Need help understanding convertible note maturity extension

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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

Sorry for the wall of text. I've been trying to resolve this on my own but I'm stuck.

convertible note maturity extension. I've been dealing with this for about 15 months now and the situation isn't improving.

I have already consulted briefly with a lawyer but got conflicting advice.

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