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Posted by senaevren 1 day ago

Who owns the code Claude Code wrote?(legallayer.substack.com)
460 points | 431 commentspage 4
TheFirstNubian 1 day ago|
The elephant in the room, of course, is what constitutes “meaningful human authorship.” However, I cannot shake off the feeling that all user interactions with these AI models are being logged. Perhaps this may turn out to be the bigger concern in a potential legal battle than code authorship.
senaevren 1 day ago|
The meaningful human authorship question is the elephant, agreed, and the regulators have deliberately refused to quantify it for exactly the reason you describe any bright line number becomes a target to game rather than a standard to meet.

The logging point is sharper than it might appear. In a copyright dispute over AI-assisted code, interaction logs could cut both ways. A plaintiff trying to establish human authorship would want the logs to show substantial architectural redirection, multiple rejections of Claude output, and documented reasoning for structural decisions. A defendant challenging that authorship claim would subpoena the same logs to show verbatim acceptance of output without modification.

The practical implication i guess here,that the developers who want to preserve a copyright claim over AI-assisted code should treat their prompt history as a legal document from the start. It seems all over the world the logs are the evidence. Whether they help or hurt depends entirely on what they show.

TheFirstNubian 19 hours ago||
The bit about treating one’s prompt history as a legal document has really struck a nerve with me. I’ve been keeping a separate git history solely for my prompts. Initially, the goals were simple: reuse prompts, turn some into skills, etc. But in light of the insights from the article and the discussions here, I need to treat this practice as serious business.
zuzululu 21 hours ago||
I think it's pretty clear cut, whoever is paying for your agentic coding tool subscription is part of the litmus test.

I use my own computer, I pay for my own subscription and I build my open source projects then the code belongs to me.

If I use my company's computer, they pay for my subscription and we work on the company's projects then the code belongs to the company.

In any step of the way if some copy-left or any other form of exotic open source license is violated, who pays for discovery? Is it someone in Russia who created a popular OSS library that is now owed? How will it be enforced?

kazinator 14 hours ago||
> Code that Claude Code or Cursor generated and you accepted without meaningful modification may not be copyrightable by anyone.

Except if it happens to regurgitate a significant excerpt of some existing work, then the authors of that can assert their copyright; i.e. claim that it infringes.

lofaszvanitt 2 hours ago||
This is a non issue, since any complex thing needs a lot of human oversight, otherwise it's nothing more than a multitentacled monstrosity.
joshka 1 day ago||
If you want to go much deeper, https://www.copyright.gov/ai/ is particularly good at least on the side of comprehensiveness.
randyrand 18 hours ago||
Normally this solved with an employment contract: "Anything you write, the copyright is transferred to your employer"
bearjaws 1 day ago||
Article is incredibly fear mongering.

Twice in my career the owners of a company have wanted to sue competitors for stealing their "product" after poaching our staff.

Each time, the lawyers came in and basically told us that suing them for copyright is suicide, will inevitably be nearly impossible to prove, and money would be better spent in many other areas.

In fact, we ended up suing them (and they settled) for stealing our copyrighted clinical content, which they copied so blatantly they left our own typos and customer support phone number in it.

Go ahead, try to sue over your copyrighted code, 10 years and 100M later you will end up like Google v Oracle. What if the code is even 5% different? What about elements dictated by external constraints; hardware, industry standards, common programming practices, these aren't copyrightable.

Then you have merger doctrine, how many ways can we really represent the same basic functions?

Same goes with the copyleft argument, "code resembling copyleft" is incredibly vague, it would need to be verbatim the code, not resembling. Then you have the history of copyleft, there have been many abuses of copyleft and only ~10 notable lawsuits. Now because AI wrote it (which makes it _even harder_ to enforce), we will see a sudden outburst of copyleft cases? I doubt it.

Ultimately anyone can sue you for any reason, nothing is stopping anyone right now from suing you claiming AI stole their copyleft code.

senaevren 1 day ago|
[dead]
giancarlostoro 16 hours ago||
Did Claude Code not start out as human input? Would it not be safe to say that a reasonable amount of it is still human input? But also, just because its mysteriously "not theirs" doesn't mean they magically have to give you the code.
hmokiguess 20 hours ago||
Tangential but I find this an interesting parallel from a few years ago:

https://www.vice.com/en/article/musicians-algorithmically-ge...

pelasaco 2 hours ago|
so as i understood GPL dont cover code written by agents?
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