How to handle lawsuit/settlement notices addressed to my passed father

Since my father passed away 3.5 years ago, I have received a handful of lawsuit/settlement postcards in his name and then eventually settlement checks. They are always really small but I still dislike throwing money away. His estate is closed so with no place to deposit them they expire. All my paperwork is up to date with all the different county clerks offices.

What’s the best way to handle?

Hope the law firm is gonna take the time for me to prove ownership and review all my documents? I tried with one before and didn’t hear anything back.

It’s obvious they aren’t going to update all the title/owner paperwork before contacting the Settlement Class.

Anyone else on the forum figure out how easiest to get all there ancestors settlement monies?

Thanks!

For reference, this is in Hughes Co. Oklahoma

Kawulok-JMA Energy Settlement