Should I seek legal counsel if my wife and toddler were involved in a low speed car accident where they were tboned?

My personal belief is you're always better off getting an attorney. You don't know the extent of the injuries just yet. They will lowball you.

Medical malpractice *is* negligence. The secretary's actions will be attributed to the doctor.

Which court do I file the lawsuit? What documents do I need to file? Can I file on-line? Is there another alternative to this?

You need a lawyer. You can't do this on your own. Don't waste any more time talking to the insurance.

Can we sue for defamation of character

You're going to sue over maybe losing one customer? Probably not worth it. It would make much better sense to stop yelling at each other around a...

Is there any action that I can take for being falsely accused of causing an accident against the TRUE at fault driver/insurance?

This is the exact reason you have auto insurance, hopefully. Let them handle it.

Can I get an injury attorney to represent me or is it too long after the accident to get reimbursed for my expenses and pain?

You can and should get an injury attorney, immediately. Someone should take your case.

Am I liable for her cleaning costs?

That sounds like nonsense. What exactly did you do wrong?

Traffic question

You still backed into another car on a street. That means you're going to be mostly at fault.

Can i receive compensation ?

You may have a WC case, and potentially a case against the maker of the machine. I would need to hear more about what it was and how this happened,...

What's next and

He (and you, if he passes away) may have a case against his employer. Best to search for products and/or workers' comp. attorneys.