What should I do if the claims adjuster for the guilty party of an accident asked for 3 years of medical records?

Personal injury attorneys usually give a free consultation. It is really recommended you consult with one. If there is no court action they can't...

If i'm willing to give up full custody to my ex-wife, do I still have to continue to pay child support?

Yes you still have to pay child support whether you pay support or not unless parental right are Terminated

Does anyone know if there are grandparents rights in Washington state?

Grandparents do not have rights Any third party can go for custody but then they have to prove parents unfit and many other requirements

Can I draw papers for child custody in Washington if the mother resides in Oregon?

Depends where the child is. Wa state has jurisdiction of the child has been here for 6 months

Would I have a case to sue the probation dept?

Notify the police and the probation department

I have question on Termination parental rights.

Child support and visitation are two separate issues. Paying less child support does not change your visitation. Sounds like you need to modify...

What should I if I want to change something in the divorce petition but my husband is not yet served?

Do an amended petition. Same as the other one just call it amended petition. That can contain all the changes. Have him Served with that

When is filed and served and will start on the later date (date the last of the two happens )

Can I sue the social worker who wrote my home study? or email the judge in my case ?

You can challenge the report or object to it but cannot sue them and you also cannot email the Judge.

What's the next step when the non moving party doesn't file a response to a proposed parenting plan modification?

Serve and file a motion for default and then you can enter the parenting plan you served the person with