# US launches AI power supply patent probe

> USITC opens Section 337 investigation into 20 companies over AI server power supply patents.
- Title: US launches AI power supply patent probe · BigGo Finance
- Summary: USITC opens Section 337 investigation into 20 companies over AI server power supply patents. USITC launched a Section 337 investigation into 20 companies…
- Keywords: usitc, section 337, ai power supply, patent dispute, luxshare precision, foxconn, delta electronics, vicer corporation, ai server, data center, finance, markets
- Source: BigGo Finance — https://finance.biggo.com/news/4dca9c2e-a136-4232-97e3-71974e150c62
- Author: BigGo Finance
- Published: 2026-10-10T14:25:25+00:00
- Read time: 1 min
- Topics: usitc, section 337, ai power supply, patent dispute, luxshare precision, foxconn, delta electronics, vicer corporation, ai server, data center, finance, markets
## USITC launches Section 337 probe
The United States International Trade Commission voted on October 9, 2026, to formally launch a Section 337 investigation into 20 companies for alleged AI power supply patent infringement.
## Vicor files patent complaint
Vicor Corporation, a US power technology company, filed a Section 337 complaint alleging 20 companies infringe its US Patent No. 10,903,734.
## 20 companies named
The respondents include China's Luxshare Precision, Taiwan's Foxconn, Delta Electronics, Quanta Computer, Hon Hai Precision, Monolithic Power Systems, Infineon, Flex, and Celestica.
## AI server power supply at stake
The products at issue power AI servers, data centers, and cloud computing systems using vertical power transmission technology.
## Investigation timeline
The USITC will set a target date for completing the investigation within 45 days, with an initial determination by an administrative law judge.
## Potential market exclusion
If infringement is found, the affected products could be barred from entering the US market, disrupting the AI server supply chain.
## Vicor's prior action
Vicor previously pursued a Section 337 investigation in February 2026 targeting similar power converters and computing systems.
## Global respondent chain
The investigation spans power module manufacturing to equipment assembly and system integration across multiple countries.
## Market impact
Delta Electronics is the world's largest power supply manufacturer, Quanta Computer the largest notebook PC maker, and Foxconn the global electronics manufacturing leader.
## Key takeaway

USITC launched a Section 337 investigation into 20 companies including Luxshare Precision, Foxconn, and Delta Electronics for alleged patent infringement in AI power supply systems.