United States - Patent Detectives

VLSI Scores Partial Reversal Against Intel at Federal Circuit: Court Clarifies Binding Effect of Extraterritoriality Stipulations and Scope of Prosecution History Estoppel

The U.S. Court of Appeals for the Federal Circuit issued a precedential opinion on April 14, 2026, reversing in part the...

2026.04.20

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Stanford AI Index 2026: China Holds 74 Percent of Global AI Patents While the U.S. Falls to 12 Percent

Stanford HAI AI Index 2026 reveals China received 74.2 percent of all AI patents granted globally in 2024, while the U.S. share fell to 12.1 percent.

2026.04.20

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ColumnCompany Analysis

Trump Administration Imposes Up to 100 Percent Tariffs on Patented Pharmaceuticals: The IP Implications of Excluding Generics

Up to 100% tariffs on patented drugs, generics exempt. How patent status became the dividing line for U.S. trade policy.

2026.04.20

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IP News

USPTO Dismisses TikTok’s Patent Challenges, Finding Chinese Government May Be a Real Party in Interest

USPTO vacated seven TikTok IPRs under the Tianma precedent, citing unresolved Chinese government ties as real party in interest.

2026.04.20

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IP News

Federal Circuit Reverses Noninfringement Rulings in VLSI v. Intel, Reviving Patent Claims on Extraterritoriality and Equivalents

The U.S. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision on April 14, 2026, reversing the...

2026.04.17

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IP News

PTAB IPR Filings Hit Historic Low in Q1 2026: 64% Drop and Discretionary Denial Surge Signal Structural Shift

PTAB inter partes review petitions collapsed 64% year-over-year in Q1 2026 to just 131 total filings. Institution rates for NPEs fell to 24.6%, discretionary denials surged 622% YoY, and ex parte reexamination hit its second-highest level in history. Analysis of the structural shift in U.S. post-grant proceedings.

2026.04.16

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IP News

USPTO Creates Pre-Order Response Procedure for Ex Parte Reexamination—Patent Owners Get 30 Days to Contest SNQ Before Order Issues

The USPTO introduced a new Pre-Order Response Procedure for ex parte reexamination effective April 1, 2026. Under an Off...

2026.04.16

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IP News

PTAB Petition Filings Collapse 64% in Q1 2026—Discretionary Denials Drive Historic Low

PTAB petition filings fell 64.2% year-over-year to a historic low of 131 petitions in the first quarter of 2026, accordi...

2026.04.16

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IP News

USPTO Launches ‘Class ACT’ AI Agent to Cut Trademark Classification Time from Five Months to Five Minutes

The United States Patent and Trademark Office (USPTO) announced on March 19, 2026, the launch of "Class ACT" — the Trade...

2026.04.15

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IP News

USPTO Director Vacates All Seven TikTok IPRs Over Foreign Government RPI Under Tianma Framework

USPTO Director John A. Squires vacated all seven inter partes review (IPR) proceedings that TikTok Inc. had filed agains...

2026.04.15

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IP News