US Tech Company Wins IP Licensing Dispute in China: Case Background

US Tech Company Wins IP Licensing Dispute in China: Case Background

When a Silicon Valley semiconductor design firm licensed its patented chip architecture to a Chinese electronics manufacturer in 2020, the agreement represented a strategic bet on China’s growing semiconductor ecosystem. The 3-year licensing deal, valued at USD 12.5 million in upfront and milestone payments, granted the Chinese licensee the right to manufacture and sell chips using the US company’s proprietary architecture within specific market segments. By 2023, the US firm discovered that the Chinese licensee had exceeded the licensed scope by an estimated 340%, manufacturing chips for applications explicitly excluded from the agreement and sublicensing the technology to an unaffiliated third party. This case examines how the US company successfully enforced its IP licensing rights through China’s court system and secured RMB 37.6 million (USD 5.2 million) in damages and disgorged profits.

China has become the world’s largest venue for IP litigation, with Chinese courts handling approximately 540,000 intellectual property cases in 2023 alone, according to the Supreme People’s Court’s annual IP report. For foreign technology companies, China’s IP litigation system has evolved significantly since the establishment of specialized IP courts in Beijing, Shanghai, and Guangzhou in 2014, and the creation of the SPC’s IP Tribunal in 2019. Foreign plaintiffs now win IP cases in China at rates comparable to domestic plaintiffs — approximately 65-70% for patent and copyright cases, according to the 2023 SPC IP Judicial Protection White Paper.

This case study demonstrates that Chinese courts can provide effective remedies for foreign IP owners, particularly when licensing agreements are carefully drafted, evidence is thoroughly documented, and enforcement strategies account for China’s unique procedural framework.

The Licensing Agreement and the Alleged Breach

The licensing agreement between the US semiconductor design company (SpinCo, a Delaware corporation) and the Shenzhen-based electronics manufacturer (ShenzhenTech) was executed in July 2020, following 8 months of negotiations. The agreement granted ShenzhenTech a non-exclusive, non-transferable license to manufacture chips using SpinCo’s patented AI accelerator architecture for use in industrial IoT applications only — specifically, smart factory sensors and industrial automation controllers.

Key terms of the licensing agreement included:

• Licensed field of use: Industrial IoT applications only (smart sensors, factory automation controllers)
• Excluded fields: Consumer electronics, automotive, telecommunications infrastructure, and data center applications
• Royalty structure: USD 4.5 million upfront, USD 2 million upon first commercial shipment, USD 6 million in milestone payments over 3 years
• Sublicensing prohibition: Absolute prohibition on sublicensing without SpinCo’s written consent
• Audit rights: Annual audit right with 30 days’ notice; SpinCo could appoint a third-party auditor
• Governing law: PRC law, with disputes resolved at the Beijing IP Court
• Quality control: US company retained the right to approve all product datasheets and marketing materials referencing the licensed technology

In February 2023, during a routine market survey, SpinCo’s business development team discovered a ShenzhenTech product — labeled as a “5G baseband accelerator” — being marketed at the Mobile World Congress Shanghai that appeared to incorporate SpinCo’s patented architecture. Further investigation revealed that ShenzhenTech had: (1) produced and sold approximately 180,000 chips for telecom infrastructure applications, directly violating the field-of-use restriction; (2) shared the chip design files with an unaffiliated fabless semiconductor company in Nanjing, which had manufactured and sold an additional 90,000 units under its own brand; and (3) modified the firmware to disable SpinCo’s telemetry features that were designed to track chip deployment environments.

SpinCo immediately engaged a Chinese IP law firm — CCPIT Patent & Trademark Law Office’s Beijing office — to assess the scope of the breach and prepare enforcement options. CCPIT’s IP litigation team had handled 15+ cross-border technology licensing disputes and was ranked Band 1 for IP litigation by Chambers Asia-Pacific.

Pre-Litigation Evidence Collection and Strategy

Before filing the lawsuit, SpinCo and CCPIT conducted a systematic evidence collection effort that proved decisive in the court proceedings:

1. Market purchase and forensic analysis: SpinCo purchased 12 units of the suspected infringing product through a Hong Kong procurement agent. Forensic analysis by a US-based chip reverse engineering laboratory confirmed that the 5G accelerator chip contained the patented architecture’s core logic blocks, including the uniquely encoded instruction set that SpinCo had embedded as a “digital watermark” in its design files.
2. Audit invocation: SpinCo formally exercised its contractual audit right in March 2023, requesting access to ShenzhenTech’s production records, sales invoices, and inventory reports for the licensed product line. ShenzhenTech delayed the audit for 47 days and produced incomplete records — a violation of the audit clause that the court later cited as evidence of bad faith.
3. Third-party investigation: CCPIT’s investigation team identified the Nanjing sublicensee through public procurement records from China Mobile’s 5G infrastructure tenders, which listed the Nanjing company as a supplier of “baseband processing modules.” Cross-referencing customs export data (available through China’s Customs Information Center) revealed that the Nanjing company had shipped 90,000 units to Southeast Asian markets between November 2022 and February 2023.
4. Evidence preservation application: SpinCo applied to the Beijing IP Court for evidence preservation (akin to a civil law saisie-contrefaçon), requesting the court to seize ShenzhenTech’s design files, manufacturing records, and financial accounts. The court granted the application and executed the seizure in April 2023, recovering 2.3 terabytes of engineering data, including version-controlled design files showing the unauthorized field-of-use modifications.
5. Notarization of digital evidence: All WeChat communications between SpinCo’s licensing manager and ShenzhenTech’s engineering team were notarized, including messages discussing the “expansion strategy” for the licensed technology into telecom applications. The WeChat records showed that ShenzhenTech’s CEO had personally authorized the field-of-use expansion in October 2021.

The evidence preservation order was a critical tactical victory. Under Article 81 of the Civil Procedure Law, a party may apply for evidence preservation before filing a lawsuit if the evidence may be destroyed or become difficult to obtain later. The Beijing IP Court’s willingness to grant the application — particularly for a foreign plaintiff — reflects the court’s established practice in IP cases, where 73% of evidence preservation applications were granted in 2023, according to the Beijing IP Court’s annual work report.

Court Proceedings and Legal Arguments

SpinCo filed its lawsuit at the Beijing IP Court in May 2023, asserting claims for breach of contract, patent infringement, and unfair competition. The trial proceeded according to the Beijing IP Court’s standard timeline for complex technology cases:

The court’s analysis centered on four legal issues. First, the field-of-use restriction: ShenzhenTech argued that the restriction was ambiguous because the agreement defined “industrial IoT” broadly as “smart devices connected to industrial networks.” The court applied Article 498 of the Civil Code (contra proferentem rule), finding that ambiguous terms should be construed against the drafter — but held that the drafting party (SpinCo) had provided sufficient clarity through an exhibit listing 22 specific excluded applications, including telecommunications infrastructure. The court emphasized that the contra proferentem rule only applies where ambiguity cannot be resolved through other interpretive methods; here, the exhibit resolved any ambiguity.

Second, the sublicensing violation: The court found that ShenzhenTech’s sharing of design files constituted sublicensing under Article 8 of the Technology Contract Interpretation of the SPC, which defines sublicensing broadly to include any situation where a licensee “enables a third party to exploit the licensed technology through provision of technical materials, know-how, or production assistance.” The Nanjing company’s manufacture of 90,000 units using SpinCo’s design files without any separate licensing arrangement was a clear sublicensing violation.

Third, damages calculation: The court applied Articles 71 and 72 of the Patent Law (as amended in 2020), which allow damages based on (a) the patent owner’s actual losses, (b) the infringer’s profits from infringement, (c) a reasonable multiple of the licensing royalty, or (d) statutory damages of up to RMB 5 million (or RMB 50 million for willful infringement). SpinCo elected to claim disgorgement of ShenzhenTech’s profits from the unauthorized sales, calculated at RMB 31.2 million based on financial records seized during the evidence preservation. The court also applied punitive damages of 1.5x on RMB 6.4 million of the profit attributable to the sublicensing activity, bringing the total to RMB 37.6 million.

Fourth, the unfair competition claim: The court found that ShenzhenTech’s modification of firmware to disable SpinCo’s telemetry features constituted unfair competition under Article 12 of the Anti-Unfair Competition Law, which prohibits interference with a competitor’s legitimate technical measures. However, the court declined to award separate damages for this claim, finding that the patent infringement damages adequately compensated SpinCo.

Enforcement of the Damages Award

The Beijing IP Court’s judgment in January 2024 awarded SpinCo RMB 37.6 million, including RMB 31.2 million in disgorged profits, RMB 4.8 million in punitive damages for willful infringement (capped at 5x under the 2020 Patent Law amendment), RMB 1.2 million in reasonable litigation costs, and RMB 0.4 million in IP expert appraisal fees. ShenzhenTech was also ordered to cease manufacturing and selling the infringing products and to recall remaining inventory from its distribution channels.

Enforcement proceeded through several stages:

• Voluntary compliance period (January-February 2024): ShenzhenTech complied with the cease-and-desist order within 15 days, recalling 12,400 units from its distributors. However, no monetary payment was made during the 10-day voluntary period.
• Enforcement filing (February 2024): SpinCo filed for compulsory enforcement with the Beijing IP Court’s enforcement division. The court issued asset preservation orders within 5 business days, freezing ShenzhenTech’s primary bank accounts (RMB 18.2 million frozen) and placing a lien on its factory property in Shenzhen’s Longhua District (appraised at RMB 45 million).
• Asset tracing (March-April 2024): CCPIT’s enforcement team used China’s Judicial Auction Network and the National Enterprise Credit Information System to identify additional assets: RMB 5.8 million in accounts receivable from ShenzhenTech’s 5 largest customers, and RMB 3.2 million in raw material inventory. The court issued garnishment orders against the accounts receivable.
• Settlement during enforcement (May 2024): Facing the prospect of a forced auction of its factory property — which would have disrupted its entire production capacity — ShenzhenTech’s parent company (a Hong Kong-listed conglomerate) intervened and paid the full RMB 37.6 million judgment amount plus RMB 0.8 million in enforcement costs and accrued interest under Article 260 of the Civil Procedure Law (double interest on delayed performance).

Total recovery was RMB 38.4 million (100% of the judgment plus enforcement interest), achieved within 4 months of filing the enforcement application. Legal costs totaled approximately RMB 2.1 million, including Chinese counsel fees, technical appraisal costs, and evidence notarization expenses — yielding a net recovery of RMB 36.3 million.

Key Strategic Takeaways for Foreign Technology Companies

This case provides several actionable lessons for foreign firms licensing technology in China:

1. Build forensic watermarks into licensed technology. SpinCo’s deliberately embedded “digital watermark” in the chip architecture’s instruction set was the single most important piece of evidence. The forensic analysis provided objective, incontrovertible proof of unauthorized use that the supplier could not dispute. Foreign technology companies should incorporate trackable identifiers — whether in source code comments, chip design metadata, configuration file hashes, or firmware version markers — that enable independent verification of whether licensed technology is being deployed in authorized fields of use.
2. Invest in pre-litigation evidence preservation. The Beijing IP Court’s evidence preservation order was granted within 7 days of SpinCo’s application and secured 2.3 terabytes of incriminating data. Under Article 81 of the Civil Procedure Law, courts may issue ex parte preservation orders in IP cases where the applicant demonstrates a prima facie case and risk of evidence destruction. Foreign companies should prepare draft preservation applications as part of their pre-dispute readiness, including: (a) identification of specific evidence categories (design files, financial records, correspondence); (b) justification of preservation necessity (e.g., digital evidence vulnerability, history of data destruction); and (c) security deposits — courts typically require applicants to post a bond equal to 10-20% of the claim amount.
3. Consider the full enforcement ecosystem. The successful enforcement in this case depended on ShenzhenTech’s parent company’s financial capacity and the Hong Kong listing jurisdiction’s influence on corporate behavior. Foreign firms should conduct pre-licensing enforcement feasibility assessments — evaluating the licensee’s parent company, major customers, and tangible asset base — as part of the licensing negotiation. Contractual provisions requiring parent company guarantees or bank performance bonds for licensees with limited asset bases are strongly recommended.
4. Leverage China’s punitive damages framework. The 2020 Patent Law amendment introduced a punitive damages system of up to 5x the established damages for willful infringement. In this case, punitive damages added RMB 4.8 million to the award — a meaningful deterrent that ShenzhenTech’s management cited during the enforcement settlement negotiations as a factor in their decision to settle rather than appeal. Foreign firms should document evidence of willfulness (cease-and-desist letters, audit obstruction, deliberate measures to conceal infringement) from the earliest possible stage.
5. Engage specialized Chinese IP counsel early. The technical complexity of semiconductor patent cases requires counsel with both legal expertise and technical understanding of the relevant engineering fields. CCPIT’s specialized IP litigation team was able to communicate effectively with the court-appointed technical investigator from Tsinghua University, ensuring that the technical appraisal scope was correctly framed. Foreign companies should vet PRC counsel for both their litigation record and their ability to work with technical experts across the Chinese court system.

Comparative Analysis: China IP Enforcement vs. Other Jurisdictions

This comparison illustrates that Chinese IP courts — particularly the specialized IP courts in Beijing, Shanghai, and Guangzhou — offer enforcement outcomes that are competitive with, and in some respects superior to, traditional Western IP enforcement venues. The combination of ex parte evidence preservation, relatively fast trial timelines, punitive damages, and efficient enforcement proceedings makes China an increasingly attractive jurisdiction for foreign IP owners to enforce their rights — particularly when the infringer has identifiable assets within the court’s jurisdiction.

Recommendations for Foreign IP Licensing in China

Building on the lessons from this case, foreign technology companies should implement the following practices in their China licensing agreements:

• Field-of-use definitions must be exhibit-driven. Rather than relying on broad category descriptions (e.g., “industrial IoT”), include an exhibit listing 10-30 specific excluded applications. This eliminates ambiguity in contract interpretation and shifts the burden to the licensee to demonstrate that its use falls within the licensed field.
• Audit clause architecture matters. The best audit clauses include: (a) short notice period (15-20 days); (b) right to appoint an independent third-party auditor; (c) licensee obligation to maintain complete records for 5+ years; (d) liquidated damages for audit obstruction (e.g., automatic royalty increase of 2x); and (e) the licensee bears audit costs if the audit reveals underreporting exceeding 5%.
• Technical protection measures should be contractualized. SpinCo’s firmware telemetry feature — which reported chip deployment environment data — was a passive technical measure. Future agreements should require licensees to maintain technical protection measures and provide contractual remedies for their disablement, including: acceleration of all unpaid royalties, termination for cause, and liquidated damages equal to 3x the average quarterly royalty.
• Sublicensing prohibitions must extend to “enabling conduct.” The standard sublicensing prohibition should be supplemented with specific prohibitions on: sharing design files, providing technical training on the licensed technology to third parties, allowing third-party access to manufacturing equipment configured for the licensed product, and incorporating licensed technology into third-party products (even as a component).
• Enforcement readiness should precede dispute. Foreign firms should prepare evidence preservation application templates, maintain relationships with 2-3 qualified Chinese IP law firms, and conduct periodic audits — even when no breach is suspected — to establish an audit track record that supports later evidence preservation applications.

The SpinCo case demonstrates that China’s IP enforcement system can deliver effective remedies for foreign technology companies — but the quality of the outcome is directly proportional to the quality of the pre-dispute preparation. Companies that invest in properly drafted agreements, technical protection measures, and enforcement readiness will find Chinese courts to be capable and increasingly reliable partners in protecting their intellectual property.

This article is for informational purposes only and does not constitute legal advice. Foreign companies should consult qualified PRC intellectual property counsel before licensing technology in China. First published on china-gateway360.com.

For guidance on IP protection in China, see our China IP Protection Guide for Foreign Firms or our Technology Licensing in China Overview.