Sino Star Global vs. Shenzhen Haoqing: $782K Default Judgment in Programmable Virtual Book Patent Case
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📋 Case Summary
| Case Name | Sino Star Global, Ltd. v. Shenzhen Haoqing Technology Co., Ltd. |
| Case Number | 4:22-cv-00980 (E.D. Tex.) |
| Court | U.S. District Court for the Eastern District of Texas |
| Duration | Nov 2022 – Jan 2026 3 years 2 months |
| Outcome | Plaintiff Win — $782K Default Judgment |
| Patents at Issue | |
| Accused Products | Programmable Virtual Book System |
Case Overview
The Parties
⚖️ Plaintiff
An intellectual property holding entity asserting rights over programmable virtual book system technology, focused on enforcement and licensing.
🛡️ Defendant
A Chinese technology company based in Shenzhen, China’s principal electronics manufacturing hub. Failed to engage defense counsel or appear in proceedings.
Patents at Issue
This case implicated two U.S. patents directed at programmable virtual book systems, a category of interactive digital content technology with ongoing commercial relevance.
- • US7304635B2 — Covers core architecture of a programmable virtual book system, addressing interactive digital content delivery and programmable interface functionality.
- • US7009596B2 — A related patent in the same technology family, directed at foundational elements of virtual book system design and operation.
Designing a similar interactive digital product?
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The Verdict & Legal Analysis
Outcome
The court entered Final Judgment in favor of Sino Star Global, Ltd., awarding:
- • Treble damages: $782,257.05
- • Attorneys’ fees: $29,848.50
- • Costs: $566.42
- • Pre-judgment interest as provided by law
- • Post-judgment interest at the statutory rate under 28 U.S.C. § 1961 until full payment
The total recovery exceeds $812,671 before interest calculations. The court granted treble damages — a remedy available under 35 U.S.C. § 284 for willful infringement — significantly amplifying the base damages figure.
Key Legal Issues
The operative cause was a straightforward infringement action under U.S. patent law. Because Shenzhen Haoqing failed to appear or contest the allegations, the court treated the plaintiff’s well-pleaded allegations as admitted for default judgment purposes. The grant of treble damages is legally significant; under *Halo Electronics, Inc. v. Pulse Electronics, Inc.*, 579 U.S. 93 (2016), enhanced damages require a finding of egregious, willful conduct. In default judgment contexts, courts have interpreted the defendant’s deliberate non-participation as supporting a willfulness inference sufficient for enhancement.
The practical limitation remains enforcement. A U.S. judgment against a Chinese entity requires either U.S.-based assets or international recognition proceedings, which Chinese courts have historically declined to grant automatically. Patent holders must factor this enforcement gap into their strategic calculus.
Freedom to Operate (FTO) Analysis
This case highlights critical IP risks in programmable virtual book technology. Choose your next step:
📋 Understand This Case’s Impact
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High Risk Area
Programmable virtual book systems
2 Related Patents
In programmable virtual book space
Design-Around Options
Available for some claims
✅ Key Takeaways
Default judgment with treble damages remains a potent and judicially sanctioned strategy against non-appearing foreign defendants in the Eastern District of Texas.
Search related case law →The defendant’s non-participation, especially by foreign entities with notice, supports a willfulness inference sufficient for enhanced damages under 35 U.S.C. § 284.
Explore precedents →Conduct Freedom-to-Operate (FTO) analysis against US7304635B2 and US7009596B2 prior to U.S. market entry for products incorporating programmable virtual book architectures.
Start FTO analysis for my product →Non-appearance in U.S. patent litigation is never a viable risk management strategy for foreign manufacturers; the default judgment exposure (multiplied by trebling) vastly outweighs defense costs.
Try AI patent drafting →Frequently Asked Questions
The case involved US7304635B2 and US7009596B2, both directed at programmable virtual book system technology.
The court granted treble damages under 35 U.S.C. § 284 following a default judgment, where Shenzhen Haoqing’s failure to appear supported a willfulness inference consistent with *Halo Electronics v. Pulse Electronics*.
It establishes an enforceable damages benchmark and reinforces that U.S. courts will impose maximum statutory remedies against non-participating foreign defendants, increasing pressure on similar defendants to engage counsel.
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PatSnap IP Intelligence Team
Patent Research & Competitive Intelligence · PatSnap
This analysis was produced by the PatSnap IP Intelligence Team — a group of patent analysts, IP strategists, and data scientists who work daily with PatSnap’s global patent database of over 2 billion structured data points across patents, litigation records, scientific literature, and regulatory filings.
The team specialises in tracking landmark litigation outcomes, translating complex court rulings into actionable IP strategy, and identifying the competitive intelligence implications for R&D and legal teams, particularly in cross-border enforcement scenarios. All case analysis is grounded in primary sources: official court records and USPTO filings.
References
- United States District Court, Eastern District of Texas — Case No. 4:22-cv-00980
- U.S. Patent No. 7,304,635 B2
- U.S. Patent No. 7,009,596 B2
- Cornell Legal Information Institute — 28 U.S.C. § 1961
- Cornell Legal Information Institute — 35 U.S.C. § 284
- *Halo Electronics, Inc. v. Pulse Electronics, Inc.*, 579 U.S. 93 (2016)
- PatSnap — IP Intelligence Solutions for Law Firms
This article is for informational purposes only and does not constitute legal advice. All case information is drawn from publicly available court records. For platform capabilities, visit PatSnap.
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