Hello from Amazon Selling Partner Support,

Thank you for messaging us back again. I acknowledged that you are having an issues in regards to error 5665 for brand "TAKAICHI  SANAE" and you want to change it to a non-brand. Again, we apologies for the frustration and inconvenience this issue has caused, as we know the impact of this to you and your business. It would be my pleasure to assist you and ensure to provide you a more detailed information about the process.

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Hello from Amazon Selling Partner Support,

I appreciate your effort to messaging us back! I acknowledge once more that you are encountering an error 5665 for brand "TAKAICHI SANAE" and you want to change it to a non-brand. We are sorry for the inconvenience that may have caused, as we know that this is very important to you and your business. I will assure to provide you a best assistance in regards to this.

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Hello from Amazon Partner Selling Support,

Thank you for your effort to email us back! I understand that you have confirmed and now accepted to a non-branded application, however, the Trademarks rights are not registered. Rest assured that we are going to assist you regarding the concern, as we know the the impact of this to your sales and business.