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Synopsys Resumes Limited Services in China Amid U.S. Export Restrictions, Core Tool Sales Still Blocked

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Synopsys has partially resumed some services in China after suspending operations earlier this month in response to new U.S. export curbs, according to a source with direct knowledge of the situation. The California-based semiconductor design software provider had halted sales and access to its SolvNet customer support portal to comply with broad U.S. restrictions aimed at limiting technology exports to China.

The source revealed that while Synopsys has restarted sales of non-core hardware and intellectual property (IP) to serve some existing Chinese clients, sales of critical Electronic Design Automation (EDA) tools remain suspended. These essential EDA tools are necessary to fully utilize the company’s IP and hardware products, such as the HAPS and ZeBu hardware-assisted verification systems, which are primarily used for accelerating chip verification.

SolvNet has reopened with limited access, restricting some software-related documents, further impacting Chinese customers’ ability to use Synopsys’ full range of services.

Synopsys, along with Cadence and Siemens EDA, dominates the global EDA market with over 70% market share in China, according to the Chinese state news agency Xinhua. The ongoing restrictions on EDA tool sales pose a significant challenge to Chinese semiconductor design companies, potentially hindering the country’s chipmaking industry.

Following the U.S. export controls, Synopsys suspended its annual and quarterly revenue forecasts, reflecting uncertainty about future sales prospects in China.

The company did not immediately respond to requests for comment.

Baidu Says Homegrown Tech Shields AI Ambitions from U.S. Chip Curbs

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Chinese tech giant Baidu asserted on Wednesday that its artificial intelligence (AI) development remains largely insulated from recent U.S. semiconductor export restrictions, thanks to an expanding domestic supply of chips and software. The company also reported stronger-than-expected Q1 financial results, fueled by growth in its AI cloud segment.

“Domestically developed chips and increasingly efficient homegrown software will form a strong foundation for long-term innovation in China’s AI ecosystem,” said Shen Dou, Baidu’s Vice President, during a conference call with analysts.

The statement follows the latest U.S. curbs on advanced chips — including Nvidia’s H20, a product tailored for the Chinese market — which officially took effect last month. Baidu’s confidence mirrors that of rival Tencent, which recently cited existing chip stockpiles as a buffer against Washington’s tightening export controls.

Baidu’s first-quarter revenue rose 3% year-over-year to 32.45 billion yuan ($4.5 billion), surpassing analysts’ estimates of 30.9 billion yuan, according to LSEG. The company’s non-online marketing revenue, primarily driven by its AI cloud business, jumped 40% to 9.4 billion yuan, highlighting Baidu’s accelerating pivot away from its legacy ad-based search engine model.

While revenue from its online marketing segment fell 6% to 17.31 billion yuan — slightly below forecasts — Baidu posted a robust profit of 21.59 yuan per American Depositary Share, up from 14.91 yuan a year earlier.

Baidu has made aggressive moves in the generative AI space since becoming one of the first Chinese firms to launch a ChatGPT-style chatbot in early 2023. However, its flagship Ernie model now faces stiff competition from fast-rising domestic players like DeepSeek.

In response, Baidu scrapped subscription fees for premium AI chatbot services in April and launched enhanced models including Ernie X1 and Ernie 4.5, later upgrading both to “Turbo” versions. The company’s AI ambitions are powered by its self-developed P800 Kunlun chips, with a 30,000-chip cluster said to be capable of training DeepSeek-scale models.

Despite the upbeat earnings and AI momentum, Baidu’s U.S.-listed shares were slightly down 0.3% in Wednesday morning trading.

China Threatens Legal Action Over U.S. Chip Restrictions Targeting Huawei

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China has issued a sharp warning, stating that it may pursue legal consequences against individuals or organizations that participate in enforcing or complying with U.S. restrictions aimed at limiting the use of advanced Chinese semiconductors.

The statement, released by China’s Ministry of Commerce, comes in response to new U.S. guidance issued last week. That guidance warned companies they may violate U.S. export controls if they use Ascend AI chips made by Shenzhen-based tech giant Huawei.

China accused the U.S. of engaging in “discriminatory restrictive measures” and warned of “corresponding legal liabilities” for those who assist or implement such policies. The ministry urged Washington to respect international trade laws and to stop actions that disrupt global supply chains or unfairly target Chinese firms.

The escalation reflects mounting tensions in the global tech war between the U.S. and China. Huawei, which has long been a focal point in this dispute, continues to face export restrictions over alleged national security concerns. The new U.S. advisory targets the AI segment — a crucial area of technological competition — where Huawei’s Ascend chips are gaining traction.

While the Chinese statement did not specify what form legal action might take, the warning suggests that Beijing could respond with domestic legal challenges or retaliatory trade and regulatory measures against companies perceived as cooperating with U.S. sanctions.