Chinese AI video tool accused of abusing US copyrighted works

A new AI video generator developed by ByteDance allegedly used U.S. copyrighted characters and creative content without permission, raising alarm about the unlicensed use of creative work, the loss of jobs, and the need for stronger cross‑border rules on AI training and outputs. What happened The Motion Picture Association (MPA), which represents major U.S. film studios, publicly accused ByteDance’s Seedance 2.0 of “unauthorised use of US copyrighted works on a massive scale.” Seedance 2.0 can generate highly realistic, cinematic video clips, and users quickly began posting short scenes that appeared to feature Hollywood stars and recognizable franchise imagery on social media. The MPA says that in just a single day of public testing, the service produced large volumes of clips that drew on protected U.S. films and characters without permission, potentially harming rights‑holders’ ability to control and monetise their work, and potentially putting them out of business. In one instance, Oscar-nominated Irish filmmaker Ruairí Robinson shared an ultra-realistic AI-generated video on social media featuring the likenesses of Tom Cruise and Brad Pitt having a fistfight on a Los Angeles overpass. Disney and Paramount also s ent ByteDance cease-and-desist letters alleging Seedance 2.0 was trained on protected characters, calling the AI’s use of intellectual property “blatant infringement.” A nd Hollywood unions condemned the tool for unauthorised use of actors’ likenesses and voices. While Seedance is currently in limited test release in China, the resulting AI videos circulate globally online, so the alleged harm extends beyond Chinese users and could impact U.S. and international audiences and markets. Why it happened Seedance 2.0 is designed to take short text prompts and turn them into polished, story‑driven video, which typically requires training on vast amounts of existing video content, including popular films and TV shows. The MPA argues that ByteDance launched the system without “adequate protections against infringement,” meaning users can easily prompt it to mimic specific copyrighted works or stars, with no effective safeguards or licensing in place. Cross‑border enforcement is difficult: U.S. copyright law protects the studios’ works, but Seedance is developed and tested in China, creating a gap between where the AI is run and where the rights are held. The incident also reflects broader transparency and accountability problems in generative AI: companies rarely disclose the specific training datasets or the mechanisms they use to prevent output that closely copies protected content. What it means For copyright owners: It signals an era in which "human authorship" is under siege by "plagiarism machines," potentially leading to a permanent shift in how creative labour is valued and protected. It also raises concerns about future revenue streams, job security for creatives, and the dilution of control over how characters and performances are used. For society: The proliferation of hyper-realistic, unauthorised AI-generated video blurs the line between authentic and synthetic media, undermining trust in digital content. For policymakers: The fracas highlights a growing "geopolitical IP gap." While the U.S. and UK are tightening copyright requirements for AI, a more permissive environment in China may create a "haven" for infringing models. This pressures international bodies to harmonise AI standards to prevent "intellectual property theft" from becoming a competitive advantage in the global AI race. System 🤖 Seedance 2.0 Developer: ByteDance Country: USA Sector: Media/entertainment/sports/arts Purpose: Create videos of celebrities Technology: Generative AI; Text-to-video Issue: Accountability; Appropriation; Employment; Transparency Regulation ⚖️ Digital Millennium Copyright Act Legal, regulatory 👩🏼‍⚖️

Date it happened

2026-02-01

Organisation involved

ByteDance

Product, system or model

Seedance 2.0

This is a record of what was reported, not a finding that anyone broke the law. If it names your organisation and you believe it is wrong, the corrections process is free and open to everyone.