How Do You Prove Negligence in a San Bernardino Personal Injury Case? Call a San Bernardino personal injury lawyer today.A claim against the City of San Bernardino must be filed with the City Clerk within 6 months after the incident or event occurred. Be sure your claim is. To file a claim against the County please complete the form below, print, sign and send to the address listed on the form. Proving liability will rest on establishing fault, demonstrating negligence, and providing substantial evidence in your case. Statute of limitations. If they fail in their duty and you are injured as a result, you have the right to file a premises liability claim in San Bernardino. When the negligence of another party causes you injury, you can take legal action to secure compensation and hold that person responsible. When the negligence of another party causes you injury, you can take legal action to secure compensation and hold that person responsible.