36 · Content + toolCopyright Public Domain Calculator
Copyright Public Domain Calculator
without the guesswork.
Copyright Public Domain Calculator：保守区间与核验提示 · 内容与工具混合页。结果仅在页面内计算，不上传输入数据。
Primary search intentwhen does copyright expire3 related keyword signals · L3 release tier
L3 · verify before relying
Your result
Aug 20, 2096
按美国作品的选定默认路径生成公版参考日期。
作品类型个人作品
作者去世日Aug 20, 2026
参考期满Aug 20, 2096
Read before relying
Context matters.
- 1978 年前作品、未发表遗作、续展与特殊规则未覆盖；版权律师/美国版权局资料优先。
RulePack 1.0.0
Draft / verifySources & scope
This page is generated from a versioned rule record. It shows the source trail and review state alongside the result.
CalcSpanPlain-date calculation method and input semanticsINTERNAL-METHOD-001 · retrieved 2026-08-20U.S. Copyright OfficeCircular 15a: Duration of CopyrightSRC-LOC-COPYRIGHT-001 · retrieved 2026-08-19
JurisdictionUnited States — verify state/federal scope
Next review2027-02-20
PrivacyNo input upload