Unverified50% confidenceFactExact time
MMA通过之前，美国的机械版税授权依赖于1909年版权法中确立的强制许可机制，要求数字服务商逐一向每位词曲权利人发出使用通知
1
Sources
50%
Confidence
Long-term
Relevance
8/22/2026
First Seen
Sources
Related Entities
Related Claims
Unverified根据MMA规定，如果未认领版税在特定期限后仍无人认领，将按照市场份额分配给已注册的版权持有者66% similarUnverified美国版权法第102条规定版权保护延伸至固定在有形表达媒介中的原创作品65% similarVerifiedThe fair use doctrine established under Section 107 of the U.S. Copyright Act was codified in 1976, and courts must weigh four factors: the purpose and character of the use, the nature of the copyrighted work, the amount used, and the market impact.64% similarUnverified商标稀释保护由1995年《联邦商标稀释法》和2006年《商标稀释修订法》确立，为驰名商标提供超越传统混淆可能性标准的额外保护63% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/786678API
curl https://kongchang.com/api/v1/knowledge/claims/786678MCP
get_claim(id=786678)