The U.S. International Trade Commission voted Friday to open a Section 337 investigation into vertical power delivery systems and related components in high-density computing gear, naming three of Taiwan’s largest contract manufacturers—Hon Hai Precision Industry (Foxconn), Quanta Computer, and Delta Electronics—as respondents alongside Chinese and German suppliers. Taiwan’s Ministry of Economic Affairs said Saturday it will assist companies if the probe threatens exports of AI server hardware that underpins the island’s current tech upswing.
What Section 337 means on the line
Section 337 of the 1930 Tariff Act lets the USITC block imports that infringe U.S. intellectual property or otherwise unfairly compete. The commission has not ruled on the merits; instituting a case only starts discovery, hearings, and—potentially—an exclusion order that could bar affected products from U.S. ports. For Taiwan’s electronics assemblers, even a months-long cloud over power subsystems could complicate shipments just as customers lock 2027 AI rack designs.
The complaint targets “vertical” power architectures that feed GPUs and accelerators from above or beside the motherboard, a layout common in Nvidia-style AI servers where every watt of efficiency affects cooling bills and rack density. The USITC statement lists twenty companies across Taiwan, China, Germany, and the United States but does not identify the complainant in its public notice; trade lawyers expect the petitioner to be a U.S. power or semiconductor firm asserting patent coverage over bus bars, voltage regulator modules, or backplane connectors.
Who is named from Taiwan
Foxconn and its listed affiliate Foxconn Industrial Internet appear on the respondent list, reflecting the group’s role building servers for hyperscalers in Mexico and the United States as well as in Asia. Quanta, another top-tier original design manufacturer, builds custom racks for cloud providers from facilities in Taoyuan and elsewhere. Delta, better known for power supplies and thermal modules, has expanded into data-centre power shelves tied to the same AI capital spending wave that pushed Taiwan’s benchmark index past 27,000 this month.
China’s Luxshare Precision Industry is also named, underscoring how U.S. trade remedies increasingly sweep both sides of the strait when supply chains overlap. German respondents signal that the patents at issue may cover modular power standards used globally, not a single factory’s tooling.
Taipei’s response
Taiwan’s International Trade Administration under the economics ministry said the probe concerns power technology embedded in AI servers and that officials will monitor proceedings and offer guidance if respondents need legal or technical support. The statement stopped short of predicting outcomes, noting the USITC has made no infringement finding.
For listed Taiwanese giants, a Section 337 case is familiar territory—display panels, networking gear, and handsets have all triggered past complaints—but the timing bites. Washington is simultaneously reviewing a second U.S. arms package for Taiwan and pressing allies to restrict advanced chip exports to China. A trade fight over server power may look minor next to strait security, yet it directly touches the same companies that assemble the machines running large language models for U.S. customers.
Timeline and exposure
Typical Section 337 investigations run about sixteen to eighteen months from institution to final determination, though interim orders can arrive sooner if the commission finds irreparable harm. Respondents usually file parallel challenges at the U.S. Patent and Trademark Office to weaken the asserted patents. Customers may dual-source power shelves or redesign boards to stay outside claim scope while lawyers fight.
Analysts in Taipei said the market reaction on Monday will hinge on whether investors believe any exclusion order could apply to finished servers or only to discrete power components—a distinction that determines if Quanta and Foxconn lines in Texas and Wisconsin face disruption. For now, the commission’s vote is a procedural starting gun. The economic stakes, however, land squarely on Taiwan’s AI hardware champions at the moment U.S. demand for their racks is strongest.