Real Estate Partner demands I Quick-Claim land back to her and break up Real Estate Contract. What do I do?

Sounds like the two of you need to sit and discuss settlement agreement terms. if you can't reach any terms someone should file a partition suit

Could there be a case here?

Sounds like they suspected you of drug use.

What are the laws on discounts for minority interest/lack of marketability for pecuniary bequests?

I'm hesitant to answer this without a lengthy consultation.

How do we find out what his tax debt Is?

I doubt that information is obtainable without court order or taxpayer consent

I suspect that matter may be too late to address but I may be wrong. Courts often do unusual things.

Do both parties have to put their names and sign agreement for it to be legally valid?

Full performance by both parties may be enough to carry the day. Speak with a local attorney to discuss all facts.

Courts will not bastardized a child so until you are married and you file a step parent adoption you are stuck with the parent.

What is it exactly should be done in an auto accident case?

My professional colleagues have answered this to death. I encourage you to speak with counsel as most have suggested

When restrictive covenants and right of way information are not included in a real estate closing is it legal?

Unfortunately yes. You have the right to file a claim if your title search did not catch it.

What steps do I need to take to prevent my ex from claiming our child on his taxes in my tax year?

First to file normally wins these cases. That is until you file a motion for contempt.