2.要求语气和善。

Subject: Inquiry about the progress of patent submission

Dear [Patent Department],

I hope this email finds you well. I am writing to inquire about the progress of the patent submission that I have previously requested. I am very interested in knowing if there have been any developments or updates since my last inquiry.

I would like to express my appreciation for the hard work and dedication that your department has put into this process. I understand that the submission process can be time-consuming and complex, and I am grateful for your efforts in ensuring that the submission is of the highest quality.

If there are any issues or concerns that you would like to discuss with me, please do not hesitate to reach out. I am more than happy to collaborate with you to ensure that we achieve the best possible outcome.

Thank you for your attention to this matter, and I look forward to hearing from you soon.

Best regards,

[Your Name]