OpenAI対マスク：訴訟、xAI、そしてAGIを巡る戦い

OpenAI’s confidential registration statement, filed with the U.S. Securities and Exchange Commission on June 9, remains under seal, and the company has not disclosed a timeline for a public offering. In the days following the filing, OpenAI’s legal counsel reiterated that the filing was “routine” and that the firm was “focused on delivering safe, useful AI products.” No comment was offered on whether the proximity to SpaceX’s debut was intentional, but analysts note that the simultaneous market activity could create a “dual‑story” environment for investors tracking AI and space‑technology stocks.

SpaceX completed its initial public offering on June 13, with shares beginning to trade on the Nasdaq under the ticker “SPX.” The offering raised roughly $30 billion, valuing the company at about $1.2 trillion, according to the underwriters. The debut was oversubscribed, and the opening price settled 4 percent above the reference price. Elon Musk’s net worth, calculated by Bloomberg and other trackers, topped the $1 trillion mark for the first time, making him the world’s inaugural trillionaire. Musk’s statements at the Nasdaq opening ceremony emphasized the company’s long‑term vision for satellite internet, interplanetary transport, and the role of artificial intelligence in future missions, though he did not directly address the ongoing litigation with OpenAI.

The Florida lawsuit filed by Attorney General Ashley Moody on June 2 continues to move through state court. A pre‑trial conference scheduled for later in June will set a timetable for discovery, and the state’s legal team has indicated it will seek a preliminary injunction to halt certain OpenAI deployments pending a full hearing. OpenAI has again declined to comment, citing “ongoing litigation” and the confidentiality of the matter.

No further filings have been made in Musk’s lawsuit against OpenAI and Sam Altman since the jury’s dismissal on May 26. Musk’s legal team announced on June 10 that it would explore an appeal of the statutory‑limitations ruling, but no formal notice of appeal has been recorded with the Northern District of California. If an appeal proceeds, the case could re‑enter the federal docket in the coming months, potentially extending the legal battle into the second half of the year.

Market observers note that the convergence of OpenAI’s pending IPO, SpaceX’s historic debut, and the unresolved regulatory actions in Florida and California create a complex backdrop for both companies. While OpenAI’s public‑offering plans remain opaque, the firm’s recent financing round—$10 billion led by Microsoft and other investors—provides a substantial capital base to support product development and compliance initiatives. Analysts caution that any adverse outcome in the Florida case or a renewed federal appeal could affect investor sentiment ahead of a potential OpenAI listing later in 2026.

OpenAI moved from courtroom drama to market preparation this week. On June 9, CNBC reported that the company filed a confidential registration statement with the U.S. Securities and Exchange Commission, signaling an intention to go public. The filing, made just days before SpaceX’s anticipated debut on the Nasdaq, positions OpenAI for what analysts are calling a “jumbo” initial public offering. The filing documents list the firm’s most recent financing round, which raised roughly $10 billion from Microsoft and other investors, and outline a proposed share class structure that would preserve voting control for the founding team while offering a substantial public float. OpenAI’s counsel declined to comment on timing, but the proximity to SpaceX’s listing suggests a coordinated push to capitalize on heightened investor appetite for AI and space‑technology stocks.

SpaceX’s public offering, confirmed by multiple international broadcasters on June 13, is slated to begin trading later that day. The company, which has remained privately held since its 2002 founding, is expected to raise upwards of $30 billion, making it one of the largest U.S. IPOs in history. Underwriters have highlighted the firm’s revenue stream from satellite internet service Starlink, its growing launch‑services business, and a pipeline of ambitious projects ranging from Mars colonization to high‑capacity rockets. The listing also marks a milestone for founder Elon Musk, whose net‑worth calculations surged past the $1 trillion threshold in the same week, as reported by Bloomberg, Sky News Australia, and NDTV. The trillion‑dollar figure reflects the market‑based valuation of SpaceX’s equity, which now dwarfs Musk’s holdings in Tesla and his other ventures.

The rapid succession of these filings underscores a shift in the broader AI‑industry narrative. With the Musk‑OpenAI lawsuit effectively closed—federal juries in Oakland dismissed the billionaire’s $150 billion claim on statutory grounds in late May—OpenAI appears focused on leveraging its commercial momentum rather than defending its nonprofit origins. The company’s confidential IPO filing indicates that it is preparing to meet the same public‑market scrutiny that Musk’s own enterprises are now confronting.

Meanwhile, the Florida lawsuit filed on June 2 by Attorney General Ashley Moody remains unresolved. The state alleges deceptive practices surrounding ChatGPT’s safety disclosures and seeks injunctive relief and monetary penalties. OpenAI has not issued a public response since the filing, and no court action has been scheduled as of this writing.

Analysts note that the juxtaposition of OpenAI’s market entry with SpaceX’s debut could amplify investor focus on governance and safety standards across both firms. Regulators in California and Washington have already signaled interest in tighter oversight of AI products, and the Securities and Exchange Commission is expected to scrutinize the disclosures in OpenAI’s registration statement, particularly around model risks and data‑privacy safeguards. How the companies navigate these regulatory expectations may set precedents for future AI‑related public offerings.

The convergence of a high‑profile IPO, a historic net‑worth milestone for Musk, and ongoing state‑level litigation against OpenAI marks a new phase in the saga that began with a courtroom clash over nonprofit promises. All eyes will be on the SEC filings and the upcoming trading debut to gauge market confidence in the commercial viability and ethical stewardship of the two AI‑centric powerhouses.

Florida Attorney General Ashley Moody filed a lawsuit against OpenAI and CEO Sam Altman on Monday, accusing the company of prioritizing profit over safety in the development of ChatGPT. The state becomes the first to take legal action against the San Francisco-based AI laboratory over consumer protection concerns related to the chatbot's outputs.

The lawsuit, filed in Florida state court, alleges that OpenAI engaged in deceptive practices by failing to adequately disclose limitations and potential harms associated with its artificial intelligence products. Moody's office specifically cited concerns about how ChatGPT interacts with users, particularly younger consumers, and argued that the company's safety representations were misleading.

OpenAI declined to comment on the filing. The lawsuit represents an escalation in regulatory scrutiny facing the AI company, which has already been navigating legal challenges from multiple directions.

Meanwhile, a California federal jury delivered a final verdict May 26 in the separate lawsuit brought by Elon Musk, unanimously rejecting his $150 billion claim against OpenAI and Sam Altman. Jurors deliberated for approximately two hours before concluding that Musk's claims regarding the company's transition from nonprofit to commercial operations were barred by the statute of limitations.

The Oakland jury's decision marks the end of a two-week trial that featured testimony from Musk, Altman, Microsoft CEO Satya Nadella, and former OpenAI board member Shivon Zilis. Musk alleged that OpenAI misled early backers about its intention to remain a nonprofit entity, while OpenAI argued that its restructuring was necessary to secure the capital required to compete in the AI industry.

The dismissal clears a significant legal hurdle for OpenAI as the company explores potential paths toward a public offering. Legal observers noted that the statute of limitations ruling prevented a full examination of the underlying allegations about OpenAI's corporate governance and mission.

The parallel developments underscore the mounting pressure facing AI companies as regulators and private parties seek greater accountability for the technology's development and deployment. OpenAI, which recently introduced a $200 monthly subscription tier for advanced users, now faces inquiries from both state attorneys general and federal authorities regarding its safety practices and business model.

The company has maintained that its restructuring reflects the capital-intensive nature of advanced AI research and that its commitment to beneficial artificial general intelligence remains unchanged.

Elon Musk has escalated his legal battle against OpenAI, filing court documents Monday seeking the removal of CEO Sam Altman and President Greg Brockman from the company. The motion, submitted in an Oakland federal court, represents a significant expansion of the lawsuit that concluded Musk's testimony last week.

The filing argues that Altman and Brockman should be stripped of any financial interest in OpenAI's commercial ventures and removed from leadership positions. Musk's legal team contends that allowing the executives to remain in control perpetuates what the lawsuit alleges was a breach of OpenAI's original nonprofit mission.

Musk's three days of testimony concluded May 1, during which he described the AI laboratory's transition to a for-profit model as a "bait-and-switch" scheme that betrayed early backers. The billionaire called himself a "fool" for funding an organization he alleged shifted its focus from developing artificial general intelligence safely and openly to maximizing commercial returns.

The lawsuit, which seeks $150 billion in damages, centers on allegations that OpenAI misled charitable donors and investors about its intentions to remain a nonprofit entity. Internal communications including emails and diary entries have emerged during trial proceedings, with both sides presenting competing accounts of the company's founding vision.

OpenAI has defended its restructuring as a necessary evolution to secure the capital required to compete in the rapidly advancing AI industry. The company has argued that its dual mission of developing beneficial AGI while generating sustainable revenue are not incompatible goals.

The case is being heard in the Northern District of California, where jury selection began April 29. Legal observers have noted that the trial could set precedent for how AI companies structure relationships between nonprofit governance and commercial operations.

Earlier this week, OpenAI announced a $100 monthly subscription service aimed at competing directly with Anthropic's Claude subscription tier, a move that came as the company faces ongoing legal scrutiny over its profit-seeking activities. The timing of the subscription launch drew attention given the trial's focus on OpenAI's commercial transformation.

The addition of the removal request signals Musk's intent to pursue structural remedies beyond monetary damages. Court filings indicate the legal team is seeking an injunction that would bar Altman and Brockman from benefiting financially from OpenAI's commercial entities.