# Patent Assignment Daily XML (PADX) This dataset contains daily patent assignment (ownership) text (no drawings/images) for 10/18/2016 derived from patent assignment recordations made at the USPTO. ## Context Each day, the US Patent and Trademark Office (USPTO) records patent assignments (changes in ownership). These assignments can be used to track chain-of-ownership for patents and patent applications. For more information about Ownership/Assignability of Patents and Applications, please see the [USPTO Manual of Patent Examining Procedure (MPEP), Section 301][1]. * **Frequency**: Weekly (MON-SUN) * **Period**: 10/18/2016 Inspiration This dataset provides insight into where new knowledge and technological advances originate in the United States. To get started working with XML files, fork the kernel [Exploring Daily Patent Assignment Files][2]. You can use this dataset to understand what sector is currently up-and-coming or which companies are filing a lot of patents, which can proxy their level of innovation, a corporate strength, or a focus of new research and development. ![Exploring Daily Patent Assignments Files][3] ## Acknowledgements The USPTO owns the dataset. These files are extracted nightly from the Assignment Historical Database (AHD). ## License [Creative Commons - Public Domain Mark 1.0][4] [1]: https://www.uspto.gov/web/offices/pac/mpep/s301.html [2]: https://www.kaggle.com/the1owl/d/uspto/patent-assignment-daily/exploring-daily-patent-assignments-files [3]: https://www.kaggle.io/svf/441320/a6bdce278d093c91424ea5b96296db3e/__results___files/__results___6_0.png [4]: https://creativecommons.org/publicdomain/mark/1.0/