2:25-cv-00178
VDPP LLC v. Siemens Medical Solutions USA Inc
I. Executive Summary and Procedural Information
- Parties & Counsel:
- Plaintiff: VDPP, LLC (Oregon)
- Defendant: Siemens Medical Solutions USA, Inc. (Delaware)
- Plaintiff’s Counsel: Garibian Law Offices, P.C.
- Case Identification: 2:25-cv-00178, E.D. Pa., 01/10/2025
- Venue Allegations: Plaintiff alleges venue is proper in the Eastern District of Pennsylvania because Defendant maintains a regular and established place of business in the district and has allegedly committed acts of infringement there.
- Core Dispute: Plaintiff alleges that Defendant’s image capture, modification, and display systems and services infringe two patents related to methods for creating 3D visual effects from 2D video and for processing video frames.
- Technical Context: The technology at issue involves creating stereoscopic 3D illusions from standard 2D video content, primarily through the use of electronically controlled variable-tint spectacles and associated video processing methods.
- Key Procedural History: The complaint notes that Plaintiff has previously entered into settlement licenses with other entities, characterizing them as agreements to terminate litigation rather than licenses to produce patented articles. Additionally, a post-grant ex parte reexamination of U.S. Patent No. 9,699,444 resulted in the cancellation of claims 26-27 in December 2024; the complaint, filed in January 2025, asserts claims 1-27 of that patent.
Case Timeline
| Date | Event |
|---|---|
| 2001-01-23 | Earliest Priority Date for ’444 and ’874 Patents |
| 2017-07-04 | U.S. Patent No. 9,699,444 Issued |
| 2017-07-25 | U.S. Patent No. 9,716,874 Issued |
| 2023-06-05 | Ex Parte Reexamination of ’444 Patent Requested |
| 2024-12-11 | Reexamination Certificate for ’444 Patent Issued (Claims 26-27 Canceled) |
| 2025-01-10 | Complaint Filed |
II. Technology and Patent(s)-in-Suit Analysis
U.S. Patent No. 9,699,444 - "Faster state transitioning for continuous adjustable 3deeps filter spectacles using multi-layered variable tint materials," issued July 4, 2017
The Invention Explained
- Problem Addressed: The patent’s background section describes technical limitations in electronically controlled spectacles used for 3D viewing, such as the slow time it takes for variable tint lenses to transition between light and dark states ("transition time") and the limited operational lifespan of the materials before failure ("cycle life") (ʼ444 Patent, col. 2:27-32, 61-64).
- The Patented Solution: The invention proposes fabricating the spectacle lenses from multiple layers of electronically controlled variable tint materials. This multi-layer construction is intended to achieve faster overall transition times, as the total required change in optical density is distributed across several layers, each making a smaller, quicker adjustment. This approach may also increase the "cycle life" by reducing the duration of electrical potential applied to any single layer to achieve a target optical density (ʼ444 Patent, col. 2:53-67; FIG. 6b).
- Technical Importance: This approach aimed to improve the performance and durability of active 3D viewing spectacles, which could lead to a smoother, more responsive user experience and a longer product lifespan (ʼ444 Patent, col. 2:48-58).
Key Claims at a Glance
- The complaint asserts independent claim 1 and dependent claims 2-27 (Compl. ¶8).
- The essential elements of independent claim 1 include:
- An electrically controlled spectacle for viewing a video
- comprising a spectacle frame
- optoelectronic lenses housed in the frame, including a left and right lens, each with a plurality of states independent from the other lens
- a control unit in the frame adapted to control the state of each lens independently
- wherein each optoelectronic lens comprises a plurality of layers of optoelectronic material
- The complaint reserves the right to assert other claims (Compl. ¶8).
U.S. Patent No. 9,716,874 - "Continuous Adjustable 3Deeps Filter Spectacles for Optimized 3Deeps Stereoscopic Viewing, Control Method and Means therefore, and System and Method of Generating and Displaying a Modified Video," issued July 25, 2017
The Invention Explained
- Problem Addressed: The patent addresses the challenge of creating a convincing 3D visual effect from standard 2D video content (known as the Pulfrich illusion). It notes that using a simple fixed-density filter over one eye is suboptimal because the ideal level of tinting required to create the illusion depends on variables like the speed of motion in the video and ambient lighting conditions (ʼ874 Patent, col. 2:1-14).
- The Patented Solution: The invention describes a system and method for analyzing video frames to extract motion vectors, calculating parameters such as lateral speed and direction, and then using this data to generate a modified video for display. The complaint alleges the patent is directed to a method that includes capturing and modifying image frames, blending them based on an "identified bridge frame," and generating a combined frame for display (Compl. ¶12; ’874 Patent, Abstract). The claims focus on specific methods of generating modified and altered image frames by expanding, stitching, or removing portions of frames to create visual effects (ʼ874 Patent, col. 72:3-23).
- Technical Importance: The technology provided a method for processing standard 2D video to generate content intended to produce a more dynamic and optimized 3D stereoscopic effect when viewed, moving beyond static filtering techniques (ʼ874 Patent, col. 46:50-58).
Key Claims at a Glance
- The complaint asserts independent claim 1 and dependent claims 2-4 (Compl. ¶13).
- The essential elements of independent claim 1, a method, include:
- acquiring a source video with a sequence of image frames
- obtaining a first image frame
- generating a modified image frame by one of three actions: (i) expanding the first image frame; (ii) removing a portion of it; or (iii) stitching it with a portion of a second image frame
- generating a first altered image frame that includes specific first and second non-overlapping portions
- generating a second altered image frame that includes specific third and fourth non-overlapping portions
- The complaint reserves the right to assert other claims (Compl. ¶13).
III. The Accused Instrumentality
Product Identification
- The complaint does not identify any specific accused products by name. It broadly accuses Defendant's "systems, products, and services in the field of image image capture, streaming, modification and displaying" of infringing the ’444 Patent and "systems, products, and services in the field of image capture and modification" of infringing the ’874 Patent (Compl. ¶¶8, 13).
Functionality and Market Context
- The complaint does not provide sufficient detail for analysis of the accused instrumentality's specific functionality or market context. It makes only conclusory allegations that Defendant "maintains, operates, and administers" systems that perform infringing processes (Compl. ¶¶8, 13).
No probative visual evidence provided in complaint.
IV. Analysis of Infringement Allegations
The complaint references "preliminary exemplary table[s]" (Exhibits B and D) that purportedly support its infringement allegations, but these exhibits were not filed with the complaint (Compl. ¶¶9, 14). The analysis below is therefore based solely on the narrative allegations.
’444 Patent Infringement Allegations: The complaint alleges that Defendant's "systems, products, and services" infringe claims directed to an "electrically controlled spectacle" (Compl. ¶8; ’444 Patent, cl. 1). The complaint does not explain how a system for image capture and display can meet the limitations of a claim reciting physical eyewear. This raises a fundamental question about the plaintiff's infringement theory, suggesting it may rely on a non-literal interpretation of the claim terms or an unstated theory of indirect infringement. The complaint asserts infringement of claims 1-27, which includes claims 26 and 27 that were canceled during ex parte reexamination, raising questions about the scope of the pre-suit investigation (Compl. ¶8; ’444 Patent Reexam. Cert.).
’874 Patent Infringement Allegations: The complaint alleges that Defendant's systems infringe method claims for generating and displaying modified video (Compl. ¶¶12-13). The narrative theory is that Defendant's systems perform steps of capturing, modifying, blending, and generating image frames for display (Compl. ¶12). This theory aligns more directly with the subject matter of the asserted method claims than the allegations for the ’444 patent. However, the complaint provides no technical facts detailing how any accused system performs the specific steps of generating "modified" and "altered" image frames as recited in claim 1.
Identified Points of Contention:
- Scope Questions: The core dispute for the ’444 Patent will likely concern claim scope. A central question is whether the term "electrically controlled spectacle", consistently described in the patent as physical eyewear, can be construed to read on Defendant’s alleged software and hardware "systems" for image processing and display.
- Technical Questions: For the ’874 Patent, the dispute may focus on the technical operation of the accused systems. A key question will be whether the processes used in Defendant's systems perform the specific, multi-step method of claim 1, including the generation of frames with "non-overlapping portions" derived from "modified" source frames created by expansion, removal of a portion, or stitching.
V. Key Claim Terms for Construction
Term: "electrically controlled spectacle" (’444 Patent, Claim 1)
Context and Importance
- This term is the preamble and central structural element of claim 1. The viability of the infringement case for the ’444 Patent appears to depend entirely on construing this term broadly enough to cover Defendant’s "systems, products, and services."
Intrinsic Evidence for Interpretation
- Evidence for a Broader Interpretation: The complaint provides no basis for a broader interpretation from the patent itself. A party might be forced to argue that the novelty lies in the electronic control of multi-layer lenses for a 3D effect, and that the "spectacle" is merely the intended environment.
- Evidence for a Narrower Interpretation: The patent specification provides substantial evidence for a narrow construction limited to eyewear. The abstract explicitly describes a "spectacle frame and optoelectronic lenses housed in the frame," and FIG. 1 provides a detailed illustration of a physical pair of glasses (100) (’444 Patent, Abstract; FIG. 1). The plain and ordinary meaning of "spectacle" is eyeglasses.
Term: "generating a modified image frame" (’874 Patent, Claim 1)
Context and Importance
- Claim 1 requires this step to be performed by one of three specific actions: "expanding," "removing a first portion," or "stitching." The infringement analysis will turn on whether Defendant's accused processes, if any, for altering images fall within the scope of these defined actions.
Intrinsic Evidence for Interpretation
- Evidence for a Broader Interpretation: A party could argue that these terms should be interpreted broadly to cover common image manipulation functions like digital zooming, cropping, or image composition, citing specification passages that discuss blending and superimposing images generally (’874 Patent, col. 5:41-47).
- Evidence for a Narrower Interpretation: A party would likely argue that the claim's use of three specific, distinct verbs requires that they be given their precise technical meanings, excluding other forms of modification. The specification links these techniques to creating a specific visual effect, which may support a narrower construction tied to that context (’874 Patent, col. 4:55-60).
VI. Other Allegations
Indirect Infringement
- The complaint does not contain a formal count for indirect infringement. However, its allegation that "but for Defendant's actions, the claimed-inventions embodiments involving Defendant's products and services would never have been put into service" could suggest an unpleaded theory of induced or contributory infringement, particularly for the ’444 Patent (Compl. ¶8).
Willful Infringement
- Plaintiff requests a finding of willful infringement and treble damages in its prayer for relief (Compl. p. 7, ¶e). The complaint does not, however, plead any specific facts to support this allegation, such as Defendant’s pre-suit knowledge of the patents-in-suit.
VII. Analyst’s Conclusion: Key Questions for the Case
- A core issue will be one of definitional scope: can the term "electrically controlled spectacle" from the ’444 Patent, which the specification depicts as physical eyewear, be construed to read on Defendant’s allegedly infringing software-based "systems, products, and services"? The outcome of this question may be dispositive for the infringement allegations concerning that patent.
- A central evidentiary question will be one of technical specificity: given the complaint's lack of technical detail, what facts will emerge to show that Defendant's accused systems perform the highly specific, multi-step image modification method recited in Claim 1 of the ’874 Patent?
- A key procedural question is raised by Plaintiff's assertion of claims from the ’444 Patent that were canceled during a recent ex parte reexamination. This raises the possibility of early motion practice regarding the sufficiency of the pre-suit investigation and the proper scope of the asserted claims.