A new CSIS analysis is breaking down the Biden administration's updated semiconductor export controls — the regulatory regime that, since 2022, has redrawn how advanced chips and the equipment that builds them cross borders.

The Center for Strategic and International Studies, Washington's most quoted think tank on technology and security, published the piece under the headline "Understanding the Biden Administration's Updated Export Controls." It targets policy wonks and chip-industry compliance lawyers who have spent two years untangling the layered Federal Register notices and the diplomatic negotiations behind them.

How did Washington build the regime?

The Biden administration erected its semiconductor export-control architecture in three main waves.

The October 2022 update kicked off the regulatory reset. The Bureau of Industry and Security tightened license requirements on advanced logic and memory headed to China, plus the manufacturing gear needed to produce them. Chinese fabs — SMIC for logic, YMTC for NAND, CXMT for DRAM — found their roadmaps caught in Washington's widening frame. The rules gave U.S. suppliers little choice but to seek individual licenses for restricted shipments.

The October 17, 2023 overhaul expanded the controls dramatically. BIS extended the rules to cover advanced computing chips, AI accelerators, and the lithography tools — including EUV and advanced DUV systems — used to fabricate them. Suppliers across the Pacific had to revisit every customer contract. The chip-design community also felt the impact, with restrictions extending to advanced GPUs designed for AI training runs.

The late 2024 update represented the administration's final overhaul. It adjusted AI accelerator thresholds — exemptions that reportedly captured Nvidia's H20 and AMD's MI308 — while tightening high-bandwidth memory controls and adding new software and equipment categories.

Why is CSIS tracking it now?

CSIS analysts have spent years documenting how U.S. rules intersect with allied policy. The Dutch government's stance on ASML and Tokyo's negotiations with Nikon and Canon have loomed especially large. No unilateral U.S. action closes a global supply chain on its own.

That trilateral coordination produced measurable effects. ASML's most advanced EUV systems remain effectively blocked from China. Tokyo Electron and Lam Research face new licensing hurdles on equipment bound for Chinese fabs. China's SMEE, racing to build a domestic EUV alternative, has yet to field a production-ready system.

What have suppliers done in response?

The chip industry has spent two years recalibrating. SMIC has invested heavily in domestic equipment substitution, leaning on Chinese tool vendors for processes where Western suppliers have pulled back. YMTC has shifted NAND output toward older nodes outside the restricted specs.

TSMC, Samsung, and SK hynix operate legacy China fabs under Validated End User authorizations — special licenses that let older lines keep running while newer capacity stays blocked. SMIC, meanwhile, has pressed ahead with what it calls 7nm-class logic output, drawing continued scrutiny from Washington's compliance reviewers.

What comes next?

Industry lawyers expect the regime to keep evolving through 2026. Likely adjustments include revised AI accelerator thresholds, expanded country coverage, and continued trilateral coordination with Dutch and Japanese partners on advanced lithography and deposition gear.

For U.S. chipmakers, the export-control architecture will keep shaping how they serve one of the world's largest — and most restricted — chip markets.