The theft of ASML's IP in China, the company's third-biggest market, could spark even tighter controls on ASML, creating problems for its growth in the country
In the 10 years that Peter Wennink has run ASML Holding NV, China has gone from a rounding error to the chip-technology company's third-biggest market.
Context & Ripple Effects
The breach ASML reported days earlier — a former employee in China misappropriating proprietary data with possible export-controls violations (disclosed to authorities) — is the third incident in a pattern stretching back years: alleged software theft at its US subsidiary in 2019, then allegations against Xtal and China's Dongfang, companies founded by ex-ASML engineer Zongchang Yu. Each episode lands on the same fault line: China is simultaneously ASML's fastest-growing customer base and the source of its IP leakage.
First-order effects
- ASML now faces the prospect of tighter controls on what it can sell into China, directly constraining growth in what was its third-biggest market under Peter Wennink's tenure.
- Chinese customers of ASML's lithography tools face procurement uncertainty as regulators weigh restricting shipments in response to repeated IP theft.
Second-order effects
- Recurring theft plus control gaps push Beijing further toward self-sufficiency mandates — consistent with reports it requires chipmakers to use at least 50% domestically made equipment for new capacity — shrinking ASML's addressable demand even if formal controls stay loose.
- US-led export controls lose credibility when cracks like the reported retrofitting of older ASML DUV machines to produce advanced smartphone and AI chips show restrictions being routed around rather than respected.
Third-order effects
- If the pattern holds, semiconductor equipment splits into two regimes: controlled Western toolmakers facing compliance overhead and capped China revenue, versus a Chinese domestic-equipment ecosystem accelerated by both theft-derived know-how and forced substitution — with the later data point that China became ASML's biggest market for four straight quarters showing how much revenue is at stake on which side of that split ASML ends up.
The trend: Chip-equipment export policy is hardening from targeted bans into structural decoupling, with IP-theft incidents giving regulators fresh justification each time China's share of toolmaker revenue grows.