CLO Virtual Fashion vs. Lingdi: 3D Apparel Patent Dispute Settles

Case Overview

After nearly three years of litigation, CLO Virtual Fashion, Inc. and Zhejiang Lingdi Digital Technology Co., Ltd. reached a confidential settlement, bringing Case No. 2:23-cv-00274 to a close on February 19, 2026. Filed in the Eastern District of Texas—one of the nation’s most active patent litigation venues—this case centered on three U.S. patents covering breakthrough methods for creating and measuring digital clothing in three-dimensional virtual environments.

The case matters beyond its resolution. As fashion technology converges with digital manufacturing, augmented reality retail, and AI-driven design platforms, patent rights over 3D virtual clothing creation are becoming commercially critical. The dispute between a South Korean-founded digital fashion software leader and a Chinese digital technology company reflects intensifying IP competition in the global fashion-tech space. For patent attorneys, IP strategists, and R&D teams operating in the 3D apparel technology sector, this case offers instructive lessons on litigation strategy, settlement dynamics, and patent portfolio management in an emerging, high-growth technology vertical.

The Parties

Patents at Issue

This landmark case involved three U.S. patents covering breakthrough methods for creating and measuring digital clothing in three-dimensional virtual environments. These patents collectively protect core computational processes for translating physical garment design logic into digital 3D environments—technology foundational to virtual try-on, digital fashion manufacturing, and metaverse apparel applications.

• • US 11,410,355 B2 — Methods and apparatus for creating digital clothing
• • US 10,733,773 B2 — Methods and apparatus for creating digital clothing
• • US 11,222,448 B2 — Methods and apparatus for measuring two-dimensional pattern measurements corresponding to three-dimensional virtual clothing

The Verdict & Legal Analysis

Litigation Timeline & Procedural History

CLO Virtual Fashion filed the complaint on **June 14, 2023**, in the **U.S. District Court for the Eastern District of Texas**—a venue historically favored by patent plaintiffs for its efficient scheduling, experienced patent dockets, and plaintiff-friendly jury demographics. The case proceeded at the district court (first instance) level throughout its lifecycle.

Over **981 days**—approximately 2.7 years—the matter traversed the full arc of complex patent litigation, including pleadings, discovery, likely claim construction proceedings (a Markman hearing), and expert discovery before the parties jointly moved for dismissal following a negotiated resolution.

The case closed on **February 19, 2026**, via a joint motion to dismiss filed as Docket No. 322. The relatively extended duration is consistent with multi-patent technology cases in the Eastern District of Texas, where claim construction disputes and technical expert discovery routinely extend timelines. No chief judge data was disclosed in the record for this matter.

📎 Case filings are accessible via PACER under Case No. 2:23-cv-00274, Eastern District of Texas.

Outcome

The case was **dismissed with prejudice** pursuant to a joint motion agreed to by both parties, reflecting a negotiated settlement. The court’s order—consistent with Rule 41(a) dismissal practice—explicitly retained jurisdiction to enforce the settlement agreement, a standard provision indicating the existence of binding contractual terms between the parties.

No damages amount was publicly disclosed. The court ordered each party to bear its own costs, expenses, and attorneys’ fees, a typical provision in negotiated resolutions that avoids post-settlement fee disputes.

Verdict Cause Analysis

The operative cause of action was **patent infringement**, with CLO Virtual Fashion asserting that Lingdi’s digital clothing software products infringed claims across all three asserted patents. While the settlement prevents a public merits ruling, several structural observations are analytically significant:

Claim scope and technical complexity in 3D garment digitization patents—particularly those involving algorithmic measurement of 2D-to-3D pattern correspondence—create inherently contested claim construction terrain. The breadth of CLO’s legal team, spanning multiple firms with deep IP litigation expertise, suggests CLO pursued aggressive infringement positions across both method and apparatus claims.

Defendant’s retention of Quinn Emanuel signals Lingdi’s seriousness about contesting infringement and potentially challenging patent validity—possibly through inter partes review (IPR) petitions at the USPTO, though no PTAB proceedings were identified in the provided case data. The settlement’s “with prejudice” dismissal forecloses future assertion of the same claims by CLO against Lingdi on these patents for the conduct at issue.

Legal Significance

Because the case resolved before any substantive court ruling on infringement or validity, it carries **limited direct precedential value**. However, the filing itself and the patents asserted establish an important public record: CLO Virtual Fashion has actively enforced its 3D digital clothing patent portfolio in U.S. federal court. This enforcement posture will influence competitor behavior, licensing negotiations, and future patent prosecution strategies across the fashion-tech sector.

The Eastern District of Texas venue selection also reinforces ongoing trends—patent holders continue to leverage this jurisdiction despite post-*TC Heartland* venue constraints, particularly where defendants have meaningful U.S.-directed commercial activities.

Strategic Takeaways

For patent holders: CLO’s multi-patent assertion strategy across a family of related digital clothing patents demonstrates the value of building layered patent portfolios that cover both method claims (how digital garments are created) and apparatus claims (the systems performing those processes). Enforcing multiple related patents simultaneously increases settlement leverage and complicates invalidity defenses.

For accused infringers: Early investment in freedom-to-operate (FTO) analysis before entering the U.S. market with competing 3D fashion software is essential. The cost and duration of this litigation—nearly three years with large counsel teams on both sides—underscores the financial exposure of reactive defense strategies.

For R&D teams: Design-around analysis for 3D garment digitization workflows should specifically address the algorithmic correspondence between 2D pattern measurements and 3D virtual representations, the precise technical territory protected by the ‘448 patent.

🔗 Search the asserted patents on USPTO Patent Full-Text Database using numbers US11410355B2, US10733773B2, and US11222448B2.