams working on languages like Eta, Kotlin, and Scala
>>>> should be really worried about these series of patents and should get
>>>> infringement analysis done by an experienced IP lawyer, and/or press for
>>>> invalidation of these patents.
>>>>
>>>> -- Saurabh.
>>>>
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>>
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