This page provides information on the types of patents and types of patent applications, and the examination process. (73) Filing an application without an attorney is possible, but even with some guidance it is definitely not without its challenges.An ADS isn't needed for a provisional patent application. It's not hard, but it's time consuming. You can file a provisional patent application with a description and drawings to secure a priority date. In exchange for publishing detailed information about an invention, a patent owner has the right to exclude others from using that invention for the life of the. The phrase patent pending may be attached to a product while its inventor is pursuing exclusive rights to its design or the process used to create it. It needs to have a full and complete description, with diagrams, flowcharts, pseudocode or sourcecode. However, you are not required to file claims in a provisional patent application. This means you need a complete description of the invention.