Can an experienced business lawyer help me?

Yes a business law attorney with patent or trademark experience could assist with that issue

How will the will be perceived?

A court will interpret the will much the same as it would a contract looking at the black letter of the document first

Can a creditor continue to send payment missed reports years after what would have been the end of the contract?

You must understand a credit reporting agency merely reports what has been given to them they have no obligation to investigate or correct. If you...

Can I file to have them reinstated

Sorry reinstatement is highly unlikely.

What should be my next step and do i can i sue for my trouble?

Disclose the issues up front and seek to prevent questions.

How do I protect my family?

I'm sorry but I don't think we have enough to go on here. If someone lives in your home and poses a threat to others show them the door.

File a motion for an accounting and then smack your attorney for failing to answer this question for you.

Who is liable for this injury, the client or my girlfriend? Should she settle and then sue client to recover damages?

Turn it over to the work comp insurance and let them defend the claim.

Do I have to let him take the kids to his house or let him have them at all

This question is asked far too often. He is still the natural parent to the children. They aren't shoes you can keep from him to punish conduct...

What can I do to spare most of bank acct held in trust; my deceased sister didn't know about SNT, thought I was sole benef'y.

Hire counsel to file a request for an accounting.