Patent Infringement Question - reverse engineering software

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Illustrative scenario prepared by my practice.
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Hypothetical question

Has anyone dealt with something like this? I'm not sure what my options are.

reverse engineering software. I've been dealing with this for about 6 weeks now and the situation isn't improving.

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

Illustrative response

I mean nAL, but from what I've read, you should send a written demand. That's the general rule anyway, exceptions exist.