Case escalation rules are a feature that can be used to meet this requirement. Case escalation rules can automatically escalate cases that meet certain criteria, such as being open for more than a specified time or having a certain priority. Escalation rules can assign cases to a different owner or queue and send email notifications to the support manager or other recipients. Reference: https://help.salesforce.com/s/articleView?id=sf.case_escalation.htm&type=5