Service on corporation's registered agent.

Don't sweat. Get affidavit from server that he tried then follow procedure for publication. Failure to accept will cost them. Federal case you can...

My father stated in his will that he would like my sister which is nine to have his house. We live in Utah. How does that work?

She will get the house in trust or the probate will remain open til she is 18

Can you write up an agreement and keep it? If not then divorce.

My biological father passed away. What am I entitled to.

If you were adopted by another man, no. If not nevada divides 2/3 of separate property between kids. Will trumps all.

Are there any circumstances in which an irrevocable trust can be revoked?

Yes. If it is too small to support the admin costs. You must petition court to amend or decant.

PA single, never married mother to be. What must she do to obtain sole physical and legal custody at the time of birth?

Call atty. child support. Get father to waive paternal rights.

Is a lease still valid if it was signed by a person claiming he owned a property management company? He used a false name also

Did you pay rent? If not then get a real lease with someone else. If you did get lawyer.

Can a signed affidavit act as my medical power of attorney?

Each state has their form. You must use it to be sure it will be accepted. Otherwise guardianship may be expensive.

Who's name is on the account. That is who owes on The phone.

If an attorney has a court order and he doesn't follow it. is that contempt of court.

Depends on what order says. Probably that his client shall do something. Other defenses available need info.