The Katten Kattwalk | Issue 27

The U.S. Copyright Office recently released a report on the human authorship requirement for materials to qualify for copyright protection.

Universal Music Group's lawsuit against DistroKid raises a critical question about AI disclosure in consumer markets: when does the use of artificial intelligence become material information that must be disclosed to consumers? The case centers on allegations that DistroKid distributed mass-generated AI music while creating the impression it was created by legitimate human artists, potentially violating existing consumer protection laws even without specific AI disclosure requirements.

There was a significant ruling in the Doe v. Github case involving training of AI code generator models on open source. The United States Court of Appeals for The Ninth Circuit affirmed the district court ruling dismissing part of an action brought under the Digital Millennium Copyright Act (“DMCA”) by programmers against GitHub, Inc., and other defendants. The issues centered on whether defendants removed copyright management information (CMI) from content used to train the AI code generator models.

The USPTO has released its latest economic impact report on IP-intensive industries, announced a new community engagement office in North Carolina, and issued several administrative updates including relief for Japanese applicants affected by a severe earthquake. The Patent Trial and Appeal Board has also designated new precedential and informative decisions addressing obviousness-type double patenting and Markush groupings.

In recent video game news, gaming giant Nintendo filed and settled a lawsuit against the developers of the popular Nintendo Switch emulator, Yuzu.

AI-powered call transcription tools like Otter.ai are facing class action lawsuits under Illinois' Biometric Information Privacy Act (BIPA) for allegedly collecting voiceprints without proper consent. A federal court recently allowed claims to proceed, signaling potential legal risks for companies that provide or utilize these increasingly common meeting recording services.

Bristol-Myers Squibb and Ono Pharmaceutical have filed a patent infringement lawsuit against Amgen over its proposed nivolumab biosimilar ABP 206, asserting seven patents related to OPDIVO. The complaint follows earlier inter partes review challenges and patent dance negotiations that narrowed the dispute to specific claims covering the antibody sequence, cancer treatment methods, and dosing regimens.

Is this AI-generated, or is it real? As generative AI tools have become increasingly capable of creating realistic images, videos, and audio, they have also made it easier to impersonate real people without their consent. In response, states are increasingly adopting laws that impose civil and criminal liability for certain AI-generated content that replicates an individual’s identity, likeness, voice, or other personal attributes.

If it seems to you that the process of obtaining federal trademark registration has become more complicated and time-consuming in recent years, you are not alone.

The U.S. government has filed a Statement of Interest of the United States of America under 28 U.S.C. § 517 in the Southern District of New York multidistrict litigation over OpenAI’s use of copyrighted works to train large language models. The filing appears to be the federal government’s first direct intervention in the wave of artificial intelligence (AI) training copyright cases, and it advises the court to treat model training (separate from use of AI to generate outputs) on copyrighted text standing alone as a highly transformative fair use under current law.

The U.S. Food and Drug Administration has released a discussion paper outlining its initial framework for regulating generative AI-enabled medical devices, proposing a two-axis risk assessment approach and a novel competency-based premarket evaluation system. With public comments due by October 19, 2026, this represents a critical opportunity for device manufacturers and stakeholders to shape the regulatory landscape for this transformative technology.

The Financial Conduct Authority has released comprehensive perimeter guidance for the UK's new regulated cryptoasset activities regime, clarifying when firms will need authorization and how the regulatory framework applies to qualifying cryptoassets and stablecoins. The guidance addresses critical questions about scope, territorial application, and the narrower "by way of business" test that determines which entities fall under the new regulatory requirements.

The SEC has proposed Regulation Crypto Assets, a purpose-built framework that creates tailored exemptions for raising capital with crypto assets and establishes conditions under which those assets can cease being subject to investment contract classification under federal securities laws. Will this new regulatory approach successfully balance innovation in digital asset markets with investor protection, or will jurisdictional questions and state law preemption challenges limit its effectiveness?

California's Department of Housing and Community Development has issued final Loan Portfolio Restructuring Guidelines that impose a 50 percent housing reinvestment fee on certain uses of extracted equity from affordable housing refinancings. While the fee can be avoided by allocating proceeds to six enumerated categories, developers and investors are questioning whether these rules strike the right balance between preserving affordability and enabling capital recycling.

HMRC is increasing scrutiny of earn-out arrangements, particularly where founders remain involved in the business after completion and deferred consideration depends on future performance of the target company.

On June 27, the U.S. Supreme Court announced a 5-4 decision rejecting the nonconsensual releases of the Sackler family in the Purdue Pharma bankruptcy case. The split is an interesting alignment of

The January 2026 Cybersecurity Newsletter released by the U.S. Department of Health and Human Services Office for Civil Rights focuses on the importance of "system hardening" methods to help protect electronic protected health information.

Derivatives have evolved into essential financial instruments whose value derives from underlying assets like stocks, bonds, commodities, and currencies. This comprehensive guide examines the global derivatives landscape, exploring various instrument types from futures and options to swaps and CFDs, while analyzing how regulatory frameworks across major financial centers shape modern trading practices.

The landscape that once prevented private investment funds, sovereign wealth funds, and other institutional vehicles from investing in U.S. professional sports teams has changed dramatically in recent years. One by one, U.S. professional sports leagues have adopted policies creating pathways for institutional investors to acquire ownership stakes in teams.

Fashion companies navigating intellectual property law must balance creative expression with legal compliance when reviewing product designs. This comprehensive analysis explores the intersection of copyright, trademark, trade dress, design patents, and cultural heritage considerations that shape modern fashion design review processes.