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by bdowling 1342 days ago
Note: In the US, this concept is explicitly in the Copyright Act:

"In no case does copyright protection for an original work of authorship extend to any idea, procedure, process, system, method of operation, concept, principle, or discovery, regardless of the form in which it is described, explained, illustrated, or embodied in such work." (17 USC 102(b) [0]).

See also the "Useful Articles" doctrine. [1]

[0] https://www.law.cornell.edu/uscode/text/17/102

[1] https://en.wikipedia.org/wiki/Copyright_law_of_the_United_St...