This may include screenshots of the offending product listings, as well as any correspondence you have had with the seller.
2. Contact the copyright holder.
Provide them with the evidence you have gathered and ask them if they would like to take legal action. Some copyright holders may prefer to send a cease and desist letter, while others may choose to file a lawsuit.
3. Report the infringement to the platform where the product is being sold.
Most platforms have policies against copyright infringement, and will remove the offending products if they are notified.
4. Consider hiring a lawyer.
If you are not comfortable taking on the legal process yourself, you may want to consider hiring a lawyer to help you protect your rights.