A California Plaintiff's Opposition to Defendant's Motion to Dismiss is a legal document filed by a plaintiff in California in response to a defendant's motion to dismiss a claim or lawsuit. The purpose of the opposition is to argue why the lawsuit should not be dismissed and should proceed to trial. It can include facts, legal arguments, and any other relevant information that is pertinent to the lawsuit. There are two types of California Plaintiff's Opposition to Defendant's Motion to Dismiss: a demurrer and a motion for summary judgment. A demurrer is a legal document used to challenge the sufficiency of a plaintiff's complaint, while a motion for summary judgment is a request for a judge to make a decision in the case without a trial. Both types of opposition document require the plaintiff to provide an argument for why the lawsuit should not be dismissed.