How to disclose the patent letter by agency patent

Generally, it is sent to the agency, depending on whether the patent agency fills in your address or the agency's address in the application documents.

However, no matter what address you use, if someone sends you a letter, you will know whether it is true or not by reading the contents of the letter. As for patents, it must be China Intellectual Property Office. Their letters are sent to all parts of the country in the form of registered letters, which must bear the red seal of China Intellectual Property Office. If you pretend like this, it's not just illegal. If any other organization sends you a letter, to be honest, it usually has bad intentions.

If your agency says the letter will be sent to them, that means the address they fill in is their address. This is what most organizations do.