A Delaware complaint based on open account, breach of contract, and unjust enrichment refers to a legal document filed by a plaintiff (the party making the complaint) against a defendant (the party being sued) in the state of Delaware. The complaint alleges the defendant's actions which have led to the plaintiff suffering financial loss or harm due to an open account, breach of contract, and unjust enrichment. Keywords: 1. Delaware complaint: A legal document filed in the state of Delaware to initiate a lawsuit. 2. Open account: A type of account between a seller and buyer where goods or services are provided on credit, and the buyer has not paid the full amount owed. 3. Breach of contract: A violation or failure to fulfill the terms and conditions agreed upon in a legally binding contract. 4. Unjust enrichment: A legal concept where a defendant unfairly benefits at the expense of the plaintiff, without providing appropriate compensation. Different Types of Delaware Complaints based on Open Account, Breach of Contract, Unjust Enrichment: 1. Delaware Complaint for Open Account: This type of complaint focuses specifically on the defendant's failure to pay for products or services provided by the plaintiff on credit, resulting in an outstanding open account balance. 2. Delaware Complaint for Breach of Contract: This complaint addresses the defendant's failure to fulfill the terms and conditions outlined in a legally binding contract, resulting in financial harm or loss to the plaintiff. 3. Delaware Complaint for Unjust Enrichment: This complaint alleges that the defendant has been unjustly enriched at the expense of the plaintiff, typically by receiving a benefit or gaining an advantage without compensating the plaintiff fairly. In each of these complaints, the plaintiff seeks legal remedies such as monetary damages or specific performance to rectify the harm caused by the defendant's actions or omissions. The complaint serves as a formal notification to the court and the defendant, outlining the specific allegations and providing a basis for the legal claim.