A judge blocks the use of "Cameo" in OpenAI's Sora

Last update: 26/11/2025

  • A court order prevents OpenAI from using "Cameo" in Sora until December 22.
  • Cameo (Baron App) alleges trademark infringement and user confusion
  • Judge Eumi K. Lee sees evidence of a violation; hearing set for December 19
  • OpenAI argues that no one can monopolize a commonly used word.
Cameo vs Openai

OpenAI will not be allowed to refer to certain features of its Sora video app by the name "Cameo" during the next few weeks for a temporary restraining order dictated in CaliforniaThe measure responds to a trademark lawsuit filed by Baron App, the company behind the Cameo service, which sells personalized videos of celebrities.

The magistrate of the Northern District of California, Eumi K. Lee has temporarily banned the use of "Cameo," "Cameos," and similar terms in Sora., with a hearing scheduled for December 19 and an expiration date for the ban set for December 22, unless the court decides to extend it or make it permanent.

How the clash over "Cameo" began

cameo company

The conflict erupted when Cameo denounced that OpenAI had named a Sora feature that allows generating videos with the "Cameos". resemblance of a person (the user himself, an acquaintance, or participating public figures), after a loading and authorization process within the app. The lawsuit, filed on October 28, It argues that OpenAI's use of the term could cause confusion among consumers. y weaken Cameo's brand.

In his writing, The Chicago company claims that OpenAI "is using the CAMEO brand" to compete on the same playing field as the personalized videosan accusation that also frames it as unfair competition. The presentation also indicated that Cameo has trademark registrations in the U.S. to protect its distinctive sign.

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OpenAI rejects the plaintiff's argument and maintains that no one can exclusively claim ownership of a commonly used word like "cameo" for software functions, insisting that He will continue to defend his position. before the court. In the days following the order, several media outlets detected that the app continued to display references to the disputed name, something that This could lead to quick adjustments to the interface and promotional material..

The controversy comes after Sora's autumn update, which boosted app downloads with a deployment of functions which included the creation of videos with faces provided by users and the support of influential profilesIn less than five days, the app reportedly surpassed one million installations, according to various reports.

What has the court ordered and until when?

OpenAI Cameo

Judge Lee's ruling It prevents OpenAI and its management team and employees from using the word "Cameo" or any other designation. confusingly similar in products, features, or communications related to Sora. Examples cited in the documents include variants such as "Cameos" or "CameoVideo".

The report suggests that, a priori, There are indications of trademark infringement by OpenAIThis is the reason why the injunction is granted. The judge also notes that the defense's main argument—the harm to the launch of Sora and new features—does not outweigh the interest in preventing potential consumer confusion, especially when said harm would derive from use of the questioned sign.

The temporary blockade will remain in effect until December 22thThe date on which the measure expires if it is not converted into a broader order. Before that, on the 19th, the parties will present their positions at a hearing that may determine whether the prohibition is enforced. permanent or lifts in part or in its entirety.

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The lawsuit is being brought by Baron App (Cameo), which in its claim pointed to its platform's track record in the video market. request Celebrities, with a strong social media presence and peak season in the last months of the year. Among other public figures, the company has highlighted the participation of top-level artists and athletes in its service.

Repercussions for OpenAI and Cameo

OpenAI Sora Cameo

For OpenAI, the order forces a race against time to review the naming a key function Sora, with the associated rebranding and communication costs if the restriction is ultimately confirmed. Beyond the name, the company will have to fine-tune the balance between innovation and regulatory compliance, in a context of increasing legal scrutiny about generative tools.

Cameo, for its part, argues that protecting its brand prevents confusion during critical periods: the company has indicated that around the 30% of their videos They are commissioned between Thanksgiving and Christmas, a period in which a coinciding use of the term by third parties could impact your business.

Sora's deployment has been accompanied by controversial moments due to the use of real-life look-alikes and well-known charactersNews reports have described cases in which images or videos of deceased people have been generated or references to them have been used. fictional characters to recreate live performers, which has fueled the debate on image rights, consent, security flaws and intellectual property.

Also mentioned were major creators and investors who supported the rollout of Sora's new features, a boost that helped the app to increase in downloads quickly. All of this is happening while OpenAI insists that the use of the term "cameo" should not be considered exclusive and that the company will present his arguments in court.

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What changes for users in Spain and Europe

android sora

In the short term, users in Spain and the EU will not be affected. possibilities of use beyond any naming adjustments in the app, if any. The dispute is playing out in US courts, but product teams typically unify brands globally, so any eventual name change This could also be reflected here.

In terms of the legal framework, Europe pays particular attention to the protection of registered trademark and the responsible use of AI technologies, especially regarding consent, image rights, and combating identity theft. This case serves as a reminder that branding strategies for AI products must anticipate conflicts with distinctive signs already present in the market.

For creators, companies and administrations in the EU, the controversy underscores the convenience of clearly defining image authorization processesgenerative content signaling systems and non-misleading namesIf the court upholds the restrictions, one could expect a stable renaming of the affected functionwith manuals and communications adapted to avoid friction with consumers.

The legal battle between OpenAI and Cameo crystallizes a clash between rapid innovation and trademark protection amid the AI-generated content boom: an injunction freezing the use of a name in Sora, a key hearing on December 19, and the possibility that the case will set a precedent for how products are named and They market functions similar in the sector.

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