Alpha Touch Group LLC v. OnePlus Technology Shenzhen Co Ltd

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: Alpha Touch Group LLC (Texas)
  • Defendant: OnePlus Technology (Shenzhen) Co., Ltd. (China)
  • Plaintiff's Counsel: Fabricant, Rubino & Lambrianakos LLP
• Case Identification: 2:26-cv-00245, E.D. Tex., 03/24/2026
• Venue Allegations: Plaintiff alleges venue is proper because Defendant, a non-U.S. resident, does business in Texas through authorized sellers and online stores, has substantial revenue from the state, and previously consented to jurisdiction in the district in prior litigation.
• Core Dispute: Plaintiff alleges that Defendant's smartphones and tablets infringe four patents related to the structural design and manufacturing of capacitive touch screen displays.
• Technical Context: The patents concern methods for creating thinner, more durable, and more cost-effective touch screen assemblies by integrating components and modifying the layered structure of the display stack.
• Key Procedural History: The complaint notes that in a prior case, Altpass LLC v. OnePlus Tech. (Shenzhen) Co., No. 2:20-cv-00105 (E.D. Tex.), Defendant admitted to transacting business within Texas, an admission Plaintiff cites to support jurisdiction and venue.

Case Timeline

II. Technology and Patent(s)-in-Suit Analysis

U.S. Patent No. 11,493,794 - "Electronic Device and Method of Manufacturing the Same," issued November 8, 2022

The Invention Explained

• Problem Addressed: The patent's background describes the challenge of creating durable and thin foldable screens. Prior art solutions using plastic films can form permanent creases after repeated bending, and the use of optical clear adhesives (OCA) to bond layers increases thickness and can introduce defects '794 Patent, col. 1:12-44
• The Patented Solution: The invention proposes a cover plate for an electronic device that includes an ultra-thin glass layer directly laminated with transparent covering layers (e.g., polyimide) without any intermediate adhesive. This direct lamination is achieved by coating a liquid polymer onto the glass and then drying it, which is intended to reduce overall thickness, simplify manufacturing, and improve surface performance like bending and abrasion resistance '794 Patent, abstract '794 Patent, col. 3:1-12 '794 Patent, FIG. 2
• Technical Importance: This approach seeks to combine the optical quality and hardness of glass with the flexibility of polymer films in a way that is suitable for foldable devices, a significant design challenge in the mobile device industry '794 Patent, col. 1:12-22

Key Claims at a Glance

• The complaint asserts independent claim 1 Compl. ¶25
• Claim 1 Elements:
  • An electronic device comprising a cover plate, a touch sensing layer, and a display module.
  • The cover plate comprises a glass layer with a first and second surface.
  • The cover plate further comprises at least one transparent covering layer that is "disposed on and in contact with" the glass layer and "laminated with" it.
  • The covering layer itself comprises a first and second transparent covering layer, with the glass layer laminated between them.
  • A touch sensing layer is disposed under the cover plate, and a display module is disposed under the touch sensing layer.

U.S. Patent No. 9,606,675 - "Capacitive Touch Panel," issued March 28, 2017

The Invention Explained

• Problem Addressed: The patent describes prior art touch panel manufacturing as complex and costly because the lens and the touch sensor are fabricated on separate substrates and then laminated together, a process prone to defects '675 Patent, col. 1:19-38
• The Patented Solution: The invention claims a capacitive touch panel where the sensing circuit and a peripheral mask layer are integrally formed on a single substrate (a "singular lens substrate"). This eliminates the need to bond a separate, pre-fabricated touch sensor substrate, thereby simplifying the assembly process, reducing thickness, and lowering costs '675 Patent, abstract '675 Patent, col. 2:46-60 The patent describes this as a "physical tactile inputting integration" that is distinct from laminated multi-substrate structures '675 Patent, claim 1
• Technical Importance: This "on-cell" or "in-cell" approach to touch sensor integration was a key step in the industry's move toward thinner, lighter, and more seamlessly constructed mobile device displays '675 Patent, col. 1:12-18

Key Claims at a Glance

• The complaint asserts independent claim 1 Compl. ¶42
• Claim 1 Elements:
  • A capacitive touch panel comprising a substrate (glass or plastic) with a first and second surface.
  • A sensing circuit.
  • A "physical tactile inputting integration" with a peripheral masking area, a first surface for receiving input, and a second surface for forming the sensing circuit.
  • A negative limitation: "wherein there is no other substrate made of glass or plastic material laminated or bonded on the first surface of the substrate."

U.S. Patent No. 9,395,857 - "Capacitive Touch Panel," issued July 19, 2016

• Technology Synopsis: The '857 Patent discloses a capacitive touch panel structure aimed at simplifying manufacturing. It describes an assembly comprising a cover lens, a decoration layer, and a color filter substrate, where the touch-sensing electrode layer is disposed on the color filter substrate and the entire assembly is bound by an adhesive layer Compl. ¶¶59-63 This design consolidates functions to reduce the number of separate substrates required compared to older manufacturing methods.
• Asserted Claims: Independent claim 15 Compl. ¶58
• Accused Features: The complaint alleges that OnePlus devices with AMOLED/OLED displays, such as the OnePlus 15, infringe by incorporating a cover lens, a decoration layer, a color filter substrate with an electrode layer, and an adhesive layer for binding the components Compl. ¶¶59-63

U.S. Patent No. 8,482,542 - "Capacitive Touch Panel," issued July 9, 2013

• Technology Synopsis: The '542 Patent describes a capacitive touch panel architecture that reduces layers and complexity. The invention involves a cover lens with a first electrode layer disposed on its inward-facing side, an anti-reflection layer, a non-gaseous insulating layer disposed over the first electrode layer, and a second electrode layer disposed on the insulating layer '542 Patent, claim 1 This structure integrates the entire touch sensor assembly directly onto the back of the cover lens, eliminating the need for a separate touch substrate.
• Asserted Claims: Independent claim 1 Compl. ¶75
• Accused Features: The complaint alleges that devices like the OnePlus 15 infringe by having a cover lens, first and second electrode layers, an anti-reflective coating, and an insulating layer, all integrated with the display Compl. ¶¶76-80

III. The Accused Instrumentality

Product Identification

• The complaint accuses a wide range of OnePlus smartphones and tablets, including but not limited to the OnePlus 8, 9, 10, 11, 12, 13, 15, Nord, and Pad series Compl. ¶¶16-18 The OnePlus Open is identified as an exemplary product for the '794 Patent, while the OnePlus 15 is exemplary for the '675, '857, and '542 Patents Compl. ¶25 Compl. ¶42 Compl. ¶58 Compl. ¶75

Functionality and Market Context

• The accused functionality relates to the physical construction of the devices' touch-sensitive displays, which use technologies such as AMOLED, OLED, and "Flexi-fluid AMOLED" for foldable screens Compl. ¶17 Compl. ¶18 The complaint alleges the OnePlus Open's foldable display is constructed with layers including "Ultra Thin Glass (UTG)" and various protective and functional films Compl. ¶26 Compl. ¶27 For other devices like the OnePlus 15, the complaint points to the use of "On-Cell technology," where the touch sensor is embedded within the display stack rather than being a separate laminated component Compl. ¶44 The diagram provided in the complaint shows the layer stack-up for the main screen of the OnePlus Open, identifying materials such as CPI, OCA, UTG, and CFRP Compl. p. 12

IV. Analysis of Infringement Allegations

'794 Patent Infringement Allegations

• Identified Points of Contention:
  • Scope Questions: A central question may be the construction of "laminated with." The patent specification explicitly states its invention avoids adhesives like OCA '794 Patent, col. 3:3-5 However, a diagram in the complaint illustrating the accused OnePlus Open's main screen explicitly labels an "OCA" (Optically Clear Adhesive) layer Compl. p. 12 The dispute may turn on whether "laminated with" as claimed can encompass adhesive bonding, or if the specification's disclaimer limits the claim scope to non-adhesive processes like the described coat-and-dry method.
  • Technical Questions: What evidence does the complaint provide that the accused device's glass layer is "laminated between" two distinct transparent covering layers as required by the claim? The provided diagrams show multiple layers, and the court will need to determine if they map onto the claimed structure as alleged.

'675 Patent Infringement Allegations

• Identified Points of Contention:
  • Scope Questions: The analysis will likely focus on the negative limitation "no other substrate...laminated or bonded." The key question is whether the layers that constitute the touch sensor in the accused "On-Cell" design qualify as another "substrate" that is "laminated or bonded." Plaintiff will likely argue the integrated nature of the sensor avoids this limitation, while Defendant may argue that the deposited layers effectively function as a laminated substrate. The complaint includes a diagram explaining that On-Cell technology involves "embedding the touch screen between the color filter substrate and the polarizer" Compl. p. 24
  • Technical Questions: What is the precise physical construction of the accused "On-Cell" display? The resolution of the case may depend on expert testimony regarding whether this construction method is functionally and structurally equivalent to bonding a separate, pre-formed substrate, which the patent appears designed to avoid.

V. Key Claim Terms for Construction

For the '794 Patent:

• The Term: "laminated with"
• Context and Importance: This term is critical because the patent's asserted novelty is the absence of an adhesive layer between the glass and the covering layers. The complaint, however, includes a diagram of the accused product that shows an "OCA" (adhesive) layer Compl. p. 12 The case may hinge on whether "laminated with" can be construed to include adhesive bonding.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The plain meaning of "laminate" can involve bonding layers together, which might not exclude adhesives.
  • Evidence for a Narrower Interpretation: The specification repeatedly distinguishes the invention from the prior art's use of adhesives, stating, "the transparent covering layer and the glass layer are not adhered to each other with adhesive (e.g., OCA)" '794 Patent, col. 3:3-5 The patent also describes a specific manufacturing method of "coating a polymer material layer on the glass layer" and then "drying the polymer material layer," which suggests a non-adhesive lamination process '794 Patent, col. 6:19-27

For the '675 Patent:

• The Term: "substrate"
• Context and Importance: The claim forbids "another substrate...laminated or bonded" onto the first. The infringement allegation rests on the idea that the accused "On-Cell" technology does not involve such a structure. Practitioners may focus on this term because the definition of what constitutes a "substrate" versus an integrated layer will be determinative.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The term "substrate" could be broadly interpreted to mean any distinct layer of material upon which another is formed, potentially bringing the deposited sensor layers of the accused device into the claim's scope.
  • Evidence for a Narrower Interpretation: The background of the patent discusses prior art where fully formed, separate touch panels (each with its own substrate) are laminated together '675 Patent, FIG. 6 '675 Patent, col. 1:19-30 This context suggests that "substrate" refers to a pre-existing, independent structural layer, not a series of deposited functional coatings, which may support the Plaintiff's infringement theory.

VI. Other Allegations

• Indirect Infringement: The complaint alleges induced infringement for all four patents. The basis for these allegations is that Defendant provides its products along with user manuals and other instructions that guide customers to use the devices in an infringing manner (e.g., by operating the touch screen) (Compl. ¶30; Compl. ¶31; Compl. ¶32; Compl. ¶33; Compl. ¶34). The complaint provides a screenshot of Defendant's website, which offers user manuals for download Compl. p. 20
• Willful Infringement: For each asserted patent, the complaint alleges Defendant had knowledge at least as of the filing of the complaint. It also pleads in the alternative that Defendant was "willfully blind" to its infringement by maintaining a policy of not reviewing the patents of others Compl. ¶31 Compl. ¶48 Compl. ¶65 Compl. ¶82

VII. Analyst's Conclusion: Key Questions for the Case

• A core issue will be one of claim scope and disavowal: Does the term "laminated with" in the '794 Patent, in light of the specification's explicit disclaimers of adhesives, preclude any form of adhesive bonding? The answer will determine if the presence of an alleged "OCA" layer in the accused OnePlus Open places the device outside the scope of the claim.
• A second central question will be one of structural definition: Can the integrated sensor layers in the accused "On-Cell" display technology be considered a separate "substrate...laminated or bonded" as prohibited by the negative limitation in claim 1 of the '675 Patent, or does this integrated manufacturing method fall outside the claim's scope?