Report on the Filing or Determination of an Action Regarding a Patent or Trademark (AO 120) is a document that is issued by the United States Patent and Trademark Office (USPTO). This document is used to report on the filing or determination of any action related to a patent or trademark, such as the filing of an application, the granting of a patent, the denial of a patent, the registration of a trademark, or the abandonment of a trademark application. It also provides information on the status of a patent or trademark, the parties involved, and any future deadlines. The AO 120 is divided into two types: 1. AO 120A: This type of report is issued when an application has been filed for patent or trademark protection. It includes information about the date of filing, the title of the invention or mark, the applicant, the attorney of record, and the application number. 2. AO 120B: This type of report is issued when a patent or trademark is granted, denied, or abandoned. It includes information about the date of the decision, the title of the invention or mark, the applicant, the attorney of record, and the application number. The AO 120 is an important document for patent or trademark holders, as it provides information about the status of their applications and the progress of their IP protection. It is also used to monitor the progress of a patent or trademark application and to ensure that all deadlines are met.