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Since launching Petition.ai’s searchable database of publicly available patent petition documents filed with the United States Patent and Trademark Office (USPTO), the most searched petition type, by far, is for a Retroactive Foreign Filing License (RFFL). Anecdotally, patent practitioners believe it is difficult, if not almost impossible, to obtain a RFFL. However, while the process may take a long time and may require several petitions, our analysis shows requests for RFFLs are often granted, eventually. A future article will examine the most common reasons why RFFL petitions are dismissed. Finally, our research uncovered some troubling issues with the substantial number of the granted petition decisions not available for public review.