Trade Secrets Law Is Awkward Fit in AI Prompt-Hacking Lawsuit

A medical AI company’s novel trade secrets lawsuit accusing a rival of prompting its platform to reveal how it was built illustrates the challenges artificial intelligence presents for protecting proprietary information.

Patent Damages on Tap as Full Federal Circuit Hears Google Case

The nation’s highest patent court will rehear a case Thursday asking it to restrict the kinds of evidence expert witnesses can describe to juries while litigants argue over patent-infringement damages.

‘Fireball’ Trademark Too Weak to Bar ‘Firebull,’ but Not Generic

Sazerac Brands LLC’s ‘Fireball’ trademark isn’t a generic term for cinnamon-flavored whiskey, but is too weak to bar a distiller from registering “Bullshine Firebull,” the Federal Circuit affirmed in a precedential decision Wednesday.

Federal Court Urged to Nix Patent Suit Against US Patent Office

An attorney for the federal government argued Wednesday that six two-factor authentication patents asserted in a lawsuit accusing the US Patent and Trademark Office of infringement should be voided.

Authors Seek Direct Copyright Infringement Ruling Against Meta

A federal judge should rule that Meta Platforms Inc. flouted copyright law by torrenting pirated copies of protected works to use as data to train its AI models instead of leaving the question to a jury, a group of authors suing the tech giant said in a court filing.

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Marvin Gaye, Ed Sheeran & the 'Blurred Lines' of Music Copyright

In this video, we explore how the copyright in a song – the musical composition – works. We look at what courts use to determine whether there was an infringement, and why these cases can be so complicated.

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IN BRIEF

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Case: Patents/Obviousness (P.T.A.B.)

Challenged claims of Ouster Inc.'s patent for an optical imager systems that achieve wide field-of-view, narrowband imaging with micro-optic receiver channel arrays are unpatentable, the PTAB said, in an inter partes review by Hesai Technology Co. Ltd. Hesai Technology Co. Ltd. v. Ouster Inc., P.T.A.B., IPR 2023-01421, 3/13/25

Case: Patents/Specification (Fed. Cir.)

The court affirmed the decision of the PTAB’s appeals review panel rejecting claims of Xencor Inc.'s patent application as unpatentable for lack of written description, because substantial evidence supports the board’s written description finding. In re Xencor Inc., 2025 BL 81890, Fed. Cir., 2024-1870, 3/13/25

Case: Patents/Injunctions (Fed. Cir.)

The court affirmed the decision of the a federal district court in Nevada granting Power Probe Group Inc. a preliminary injunction in its action against Innova Electronics Corporation for patent infringement, because the district court didn’t abuse its discretion. Power Probe Group Inc. v. Innova Electronics Corp., 2025 BL 81862, Fed. Cir., 2024-1166, nonprecedential, 3/13/25