To file a civil case in the USA courts , you typically need to follow these steps : 

1. Determine Jurisdiction : Identify the appropriate court based on the type of case and the location of the parties involved.
2. Prepare Complaint / Petition : Draft a complaint or petition outlining the details of your case , including parties involved , facts ,and legal claims .
3. File the complaint / petition : Submit the complaint or petition to the clerk of the court in the jurisdiction where you're filing . There may be specific filing fees required , which vary by court and jurisdiction .
4. Serve the Defendant : Ensure that the defendant receives a copy of the complaint / petition and a summons , notifying them of the lawsuit .
5. Await Response : The defendant has a certain period to respond to complaint /petition , usually within 20-30days , depending on the jurisdiction. 
6. Proceed with Litigation: Depending on the response , the case may proceed to trail or settlement negotiations.