Unverified60% confidenceFactExact time
U.S. copyright law traditionally protects 'expression' rather than 'ideas,' and pure game rules are generally not protected by copyright.
2
Sources
60%
Confidence
Long-term
Relevance
9/6/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedFrom a copyright law perspective, 'ideas' such as narrative structure and genre conventions in literary works are not protected by copyright; what is protected is the specific 'expression.'78% similarUnverifiedThe preservation of unreleased game prototypes often exists in a copyright gray area, with different game companies taking different stances—some tacitly permitting preservation, others resorting to legal action.77% similarUnverifiedThe 'look and feel' of an interface is generally not directly protected by copyright under United States copyright law.76% similarUnverified在著作权法框架下，衍生作品需获得原版权持有人授权，但大多数国家对非商业性粉丝创作持默许态度75% similarUnverifiedThe mainstream position of the U.S. Copyright Office and the EU tends to hold that mere prompt input is insufficient to constitute a creative choice in the sense of copyright law.74% similar
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