What legal action do we need to take to get an engagement ring back if she is not willing to give it back of her own free will.

Litigation is your only option.

Last court date for divorce proceedings dec '11 - attorney was given 30 days to file finalization paperwork - still not filed

It's not clear what you mean by "look over" - but the only way to have the papers reviewed is to hire someone to do it. As to filing paperwork on...

How to file perjury case ? where to file it?

You can't file a perjury case, only a prosecutor can.

Can I sue for defamation?

Sure. But you'll lose.

That depends upon the attorney you hire to do the appeal. Hourly rates vary considerably.

What happens to the person who lied under oath in the court ?

It's unlikely that jail will be involved - though it is a potentially serious problem. Presumably your ex will be back in court seeking the child...

If I been in mediation with the divorce and custody, do I have back another mediation again?

You should discuss your situation in detail and your options with a local family law attorney.

1974 divorce in Germany

You can hire someone in the town in which you got the decree to search the court records.

Modification in petition

It's not clear what you mean by the "petion has been approved by the court." If the petition has been filed but not adjudicated under most...

Can I move with my children from NY to NJ? I want to leave my husband but the only family I have is in NJ.

It sounds like you need to discuss your situation in detail with a divorce attorney.