You can follow the following steps: 1, check whether the store sign is similar to the other party's trademark, and belongs to the goods items on the trademark certificate to confirm whether the infringement; 2, to confirm that they have a trademark licensing contract to support their own legal source defense, in order to exempt from liability; 3, to confirm that the other party has the intention to settle the case, to settle the case with a lower amount of money; 4, to respond to the case positively.