IP Policy Institute Study Shows Significantly Higher Rates of Section 101 Invalidations for AI Patents

As the full Senate Judiciary Committee prepares to hold a major hearing on the state of U.S. patent eligibility law tomorrow, the IP Policy Institute has published a research paper authored by Amy Semet, Associate Professor of Law at the University at Buffalo School of Law, providing the first empirical data on subject matter eligibility issues for artificial intelligence (AI) patents asserted in U.S. district court litigation. The research paper finds that not only are AI inventions invalidated at a higher rate than non-AI inventions, but also, unexpectedly, that obviousness invalidations for AI patents are low due to an incredibly high rate of subject matter eligibility invalidations in the sector.

Federal Circuit Dismisses Patent Owner’s Patent Appeal for Lack of Appellate Jurisdiction

The U.S. Court of Appeals for the Federal Circuit (CAFC) issued a per curiam decision today in Tramec Sloan LLC v. Surti, dismissing an appeal brought by patent owner Tarun N. Surti after finding it lacked jurisdiction to review the district court’s order. Chief Judge Moore and Circuit Judges Lourie and Hughes decided the case per curiam, and no concurring or dissenting opinion accompanied the ruling.

The Supreme Court Broke Patent Eligibility: Congress Can Fix It

When the Senate Judiciary Committee examines the Patent Eligibility Restoration Act (PERA)      this week, lawmakers won’t simply be debating patent law. They’ll be deciding whether America remains the best place in the world to invent tomorrow’s technologies. That question has taken on new urgency following a series of Supreme Court decisions. In the wake of those rulings, inventors, investors, and even judges have struggled to determine whether many groundbreaking discoveries qualify for patent protection.

CAFC Affirms PTAB Obviousness Finding in Sony IPR Remand

The U.S. Court of Appeals for the Federal Circuit (CAFC) issued a precedential decision Friday in Intellectual Pixels Limited v. Sony Interactive Entertainment LLC, affirming a Patent Trial and Appeal Board (PTAB) decision that held claims 1 through 12 of U.S. Patent No. 10,681,109 unpatentable as obvious. The ruling followed a second final written decision the Board issued after the case was remanded from an earlier Federal Circuit appeal.

Other Barks & Bites for Friday, July 10: EU Trademark Filings Reach Record Total During First Half of 2026; Laura Peter Heads to WIPO; CAFC Says New PTAB Findings Did Not Violate Remand Mandate

his week on Other Barks & Bites: the Sixth Circuit issued a ruling in favor of office furniture company MillerKnoll in a trademark case over the intellectual property rights to the Bubble Lamp; U.S. District Judge Jane Boyle issued a Section 101 ruling knocking out offline commerce transaction patent claims owned by Wolverine Barcode; the Federal Circuit found that the Patent Trial and Appeal Board did not violate the CAFC’s mandate on remand after the Board issued new findings on claim limitations disclosed by prior art; the European Union Intellectual Property Office announced that the agency received a record number of applications for EU trademarks during the first half of 2026; and more.

CAFC Affirms Lack of Enablement Ruling Due to Gaps in Specification Requiring Undue Experimentation

The U.S. Court of Appeals for the Federal Circuit (CAFC), in a precedential decision, on Thursday affirmed a district court ruling that found certain claims of Wyeth LLC’s two patents for methods of cancer treatment invalid for lack of enablement. Wyeth sued AstraZeneca Pharmaceuticals in September 2021, alleging that AstraZeneca induced infringement of its U.S. Patents 10,603,314 and 10,596,162 “based on marketing, distribution, and sales of its irreversible EGFR inhibitor Tagrisso (osimertinib).”

Judge Michel, Other Amici File Briefs Opposing Sandoz’s Fourth Circuit Appeal in Enbrel Antitrust Case

This week, several amicus briefs were filed at the U.S. Court of Appeals for the Fourth Circuit supporting defendant-appellees Amgen in an antitrust suit brought by rival pharmaceutical firm Sandoz, which is appealing the dismissal of its complaint by the Eastern District of Virginia. Amici, including former Federal Circuit Chief Judge Paul Michel, free market institute Washington Legal Foundation, and trade organizations representing the pharmaceutical industry, all strongly urge the Fourth Circuit to dismiss Sandoz’s attempt to circumvent adverse patent rulings with an overly broad antitrust theory that would disrupt the entire U.S. patent system.

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