What is the patent agent's receipt for opening a case, and what is the corresponding procedure?

The patent agent's filing receipt refers to mailing the notice and decision to the parties through the post office, which means mailing the notice and decision to the parties through the post office. Unless otherwise specified, the mailed documents shall be registered, and the registration number, the address and name of the recipient, the file category, the patent application number involved, the date of issue and the issuing department shall be registered in the computer. A letter sent back by post, indicating the date of reply. With the consent of the Patent Office, the patent agency can receive the notice and decision on time at the time and place designated by the Patent Office. Under special circumstances, with the consent of the Patent Office, the parties themselves may receive the notice and decision at the time and place designated by the Patent Office. In addition to face-to-face delivery of the acceptance notice and document receipt at the acceptance window, other documents should be registered and signed when delivered face to face. Under special circumstances, the parties shall sign or seal the original notice, decision or application documents, and record the name, number and issuing unit of the party's identity documents. Electronic services For a patent application submitted in electronic form, if the Patent Office sends various notices, decisions and other documents to the applicant in the form of electronic documents, the applicant shall receive them in the manner agreed in the user registration agreement of the electronic patent application system. If the notice and decision issued by the announcement to the Patent Office are returned, the examiner shall check with the documents; If it is determined that the document cannot be mailed again due to unclear delivery address or other reasons, it shall be announced in the patent bulletin to inform the parties concerned. One month after the date of announcement, the document shall be deemed to have been delivered.