PTAB - Patent Detectives

IPR Petitions Collapse to Historic Low — Ex Parte Reexamination Overtakes IPR for First Time Since AIA

Only 11 IPR petitions were filed in the four-week window ending May 2, 2026 — the lowest period since the system began in 2012. Ex parte reexamination has overtaken IPR for the first time as the leading post-grant validity tool.

2026.05.11

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Fourth Circuit Affirms USPTO Withholding of PTAB Drafts in Centripetal Networks IPR Repaneling FOIA Case

The U.S. Court of Appeals for the Fourth Circuit issued a published opinion on May 5, 2026, in Malone v. United States P...

2026.05.10

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Federal Circuit Affirms PTAB Rejection of DraftKings’ Late-Raised Ground Against Surviving Claim 18

The U.S. Court of Appeals for the Federal Circuit (CAFC) on May 6, 2026, issued its decision in DK Crown Holdings Inc. v...

2026.05.10

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Q1 2026 Patent Dispute Report: PTAB Filings Plunge 64% as ITC Section 337 Complaints Surge 70%

Patent dispute statistics for the first quarter of 2026 reveal a dramatic structural shift in U.S. patent enforcement ve...

2026.05.07

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IPR Filings Hit Historic Low as Ex Parte Reexamination Eclipses Inter Partes Review for First Time Since AIA

Inter partes review (IPR) petitions filed at the U.S. Patent and Trademark Office have fallen to a level not seen since ...

2026.05.05

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Google Petitions U.S. Supreme Court Over USPTO’s ‘Settled Expectations’ IPR Denials

Google filed a petition for a writ of certiorari at the U.S. Supreme Court on April 27, 2026, challenging the U.S. Paten...

2026.05.04

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PTAB Pending Inventory Falls Below 2,000 for First Time in 20 Years as Director Squires Denies All IPR Petitions

The Patent Trial and Appeal Board's total pending inventory fell to 1,866 cases as of March 31, 2026, breaking below 2,0...

2026.04.29

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PTAB Section 101 Reversal Rate Has Doubled Under Director Squires, Seven Months of Data Confirm

The Patent Trial and Appeal Board (PTAB) is reversing examiner rejections under 35 U.S.C. § 101 at roughly double the ra...

2026.04.27

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USPTO Introduces Pre-Order Submission in Ex Parte Reexamination, Giving Patent Owners a Voice Before SNQ Determination

The United States Patent and Trademark Office (USPTO) signed an Official Gazette Notice on April 1, 2026, establishing a...

2026.04.27

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Federal Circuit Partly Reverses PTAB in Centripetal Networks v. Keysight, Finding All IPR Claims Obvious

The U.S. Court of Appeals for the Federal Circuit (CAFC) on April 23, 2026 issued a nonprecedential opinion in Centripet...

2026.04.25

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