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The plaintiff registered its software trademark in 2020. That registration also figured in a nonfinal refusal of Anthropic’s Claude Mythos trademark applications.
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Global Printing argues that Anthropic’s use of Mythos risks confusing customers with its established donor-communications software brand. The company is seeking a court order stopping Anthropic from using the name, not merely a ruling on whether it can register a trademark; the outcome could therefore affect the AI model’s branding. Global Printing also seeks damages but has not named an amount, while Anthropic denies the claims and says it will defend itself.
Global Printing says it has used Mythos since 2015 and received a federal trademark registration for the name in 2020.
The U.S. Patent and Trademark Office rejected Anthropic’s “Claude Mythos” applications in October over possible confusion, but that decision is not final.
Global Printing filed suit on November 13 in the U.S. District Court for the Eastern District of Virginia.
Anthropic faces a demand to stop using Mythos for its AI models after a Virginia software business sued over the name. Global Printing Inc., which operates as Mythos, filed the trademark case on November 13, alleging that the shared name could confuse customers and damage its business.
The lawsuit was filed in the U.S. District Court for the Eastern District of Virginia. Alongside an order barring Anthropic from using the name, Global Printing wants monetary damages. It has not specified an amount, according to PhoneWorld’s account of the complaint.
Global Printing has used Mythos since 2015 for a platform that helps nonprofits and universities communicate with donors, Bloomberg Law reported. Its business therefore predates the disputed AI branding: the company obtained a federal trademark registration for Mythos in 2020, covering software-as-a-service tools—software delivered as an online service.
The complaint argues that customers could mistakenly believe the companies’ products are connected, The 420 reported. Global Printing alleges that Anthropic’s continued use threatens its brand and business. It also claims that money alone would not adequately compensate for the harm, supporting its request for an order stopping use of the name.
The naming dispute had already reached the U.S. Patent and Trademark Office before the lawsuit. In October, the agency rejected Anthropic’s applications to register “Claude Mythos,” citing Global Printing’s existing registration, Bloomberg Law reported. The refusal concerned a likelihood of confusion with the existing Mythos trademark, according to PhoneWorld.
Anthropic rejects the complaint’s claims. A company spokesperson said it disagrees with the allegations and intends to defend itself vigorously. The infringement dispute remains pending in federal court.
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