3yrs old when I was ran over & my mom also a minor settled.now im 18 & still have effects from injury can I reopen to sue

Settlement agreements are usually final.

What steps do we need to take to get full custody of our niece and nephew?

Hire a lawyer. See http://www.courts.wa.gov/forms/?fa=forms.contribute&formID=29

Giving someone power of attorney when i was incarcerated .

Sure you can sue, but whether you can get any money back is the real question. If you had a good attorney draft the power of attorney document for...

Do I have a case against a failed and lost birth control?

See https://app.leg.wa.gov/RCW/default.aspx?cite=7.70. You need another doctor to look at the medical records and form an opinion about whether...

How do I remove false info on public record that links me to my Landlord who is a registered Sex offender? HIS DISCLOSURE?

Inform the applicable agency about the correct information. See https://app.leg.wa.gov/RCW/default.aspx?cite=9A.44

My name & picture on a show I never gave consent to

To win a defamation case, you usually have to prove the defendant made false, defamatory, unprivileged statements about you to a third party,...

Try the KCBA: http://www.kcba.org/For-the-Public/Hire-a-Lawyer

Do I need to get a lawyer for my son to appear for a protective order against him?

You should definitely retain a good lawyer who knows criminal law for that.

Can I sue my landlord because my cat died by eating something toxic that gave her cancer??

It seems unlikely that a lawsuit on those facts would be successful.

What is the time prescribed by law to file a claim against a contractors insurance company?

A lawsuit for breach of contract may be your best bet.