Uspto patent online filing
CAF is currently also being promoted at IP5 level, a project involving the main patent offices (EPO, USPTO, SIPO, KIPO, JPO) with a view to reducing duplication The examination process starts when you file a patent application with the USPTO. The Patent Office will review your application and issue an Office Action You can also access U.S. patent applications online. Start at uspto.gov/patft. Next , under the heading Related USPTO Services, click on Tools to Help Searching