Calling the Adult Protective Service will likely do nothing. The issue is how impaired is your father. If slight, he can do what he wants,...

Yes, if jurisdiction is not complete within 120 days, and time to serve has not been extended, the action should be dismissed.

DNA testing. If no one related to your father will cooperate, then you can get a court order for it in the Surrogates Court.

Next of kin must get notice so sounds like yes.

Not valid and cannot be pursued. That is the point of a will.

It is not a problem. You need to do what is called a "cta" petition in your uncle's estate, and convey the co-op to yourself. If there are no...

No, but perhaps there never was an estate, and you need to form one for this asset.

You can fire the lawyer. You always could have fired the lawyer. You never had to even hire the lawyer in the first place. Not sure why you paid...

Depends on who owns the house now and what your status is like executor, owner, etc.

No. But you can refuse to serve if the will is probated.