USPTO Datasets

Contains recorded maintenance fee events for patents granted from September 1, 1981 to present. Each new weekly file (Tuesday) is cumulative with a file format of ASCII.

Contains the images of USPTO Petition Decisions from the USPTO Image File Wrapper (IFW) System, one of the components of the USPTO Public Patent Application Information Retrieval (PAIR) System. The images are Adobe Portable Document Format (PDF). The IFW Petition Decisions are organized by an eight digit patent application number (two digit series code plus a six digit application number) ascending.