How do I calculate the exact public domain expiration date for a book written by an American author who passed away back in the nineteen nineties?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How do I calculate the exact public domain expiration date for a book written by an American author who passed away back in the nineteen nineties?
1 real search · 1 real-search pass
U.S. Copyright Office copyright duration works published before 1978 95 years publication life plus 70 author deathGoogle ↗
OBSERVEDReason
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
U.S. Copyright Office copyright duration works published before 1978 95 years publication life plus 70 author death Google ↗
- How Long Does Copyright Protection Last? (FAQ) · copyright.gov
- Copyright Term and the Public Domain - Copyright · guides.library.cornell.edu
- Circular 15A Duration of Copyright · copyright.gov