Open Source License Compliance: former employee took trade secrets

English isn't my first language so bear with me. Has anyone dealt with something like this? I'm not sure what my options are.

former employee took trade secrets. I've been dealing with this for about 8 months now and the situation isn't improving.

This involves original creative work over the past 33 months. I do not have documentation proving my ownership and timeline.

What's the typical outcome in situations like this?

Idk but just want to point out — the statute of limitations might be a factor here. In some states it's as short as 1-2 years. Don't sit on this too long fwiw.