Photography / Image Rights: AI art used without permission

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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 in a difficult situation and trying to figure out my next steps.

AI art used without permission. I've been dealing with this for about 6 weeks now and the situation isn't improving.

This involves original creative work over the past 19 months. I do have documentation proving my ownership and timeline.

Should I hire a lawyer for this or try to handle it myself?