Trademark Dispute: AI art used without permission

English isn't my first language so bear with me. I'm dealing with a situation and need some guidance.

AI art used without permission. I've been dealing with this for about 9 weeks now and the situation isn't improving.

This involves content I created over the past 25 months. I do not have documentation proving my ownership and timeline.

Has anyone been through something similar? What worked for you?

Ok so been there. Here's what I learned.

Pro tip: always escalate. The frontline people can't do anything/manager. It took 1-3 months but was worth it fr fr.