Daniel F. Klodowski
- Indexed articles, last 90 days
- 4
- Latest publication
- Sep 10, 2026
- Outlet visibility, for Mondaq
- Top 500K sites
- Earliest in this view
- Jul 8, 2026
Latest articles
Federal Circuit PTAB Appeal Statistics For June And July 2026 (opens the original)
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In June and July 2026, the Court of Appeals for the Federal Circuit issued 23 total opinions in appeals from post-grant proceedings at the PTAB. These are summarized below by month. Of the eight opinions it issued in June, the Federal Circuit affirmed the PTAB on every issue in 5 cases (62.50%). The court issued a mixed outcome, in which some issues were affirmed on appeal and some were not, in 1 case (12.50%): the precedential opinion in Hafeman v. Google LLC (No. 2024-1600). The Court issued 2
IPR And PGR Statistics For Final Written Decisions Issued In June And July 2026 (opens the original)
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From June to July 2026, the PTAB cancelled 638 (54.67%) instituted claims across 72 IPR and PGR Final Written Decisions, including decisions issued following remand from the Federal Circuit. After review, 529 (45.33%) instituted claims survived. For comparison, the cumulative average cancellation rate of instituted claims in IPR, CBM, and PGR Final Written Decisions is about 74%. On a per-case basis, no instituted or substitute claims survived in 34 (47.22%) decisions, all instituted claims surv
IPR And PGR Statistics For Final Written Decisions Issued In May 2026 (opens the original)
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In May, the PTAB cancelled 228 (71.25%) instituted claims across 24 IPR and PGR Final Written Decisions, including decisions issued following remand from the Federal Circuit. After review, 91 (28.44%) instituted claims survived. For comparison, the cumulative average cancellation rate of instituted claims in IPR, CBM, and PGR Final Written Decisions is about 74%. On a per-case basis, no instituted or substitute claims survived in 16 (66.67%) decisions, all instituted claims survived in 4 (16.67%
Federal Circuit PTAB Appeal Statistics For March–May 2026 (opens the original)
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In March through May 2026, the Court of Appeals for the Federal Circuit issued a total of 42 opinions in appeals from post-grant proceedings at the PTAB. These are summarized below by month. In March, the Federal Circuit affirmed the PTAB on every issue in 7 cases (77.78%), including one precedential decision in Implicit, LLC v. Sonos, Inc. (No. 20-1173). The court issued a mixed outcome, in which some issues were affirmed on appeal and some were not, in 2 cases (22.22%). The Court did not issue
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