difference between public domain and CC0?

difference between public domain and CC0?

Postby rubberduck » 30 Oct 2013, 08:54

Is there a difference between public domain and CC0?
this forum also has different "signs" for it: :pd: and :zero:

why are there two licenses that mean (nearly or exactly?) the same?
https://notabug.org/rbduck/Nucleagacy
my puzzle / action game in godot 4
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Re: difference between public domain and CC0?

Postby Julius » 30 Oct 2013, 10:04

AFAIK CC0 was created by the Creative Commons foundations because "public domain" is not clearly defined in many countries and thus lacks the same kind of legal status as a "proper" license like the CC0.
CC0 was however created to reflect what most people understand "public domain" means (e.g. I think close to the legal definition in the U.S.A).
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Re: difference between public domain and CC0?

Postby qubodup » 30 Oct 2013, 14:31

Good question.
The Problem
Dedicating works to the public domain is difficult if not impossible for those wanting to contribute their works for public use before applicable copyright or database protection terms expire. Few if any jurisdictions have a process for doing so easily and reliably. Laws vary from jurisdiction to jurisdiction as to what rights are automatically granted and how and when they expire or may be voluntarily relinquished. More challenging yet, many legal systems effectively prohibit any attempt by these owners to surrender rights automatically conferred by law, particularly moral rights, even when the author wishing to do so is well informed and resolute about doing so and contributing their work to the public domain.

A Solution
CC0 helps solve this problem by giving creators a way to waive all their copyright and related rights in their works to the fullest extent allowed by law. CC0 is a universal instrument that is not adapted to the laws of any particular legal jurisdiction, similar to many open source software licenses. And while no tool, not even CC0, can guarantee a complete relinquishment of all copyright and database rights in every jurisdiction, we believe it provides the best and most complete alternative for contributing a work to the public domain given the many complex and diverse copyright and database systems around the world.

Using CC0
Unlike the Public Domain Mark, CC0 should not be used to mark works already free of known copyright and database restrictions and in the public domain throughout the world. However, it can be used to waive copyright and database rights to the extent you may have these rights in your work under the laws of at least one jurisdiction, even if your work is free of restrictions in others. Doing so clarifies the status of your work unambiguously worldwide and facilitates reuse.

Source: http://creativecommons.org/about/cc0
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