I also have 1Password on Snow Leopard in the same computer. The license there is fine.
I shut down the Snow Leopard drive hoping to find a way to insert the license into el capitan.
As above, no luck. I am still informed that my trial has expired.
Thanks for you help.
1Password Version: 6.02
Extension Version: 4.5.3
OS Version: Not Provided
Sync Type: dropbox