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← All case files CS-036 / Last reviewed Aug 23, 2026 Jump to sources ↓

AI, semiconductors & telecommunications / 2015–2019

Former ASML staff moved Brion source code into a startup building a competing chip-design product

A Silicon Valley jury found that XTAL misappropriated computational-lithography source code and induced former ASML employees to breach their duties, allowing the startup to avoid years of research expense.

Finding

The civil judgment awarded ASML $845 million and an injunction, though XTAL's bankruptcy made the award uncollectable. ASML explicitly said it found no evidence of direct PRC government involvement.

01 / Executive brief

Executive summary

In 2015, former employees of Brion, ASML's California software subsidiary, moved source code and intellectual property related to Process Window Enhancement into work for XTAL. The technology helps chipmakers improve patterns produced through computational lithography; ASML said the affected business was separate from its main lithography-system business and represented less than one percent of annual revenue. S1S2S3

A Santa Clara County jury found XTAL liable for trade-secret misappropriation and for inducing and aiding employee breaches, and found its conduct malicious. The final judgment awarded $845 million and imposed an injunction, with avoided R&D costs driving the award. XTAL went bankrupt, making the judgment uncollectable; ASML also stated that it found no evidence of direct Chinese government involvement and rejected broader speculation. S1S2

Two people hold a large precision lens formerly used in ASML chipmaking equipment
technology

An older ASML lithography lens illustrates the precision ecosystem around chip patterning. The XTAL case concerned Brion computational-lithography software, not this lens or ASML's core machine designs.

The Next Web / Wikimedia Commons · Creative Commons Attribution-ShareAlike 2.0 ↗

02 / The vignette

What happened

The asset was software around the machine

ASML is best known for lithography hardware, but this case concerned Brion software used to enhance semiconductor process windows. Source code embodied research, algorithms, and implementation decisions that a competitor could reuse without repeating ASML's development path. S1S2

A startup assembled people and code together

Former employees brought both domain knowledge and protected material into XTAL. The jury found that XTAL induced breaches of contract and fiduciary duty and misappropriated trade secrets while attempting to build a competing product for an existing ASML customer in South Korea, which had also invested in the startup. S1S2

The judgment was large, but the company stated its limits

The $845 million final judgment principally reflected R&D expense XTAL avoided, not an equal amount of sales lost by ASML. ASML said the customer deal was thwarted, sustained actual damage was limited, and bankruptcy made the award uncollectable. It also said evidence supported self-enrichment, not a government-directed Chinese conspiracy. S1S2

03 / Anatomy

How access became transfer

This chain reconstructs the sequence supported by the cited record. It does not imply that every legitimate relationship follows the same path.

  1. 01

    Relationship established

    Former staff joined a startup

    XTAL recruited employees with direct knowledge of Brion's computational-lithography software. S1S2

  2. 02

    Sensitive access gained

    Source code and technical IP

    The employees had access to protected Process Window Enhancement materials. S1

  3. 03

    Information acquired

    Code misappropriated

    The jury found that source code and other Brion IP entered XTAL's possession and development work. S1S2

  4. 04

    Assets moved

    Employer-to-startup transfer

    People and files crossed from Brion into XTAL during 2015. S1

  5. 05

    Technology put to use

    Competing product built

    XTAL used the protected material to avoid development costs and pursue an existing ASML customer. S1S2

  6. 06

    Competitive harm

    Judgment, injunction, bankruptcy

    ASML won $845 million and strong injunctive relief, but the bankrupt defendant could not pay the award. S2S3

04 / Evidence boundary

What is established—and what is not

Established in the record

  • A civil jury found XTAL liable for trade-secret misappropriation and employee-related breaches involving Brion source code and IP. S1S2
  • The final judgment awarded $845 million and imposed an injunction, while XTAL's bankruptcy made the award uncollectable. S2

Uncertain, limited, or unresolved

  • ASML expressly stated that it found no evidence of direct Chinese government involvement and that broad government-directed conspiracy claims were speculative. S1

Subject response / procedural context

  • ASML publicly corrected what it viewed as exaggerated reporting, stressing that the affected business was small, the customer loss was prevented, and the evidence pointed to private enrichment rather than state direction. S1

05 / Sequence

Timeline

  1. Source code moves

    Former Brion employees misappropriated PWE source code and IP for XTAL. S1

  2. Jury verdict

    The jury found XTAL liable on all counts and found the conduct malicious. S1S2

  3. Final judgment entered

    The court awarded $845 million and issued an injunction after bankruptcy proceedings returned the case to trial court. S2S3

06 / People and institutions

Who appears in the public record

XTAL, Inc.

Silicon Valley startup found liable for misappropriation

Outcome: Civil judgment and injunction; entered bankruptcy

Former ASML and Brion employees

Personnel found to have moved protected source code and breached duties

Originator / affected institution

ASML

Parent company and plaintiff

Originator / affected institution

Brion

ASML software subsidiary that developed the affected technology

07 / Consequences

Documented and attributed harm

Court finding

The $845 million judgment primarily measured research and development costs XTAL avoided; ASML said actual sustained commercial damage was limited and the award was uncollectable. S1S2

08 / Hindsight analysis

Where leadership could have seen risk

These are our analytic judgments based on the public record, not court findings. They are framed to improve controls without treating nationality as a risk factor.

People and code moved as one package

A startup gained value by combining former employees' tacit expertise with the exact source code that accelerated implementation.

A non-core unit still held crown jewels

The affected business was less than one percent of revenue, yet its software embodied expensive and competitively useful R&D.

09 / Apply the lesson

Actions leaders can take

  1. companies

    Fingerprint critical source

    Use repository controls and code-similarity monitoring to identify proprietary implementations appearing in outside products.

  2. companies

    Watch coordinated startup moves

    Review clusters of departures into a newly funded competitor, especially when roles collectively span a full product stack.

  3. both

    State damages precisely

    Separate avoided R&D, actual lost sales, punitive awards, collectible value, and unproven strategic harm in public claims.

10 / Source record

Sources

Links point to the public record reviewed for this file. Government releases can summarize court proceedings but remain government-authored sources; the source note identifies those limits.

  1. S1

    Statement by ASML's Board of Management in Light of the XTAL Court Case ↗

    ASML · Published Apr 17, 2019 · Retrieved Aug 23, 2026

    company statement
  2. S2

    U.S. Court Issues Final Judgment in Favor of ASML Against XTAL ↗

    ASML · Published May 4, 2019 · Retrieved Aug 23, 2026

    company statement
  3. S3

    Judgment in ASML US, Inc. v. XTAL, Inc. ↗

    Superior Court of California, County of Santa Clara · Published May 3, 2019 · Retrieved Aug 23, 2026

    Court judgment hosted by counsel for ASML.

    court record