VDPP LLC v. Intuitive Surgical Inc

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: VDPP, LLC (Oregon)
  • Defendant: Intuitive Surgical, Inc. (Delaware)
  • Plaintiff’s Counsel: Poulin Willey Anastopoulo, LLC; Ramey LLP
• Case Identification: 1:26-cv-00903, N.D. Ga., 02/16/2026
• Venue Allegations: Venue is alleged based on Defendant’s regular and established place of business within the Northern District of Georgia and alleged acts of infringement occurring in the district.
• Core Dispute: Plaintiff alleges that Defendant’s systems for image capture, modification, and display infringe two patents related to methods for creating stereoscopic (3D) visual effects and the spectacles used to view them.
• Technical Context: The technology at issue concerns the generation of 3D visual illusions from 2D video content, a field relevant to medical imaging, surgical systems, and consumer entertainment.
• Key Procedural History: The complaint states that Plaintiff is a non-practicing entity and discloses that its predecessors have entered into settlement licenses with other entities, which it argues obviates patent marking requirements. Notably, U.S. Patent No. 9,699,444 underwent ex parte reexamination, resulting in the issuance of a certificate on December 11, 2024, that canceled claims 26-27, both of which are asserted in the complaint.

Case Timeline

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"

The Invention Explained

• Problem Addressed: The patent’s background section identifies the "slow transition time" of electronically controlled variable tint materials used in spectacles for creating 3D effects ’444 Patent, col. 2:28-32 It also notes that some of these materials may have a limited "‘cycle life’ (number of clear-dark cycles before failure)" ’444 Patent, col. 2:61-63
• The Patented Solution: The invention proposes fabricating the spectacle lenses from "multiple layers" or "multi-layers" of electronically controlled variable tint material ’444 Patent, col. 2:54-58 This multi-layer construction is intended to achieve faster transition times between different optical densities (e.g., clear and dark states) than is possible with a single layer, and may also increase the operational lifespan of the lenses ’444 Patent, col. 2:54-67 ’444 Patent, abstract
• Technical Importance: The described solution aims to improve the performance and durability of active filter spectacles used to generate 3D visual illusions from 2D motion pictures, thereby enhancing the viewer experience. ’444 Patent, col. 2:44-59

Key Claims at a Glance

• The complaint asserts independent claim 1 and dependent claims 2-27 Compl. ¶9
• 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, comprising a left and right lens, each having a plurality of states, where the state of the left lens is independent of the state of the right lens; and
  • a control unit housed in the frame, adapted to control the state of each lens independently.
• The complaint reserves the right to assert additional claims and infringement under the doctrine of equivalents Compl. ¶9

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"

The Invention Explained

• Problem Addressed: The patent describes methods for creating visual illusions of continuous movement from a finite number of still pictures, a process referred to as "Eternalizing" ’874 Patent, col. 4:35-62 The complaint states the patent is directed to capturing, storing, modifying, and blending image frames to generate a combined display frame Compl. ¶13
• The Patented Solution: The invention, as described in the abstract, involves a system that acquires a 2D source video, obtains an image frame containing motion vectors, calculates parameters such as lateral speed and direction, generates a "deformation value," and applies it to create a "modified image frame." This modified frame is then blended with a separate "bridge frame" to produce the final blended frame for display ’874 Patent, abstract This process creates the appearance of sustained directional movement from limited source images ’874 Patent, col. 4:35-41
• Technical Importance: The patent discloses a method for digitally processing a standard 2D video stream to generate content that can be perceived as 3D, focusing on the manipulation of the video frames themselves.

Key Claims at a Glance

• The complaint asserts independent claim 1 and dependent claims 2-4 Compl. ¶14
• The essential elements of independent claim 1 include a method for generating and displaying modified video, comprising the steps of:
  • Acquiring a source video.
  • Obtaining a first image frame.
  • Generating a modified image frame by performing one of three specific actions: (i) expanding the frame, (ii) removing a portion of the frame, or (iii) stitching the frame with a portion of a second frame.
  • Generating first and second "altered image frames" that include specified "non-overlapping portions" derived from the modified image frame.
• The complaint reserves the right to assert infringement under the doctrine of equivalents Compl. ¶14

III. The Accused Instrumentality

Product Identification

The complaint does not identify any specific products, services, or systems by name Compl. ¶¶9, 14 It broadly accuses "systems, products, and services in the field of image capture, streaming, modification and displaying" that are maintained, operated, or administered by Defendant Intuitive Surgical, Inc. Compl. ¶9

Functionality and Market Context

The complaint alleges that the accused instrumentalities perform functions related to image capture and modification Compl. ¶¶9, 14 Intuitive Surgical is known for its da Vinci Surgical Systems, which utilize advanced 3D high-definition vision systems to provide surgeons with immersive views of the surgical field. The complaint, however, does not provide any specific technical details about how any of Defendant's products operate or their position in the market.

IV. Analysis of Infringement Allegations

The complaint states that support for its infringement allegations is contained in "preliminary exemplary table[s]" attached as Exhibits B and D Compl. ¶10 Compl. ¶15 As these exhibits were not provided with the complaint, a detailed claim-chart summary cannot be constructed.

The narrative infringement theory for both the ’444 Patent and the ’874 Patent is direct infringement through Defendant's use of the accused systems Compl. ¶9 Compl. ¶14 The complaint alleges that Defendant "put the inventions claimed by the [Patents-in-Suit] into service (i.e., used them)" Compl. ¶9 Compl. ¶14

No probative visual evidence provided in complaint.

Identified Points of Contention

• Pleading Sufficiency: A central issue may be whether the complaint's failure to identify any specific accused products and map their functionality to the asserted claims meets the plausibility standard for patent infringement pleadings established by the Supreme Court in Bell Atlantic Corp. v. Twombly and Ashcroft v. Iqbal.
• Scope Questions (’444 Patent): The infringement analysis may turn on whether a surgical viewing console, which is integrated into a larger medical system, can be construed as an "electrically controlled spectacle" as recited in claim 1 of the ’444 Patent.
• Technical Questions (’874 Patent): A key factual question will be whether Defendant’s imaging systems perform the highly specific image manipulation steps required by claim 1 of the ’874 Patent, such as generating "altered image frames" with "non-overlapping portions" through "expanding," "removing," or "stitching" frames. The patent describes these techniques in the context of creating artistic visual effects, which raises the question of whether they are practiced by a medical imaging system.
• Impact of Reexamination: Plaintiff’s assertion of claims 26-27 of the ’444 Patent Compl. ¶9 appears to be moot, as a reexamination certificate indicates these claims were canceled prior to the filing of the complaint.

V. Key Claim Terms for Construction

The Term: "spectacle" (’444 Patent, claim 1)

Context and Importance

The definition of "spectacle" is critical because the accused instrumentality is presumably a component of a surgical system, not a pair of eyeglasses worn by a consumer. Whether infringement can be established may depend on whether this term is construed broadly to cover any stereoscopic viewing device or narrowly to mean only wearable eyewear. Practitioners may focus on this term because of the potential categorical mismatch between the claimed invention and the accused technology.

Intrinsic Evidence for Interpretation

• Evidence for a Broader Interpretation: The patent does not provide an explicit definition for "spectacle." A party might argue that in the context of the invention, the term should be understood functionally as any apparatus that provides a stereoscopic viewing experience.
• Evidence for a Narrower Interpretation: The patent’s figures, such as Figure 1, exclusively depict devices with the form factor of conventional eyeglasses ’444 Patent, Fig. 1 The abstract likewise refers to a "spectacle frame and optoelectronic lenses housed in the frame," language that strongly suggests a wearable device ’444 Patent, abstract

The Term: "generating a modified image frame by performing one of: (i) expanding the first image frame; (ii) removing a first portion of the first image frame; and (iii) stitching together the first image frame with a second portion of a second image frame" (’874 Patent, claim 1)

Context and Importance

This phrase defines the specific technical actions that constitute the core of the claimed method. Infringement requires evidence that an accused system performs at least one of these three enumerated image-manipulation functions. The dispute will likely center on whether standard image processing techniques (e.g., digital zoom, cropping) meet these specific claim limitations.

Intrinsic Evidence for Interpretation

• Evidence for a Broader Interpretation: A party could argue that these terms should be given their plain and ordinary meaning in the field of digital image processing, potentially encompassing common functions like digital zoom ("expanding") or cropping ("removing a portion").
• Evidence for a Narrower Interpretation: The specification heavily describes these techniques in the context of creating a specific visual illusion called "Eternalism," which involves creating "seamless and sustained directional movement" from a limited set of images ’874 Patent, col. 4:35-51 A party may argue that the claim terms should be limited to these specific artistic applications, rather than covering general-purpose image processing.

VI. Other Allegations

Willful Infringement

The complaint does not allege facts supporting pre-suit knowledge of the patents-in-suit. It includes a conditional prayer for a finding of willfulness and treble damages "provided discovery reveals that Defendant (1) knew of the patent-in-suit prior to the filing date of the lawsuit" Compl., Prayer for Relief ¶e This suggests the allegation is included to preserve the claim pending discovery, rather than being based on existing facts.

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

1. Pleading Sufficiency: A threshold procedural question will be whether the complaint provides sufficient factual detail to state a plausible claim for relief, given its failure to identify any accused product by name or describe how any specific functionality infringes the asserted patent claims.
2. Definitional Scope: A core claim construction issue for the ’444 Patent will be one of definitional scope: can the term "spectacle," which is described and depicted in the context of wearable eyewear, be construed to cover an integrated viewing console of a robotic surgical system?
3. Functional Equivalence: A key evidentiary question for the ’874 Patent will be one of functional equivalence: do Defendant's surgical imaging systems perform the specific, multi-step image modification process required by Claim 1 (e.g., "stitching," creating "non-overlapping portions"), or is there a fundamental mismatch between the patent’s disclosure of artistic video effects and the technical operation of a medical device?