How do I handle company using my music without sync license?

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Illustrative scenario prepared by my practice.
For informational purposes only. This is not legal advice. Laws vary by jurisdiction. Consult a qualified attorney for advice specific to your situation.
Hypothetical question

I'm dealing with a situation and need some guidance.

company using my music without sync license. I've been dealing with this for about 11 months now and the situation isn't improving.

This involves original creative work over the past 29 months. I do have documentation proving my ownership and timeline.

What's the typical outcome in situations like this?

Illustrative response

NAL, but from what I've read, you should send a written demand. Standard disclaimer: talk to an actual attorney for your case.