alt Hacker NewsThere's also a legendary Star wars merch rights agreement that only expired because the rights holder forgot to send Lucas a check while the franchise was inactive.
Billions of dollars gone because of an oversight.
Arguably they didn't know Lucas was going to bring it back.
https://equinoxbusinesslaw.com/blog/how-hasbro-almost-blew-a...
There's an argument to be made that Lucas wouldn't have brought it back if they didn't miss the check. A little over half a mil of it's budget came from the initial payout of the new Hasbro deal.