False, unprivileged accusations of a crime were, at common law, considered defamation "per se". Canfield v. Clark, 196 Wn. App. 191, 385 P.3d 156...

Do I have to pay for damages in a car accident if I was not found at fault or ever issued a ticket?

Fault and liability are assigned according to negligence - the breach of the duty of ordinary care.

As an American being sued Canada for an MVA and the judgement goes above our policy limits, am I financially liable to pay?

You're lucky you have insurance coverage. Your insurance company should pay what you owe.

How do I sue the opthalmologists that caused my blindness with misdiagnosis and botched eye surgeries?

Don't try to do it alone. Call some medical malpractice attorneys in your area. i.e. https://medilaw.com/ https://www.fullerlaw.com/

How do I find a medical malpractice lawyer in Washington State?

Google it. or https://www.avvo.com/find-a-lawyer

Can I open a personal injury claim after an insurance claim?i?

If the claims company didn't successfully negotiate a settlement, then you don't owe them anything ("no win, no fee). You should retain an...

Fault in a car crash is the breach of the duty of ordinary care in the circumstances (i.e. not watching where you were going).

Can I sue a motorcycle dealership?

Most vehicle sales are "as is". You should inspect before buying. https://www.atg.wa.gov/buying-car

Can i sue back defamation on a minor who asks too much financial compensation?

Anybody who sues anybody has the burden of proving the allegations by a preponderance of the evidence. Anybody who is a witness to a crime (i.e....

Will I have to pay child support if the child I thought was mine was actually fathered by someone else

It's complicated. See RCW 26.26A.005 - 515. https://app.leg.wa.gov/RCW/default.aspx?cite=26.26A