U.S. Department of Justice
Brings the federal antitrust and consumer cases that appear in these timelines.
Role in each timeline
- The Fed's Rate Path: From the 2024 Cuts to Warsh's First Meetings
Issued subpoenas connected to an investigation of Powell; a federal judge later quashed them.
- Record Beef Prices: The Smallest Herd Since 1951, the Packer Probe and the Import Fix
Is conducting a criminal antitrust investigation of major beef packers and has sought information from eight grocery chains.
- Social Security's Next Raise: From the 2.5% COLA to the 2027 Announcement
Requested emergency relief from the Supreme Court and announced the fraud charges.
- Nvidia's Dealmaking: From Mellanox and the Failed Arm Bid to Groq and Hugging Face
Examined the Run:ai transaction and has opened an inquiry into Nvidia's Groq licence-plus-hire arrangement.
- IEEPA Tariff Refunds: From the Supreme Court Ruling to the Console Lawsuits
Represents the government and is appealing the trade court's refund relief for non-plaintiff importers.
- Medicare Advantage's Retreat: From the 2026 Rate Hike to the 2027 Plan Exits and Open Enrollment
Investigates and settles False Claims Act allegations involving Medicare Advantage risk-adjustment coding.
- US Export Controls on Nvidia AI Chips to China: A100 to H20 to H200
Has brought recent criminal cases alleging diversion of export-controlled AI servers containing U.S. GPUs to China.
U.S. Department of Justice across every timeline
Every dated entry that names U.S. Department of Justice, from all 7 timelines, newest first. Earlier years show only dates and titles; click a year to show the details.
202611 entries
- California man charged with smuggling $300 million in GPU servers to China Legal
The Justice Department said Greg Lui, owner of the City of Industry technology company Earthmade Computer Inc., was arrested on a three-count federal indictment charging conspiracy to violate the Export Control Reform Act, outbound smuggling and conspiracy to commit money laundering. The indictment, returned on September 29, alleges that from 2023 to 2024 Lui bought export-controlled servers containing U.S.-manufactured GPUs, gave manufacturers false documentation about their end users, shipped them to Malaysia and Singapore, and had them re-exported to China; it says Earthmade received more than $176 million from two Malaysia-based shipping companies between January and October 2024. Tom's Hardware identified the GPUs as Nvidia parts.
on US Export Controls on Nvidia AI Chips to China: A100 to H20 to H200 - Nvidia defends the Groq arrangement after the inquiry is reported Response
An Nvidia spokesperson answered the reporting by calling the Groq deal an example of the American system working as designed.
on Nvidia's Dealmaking: From Mellanox and the Failed Arm Bid to Groq and Hugging Face - The Justice Department expands the beef investigation to eight retailers Legal
The Antitrust Division said on X that it had widened its beef affordability investigation to eight major grocery chains, naming the recipients of Woodward's letters. The move pushed the inquiry down the supply chain from the packers to the shelf, though economists kept pointing at the record-low cattle inventory as the explanation.
on Record Beef Prices: The Smallest Herd Since 1951, the Packer Probe and the Import Fix - The Villages Health System agrees to $541.5 million FCA settlement Legal
The Villages Health System agreed to a $541.5 million settlement resolving self-disclosed False Claims Act allegations concerning Medicare Advantage diagnosis codes. The U.S. Department of Justice alleged that unsupported codes increased Medicare Advantage payments; the settlement did not determine liability.
on Medicare Advantage's Retreat: From the 2026 Rate Hike to the 2027 Plan Exits and Open Enrollment - Associate Attorney General Woodward writes to eight grocery chains about beef prices Legal
Identical letters dated July 14 went to Kroger, Walmart, Publix, Albertsons, Aldi, Ahold Delhaize USA, Costco and Amazon, telling each that the Antitrust Division was assessing trends in beef prices. Investigators asked for retail and wholesale prices, costs and margins, pricing strategy and market analyses going back to 2020.
on Record Beef Prices: The Smallest Herd Since 1951, the Packer Probe and the Import Fix - Justice Department appeals the universal refund orders; CBP says $23 billion has gone to Treasury Legal
DOJ filed notices of appeal at the Federal Circuit arguing the trade court cannot order refunds to importers who never sued, the CASA argument it had flagged in March. At a June 9 hearing CBP's trade chief Susan Thomas testified that CAPE had accepted claims covering about $90 billion of the $166 billion collected and transmitted about $23 billion to Treasury, having processed refunds on nearly 8.5 million entries in six weeks. Entries liquidated more than 80 days earlier, worth perhaps $30 billion, remained contested.
on IEEPA Tariff Refunds: From the Supreme Court Ruling to the Console Lawsuits - DOJ confirms a criminal antitrust investigation of the Big Four beef packers Legal
At a press conference with Agriculture Secretary Rollins and trade adviser Peter Navarro, Acting Attorney General Todd Blanche said the department had prioritised potential antitrust violations in cattle and beef markets, noting that four processors control more than 85 percent of the business and that two are primarily foreign-owned. Prosecutors said they had reviewed more than three million documents and encouraged whistleblowers to come forward.
on Record Beef Prices: The Smallest Herd Since 1951, the Packer Probe and the Import Fix - US prosecutors unseal charges over AI server diversion to China Legal
The U.S. Attorney's Office for the Southern District of New York announced the unsealing of an indictment charging Yih-Shyan Liaw, Ruei-Tsang Chang, and Ting-Wei Sun with conspiring to divert U.S.-assembled high-performance computer servers to China in violation of export-control laws. Reuters later reported that prosecutors charged Sun and two others associated with Super Micro with conspiring to divert about US$2.5 billion of U.S. AI technology to China.
on US Export Controls on Nvidia AI Chips to China: A100 to H20 to H200 - Judge Boasberg grants the Fed Board's motion to quash subpoenas Legal
Chief Judge James E. Boasberg granted the Federal Reserve Board's motion to quash Justice Department subpoenas. The ruling concerned the Powell investigation.
on The Fed's Rate Path: From the 2024 Cuts to Warsh's First Meetings - Kaiser Permanente affiliates agree to pay $556 million in FCA settlement Legal
Kaiser Permanente affiliates agreed to pay $556 million to resolve False Claims Act allegations that they submitted invalid diagnosis codes for Medicare Advantage enrollees to obtain higher payments, one of the largest risk-adjustment settlements to date. Kaiser said the agreement contains no admission of wrongdoing or liability.
on Medicare Advantage's Retreat: From the 2026 Rate Hike to the 2027 Plan Exits and Open Enrollment - Powell calls Justice Department subpoenas pretexts Response
Jerome H. Powell said the Justice Department subpoenas were pretexts. The statement concerned subpoenas served on the Federal Reserve Board.
on The Fed's Rate Path: From the 2024 Cuts to Warsh's First Meetings
20254 entries
- Executive Order 14364 sets up food supply chain task forces at DOJ and the FTC Regulatory
The order told the Attorney General and the FTC chairman each to stand up a Food Supply Chain Security Task Force to investigate whether anti-competitive behaviour exists in US food supply chains, and whether foreign control of food industries raises prices or creates a national security risk. It named meat processing alongside seed, fertiliser and equipment, and directed the Attorney General to open criminal proceedings if the task force found collusion.
on Record Beef Prices: The Smallest Herd Since 1951, the Packer Probe and the Import Fix - Justice Department opens inquiry into Nvidia's Groq arrangement Regulatory
The Justice Department opened an inquiry into Nvidia's Groq licence-plus-hire arrangement shortly after it was announced in December 2025, and has since sent Nvidia a formal request for information. Nvidia took a non-exclusive licence to Groq's technology and hired several of its executives rather than buying the company, a structure the department is examining.
on Nvidia's Dealmaking: From Mellanox and the Failed Arm Bid to Groq and Hugging Face - Trump orders a Justice Department investigation of the meatpackers Regulatory
In a Truth Social post, Trump said he had asked the Justice Department to investigate the meatpacking industry for collusion and price fixing, arguing that ranchers were being blamed for prices set by what he called majority foreign-owned packers. Ground beef was up about 13 percent year over year at the time, rising faster than almost anything else in the Consumer Price Index.
on Record Beef Prices: The Smallest Herd Since 1951, the Packer Probe and the Import Fix - UnitedHealth confirms criminal and civil Justice Department investigations into its Medicare business Legal
After months of press reports, UnitedHealth Group disclosed in an 8-K that it had approached the Department of Justice and was complying with formal criminal and civil requests about its participation in Medicare, while insisting its practices were among the most accurate in the industry. The probe centred on risk-adjustment coding in Medicare Advantage; the company also launched a third-party review of its policies.
on Medicare Advantage's Retreat: From the 2026 Rate Hike to the 2027 Plan Exits and Open Enrollment
- Dec 6, 2025Executive Order 14364 sets up food supply chain task forces at DOJ and the FTC
- Dec 2025Justice Department opens inquiry into Nvidia's Groq arrangement
- Nov 7, 2025Trump orders a Justice Department investigation of the meatpackers
- Jul 24, 2025UnitedHealth confirms criminal and civil Justice Department investigations into its Medicare business
20241 entry
- European Commission clears Run:ai unconditionally in its first post-Illumina Article 22 case Regulatory
Although the deal fell below EU turnover thresholds, Italy's competition authority referred it to Brussels under Article 22 and the Commission opened a review in November. It found Run:ai had no significant position in GPU orchestration software and that customers had credible alternatives, and approved the deal without conditions; the US Justice Department had also examined it.
on Nvidia's Dealmaking: From Mellanox and the Failed Arm Bid to Groq and Hugging Face