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PGR Filings Tick Up, But Still Infrequent, PTAB Litigation Blog

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PGR petition filings were up slightly over the prior USPTO fiscal year, but the long-term historical trend continues to show that PGR challenges remain relatively infrequent.

We recently reported on the PTAB’s release of its final statistics for Fiscal Year 2021 (October 1, 2020 through September 30, 2021).  The PTAB’s trial statistics for Post-Grant Reviews (PGRs) and Inter Partes Reviews (IPRs) are available here.

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