The Webis Patent Retrieval Corpus 2012 (Webis-PRA-12) is a corpus for studying the impact of misspelled companies on patent retrieval.


You can access the Webis-PRA-12 corpus on Zenodo.

If you use the dataset in your research, please send us a copy of your publication. We kindly ask you to cite the corpus via [bib]. If you additionally want to link to the dataset, please use the dataset's [doi] for a stable link.


The corpus contains 14,189 different company names extracted on the basis of 2,132,825 patents granted by the United States Patent and Trademark Office (USPTO) between 2001 and 2010.