It could be for either. You can loom up the information from the court (possibly online).

It is possible if the terms of service so state.

Yes it is legal. The attorney may be entitled to some part of the attorney fee, depending in the reasons fir the dispute between lawyer and client.

A lawyer may refer you to another lawyer, but you can reject that lawyer snd hire someone different.

It may not yet be time to consider a lawsuit but you should be told why it is taking so long.

Yes. And you may have a case for fraud.

You do not have to but you may want to to lien after acquired property.

Yes there are. But, any attorney so doing, would benefit from coordinating with your current attorney. Speak to your attorney about you concerns...

If they stopped representing you in 2015, then it is likely past the statute of limitations to sue. It is unclear that, if they stopped...

Yes, that is a potential medical malpractice case. There is also a potential product liability case.