DCT

3:24-cv-01672

VDPP LLC v. Motorola Mobility LLC

Key Events
Complaint
complaint

I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 5:24-cv-01672, N.D. Cal., 03/18/2024
  • Venue Allegations: Plaintiff alleges venue is proper in the Northern District of California because Defendant maintains a regular and established place of business in Sunnyvale, CA and has committed alleged acts of infringement within the district.
  • Core Dispute: Plaintiff alleges that Defendant’s systems, products, and services for motion pictures infringe a patent related to electrically controlled spectacles that create a three-dimensional viewing effect from two-dimensional content.
  • Technical Context: The technology at issue involves using active eyewear with electronically variable tint lenses to generate a 3D visual effect, known as the Pulfrich illusion, from standard 2D video that contains lateral motion.
  • Key Procedural History: The asserted patent has a complex prosecution history with an earliest priority date in 2001. Notably, a request for ex parte reexamination of the patent was filed on the same day as the complaint. A subsequent reexamination certificate confirmed the patentability of asserted claims 2 and 4, while claims 1 and 3 were not part of the reexamination. The complaint identifies the Plaintiff as a non-practicing entity.

Case Timeline

Date Event
2001-01-23 '452 Patent Earliest Priority Date
2016-08-23 '452 Patent Issue Date
2024-03-18 Complaint Filing Date
2024-03-18 Request for Ex Parte Reexamination of '452 Patent
2025-04-04 '452 Patent Reexamination Certificate Issued

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

U.S. Patent No. 9,426,452 - "Faster State Transitioning for Continuous Adjustable 3Deeps Filter Spectacles Using Multi-Layered Variable Tint Materials"

  • Patent Identification: U.S. Patent No. 9,426,452, "Faster State Transitioning for Continuous Adjustable 3Deeps Filter Spectacles Using Multi-Layered Variable Tint Materials," issued August 23, 2016.

The Invention Explained

  • Problem Addressed: The patent seeks to improve methods of generating a 3D visual from 2D content via the Pulfrich illusion. It identifies a key technical challenge: electronically controlled variable tint materials used in active eyewear often have a "slow transition time," meaning they cannot change their darkness fast enough to synchronize with rapid scene changes or motion in a video, which degrades the 3D effect ('452 Patent, col. 2:25-44).
  • The Patented Solution: The invention proposes an "electrically controlled spectacle" featuring a control unit and lenses made of one or more layers of variable tint materials ('452 Patent, Abstract). By using "multiple layers of optoelectronic materials," the spectacles can achieve faster transition times between light and dark states compared to a single-layer lens ('452 Patent, col. 2:48-55). This allows the lens states to be more effectively synchronized with on-screen motion, thereby creating an optimized and more robust 3D illusion ('452 Patent, FIG. 7).
  • Technical Importance: The technology aimed to enhance the quality and viability of Pulfrich-based 3D viewing for standard 2D content by addressing the physical limitations of the lens materials themselves, making the effect more adaptable to diverse video content and viewing environments ('452 Patent, col. 14:15-24).

Key Claims at a Glance

  • The complaint asserts independent claims 1 and 2.
  • Independent Claim 1 recites a system for presenting a video, including:
    • An apparatus with a processor adapted to "reshape a portion of at least one of the one or more image frames."
    • An electrically controlled spectacle with a frame, a control unit, and "optoelectronic lenses" for the left and right eyes.
    • The state of the left lens is "independent of the state of the right lens," and the control unit is adapted to control them independently.
    • The control unit is capable of placing "both the left lens and the right lens to a dark state."
  • Independent Claim 2 recites an apparatus with a processor adapted to perform a series of image processing steps, including:
    • Obtaining a first image from a first video stream and a different second image from a second video stream.
    • "stitch[ing] together the first image and the second image to generate a stitched image frame."
    • Generating "modified image frame[s]" by removing portions of the stitched image frame.
    • Identifying a "bridge frame."
    • "blend[ing]" the modified image frames with the bridge frame to generate blended image frames.
  • The complaint also asserts dependent claims 3 and 4 and reserves the right to assert additional claims ('452 Patent, cl. 1-4; Compl. ¶10).

III. The Accused Instrumentality

Product Identification

The complaint does not identify any accused product, method, or service by a specific name (Compl. ¶¶10-12).

Functionality and Market Context

The complaint alleges that Defendant "maintains, operates, and administers systems, products, and services in the field of motion pictures" that infringe the '452 Patent (Compl. ¶10). It abstractly refers to the accused instrumentality as "a system related to an electrically controlled spectacle frame and optoelectronmic lenses housed in the frame" (Compl. ¶11).

The complaint does not provide sufficient detail for analysis of the accused instrumentality's specific functionality or market context.

No probative visual evidence provided in complaint.

IV. Analysis of Infringement Allegations

The complaint references a claim chart in "Exhibit B" that was not included in the provided filing; therefore, a detailed claim chart summary cannot be constructed. The narrative infringement theory alleges that Defendant’s unspecified products and services directly infringe, induce infringement, and contributorily infringe claims 1-4 of the '452 Patent (Compl. ¶¶10-12). The basis for these allegations is presented as a general statement that Defendant's systems embody the claimed inventions, supported by the unprovided exhibit (Compl. ¶11).

  • Identified Points of Contention:
    • Technical Questions: Given the lack of specific allegations, a fundamental question is evidentiary: What specific Motorola products are alleged to practice the video processing steps of claims 1 and 2, and do these systems incorporate the "electrically controlled spectacle" with independently controllable lenses as required? The complaint raises the question of whether its allegations have a concrete factual basis in any of Defendant's commercial offerings.
    • Scope Questions: The case may turn on whether Motorola's systems, broadly categorized as being "in the field of motion pictures," can be shown to perform the specific image manipulation steps recited in the claims (e.g., "reshape," "stitch," "blend"). The absence of detail in the complaint suggests a potential mismatch between the highly specific processing and hardware limitations of the claims and the functionality of any accused products.

V. Key Claim Terms for Construction

  • Term: "optoelectronic lenses" (Claim 1)

    • Context and Importance: This term is foundational to the claimed hardware. Its definition will determine which types of display or lens technologies (e.g., LCD, electrochromic, OLED) are covered by the patent, directly impacting the scope of potential infringement.
    • Intrinsic Evidence for Interpretation:
      • Evidence for a Broader Interpretation: The specification suggests the term is not limited to a single technology, explicitly listing "electrochromic devices, suspended particle devices, and polymer dispersed liquid crystal devices" as examples of "electronically controlled variable tint materials" ('452 Patent, col. 1:63-2:2). This language may support an interpretation covering any lens whose light transmission is electronically controllable.
      • Evidence for a Narrower Interpretation: The detailed description and preferred embodiments focus heavily on "electrochromic" technology, providing specific seven-layer structural diagrams ('452 Patent, FIG. 2b; col. 22:1-24). A party may argue that the invention is effectively centered on, if not limited to, the specific redox-based electrochromic materials described.
  • Term: "reshape a portion of . . . image frames" (Claim 1)

    • Context and Importance: This term defines a key processing step in Claim 1, which was not subject to the recent reexamination. Its construction will be critical to determining infringement of that claim. Practitioners may focus on this term because its meaning is not explicitly defined and could be subject to competing interpretations.
    • Intrinsic Evidence for Interpretation:
      • Evidence for a Broader Interpretation: The patent discusses related concepts of image manipulation, such as superimposing or offsetting images to create visual effects, which could be argued to fall under a broad definition of "reshape" ('452 Patent, col. 5:26-30).
      • Evidence for a Narrower Interpretation: The plain language of the term suggests a change to the geometric form or outline of an object within the frame. A defendant could argue that this requires more than simple repositioning or blending, but an actual alteration of a pictured object's shape, potentially narrowing the claim's applicability to specific video editing techniques.

VI. Other Allegations

  • Indirect Infringement: The complaint alleges inducement by asserting that Defendant has "actively encouraged or instructed others (e.g., its customers and/or the customers of its related companies)" on how to use its products and services in a manner that infringes the '452 patent (Compl. ¶11). A conclusory allegation of contributory infringement is also made (Compl. ¶12).
  • Willful Infringement: Willfulness allegations are based on knowledge of the '452 patent "from at least the filing date of the lawsuit" (Compl. ¶¶11-12), establishing a basis for potential post-suit willful infringement.

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

  • A primary issue for the court will be evidentiary: Can the Plaintiff produce evidence linking the abstract allegations in the complaint to specific, commercially available Motorola products that perform the image processing ("reshape," "stitch," "blend") and incorporate the "electrically controlled spectacle" hardware required by the asserted claims?
  • A key legal question will be one of claim scope and validity: How will the court construe the term "reshape a portion of... image frames" in Claim 1, which did not undergo reexamination? The recent confirmation of claims 2 and 4 in reexamination strengthens their presumption of validity and may shift the focus of the dispute to whether any accused products actually practice the complex multi-step processing recited therein.