Advice needed on 3D printing patented designs

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

3D printing patented designs. I've been dealing with this for about 3 months now and the situation isn't improving.

This involves original creative work over the past 36 months. I do not have documentation proving my ownership and timeline.

What are my legal options here? Is it worth pursuing?

This happened to me too. Have you tried filing a complaint with the relevant agency? In my case they investigated and it got resolved without needing a lawyer.

Following this thread — Following this thread -- same thing is happening to me right now.

This happened to me too. Have you tried filing a complaint with the relevant agency? In my case they investigated and it got resolved without needing a lawyer.