DCT

1:18-cv-01350

Virtual Immersion Tech LLC v. Surecom Corp NV

Key Events
Complaint
complaint

I. Executive Summary and Procedural Information

  • Parties & Counsel:
  • Case Identification: 1:18-cv-01350, D. Del., 08/30/2018
  • Venue Allegations: Plaintiff alleges venue is proper in the District of Delaware because Defendant conducts substantial business, has minimum contacts, and commits acts of infringement within the district.
  • Core Dispute: Plaintiff alleges that Defendant’s Cam4 and Cam4 VR interactive streaming platforms infringe a patent related to multi-user interactive virtual reality systems.
  • Technical Context: The technology at issue involves systems designed to merge live video of performers with a computer-generated virtual environment, enabling remote users to interact with both the performer and the environment.
  • Key Procedural History: The complaint does not mention any prior litigation, Inter Partes Review (IPR) proceedings, or licensing history related to the patent-in-suit. The allegations of willful infringement and induced infringement are predicated on knowledge obtained from the filing of the instant complaint.

Case Timeline

Date Event
1999-07-19 '599 Patent Priority Date
2002-06-25 '599 Patent Issue Date
2018-08-30 Complaint Filing Date

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

U.S. Patent No. 6,409,599 - "Interactive Virtual Reality Performance Theater Entertainment System"

  • Issued: June 25, 2002

The Invention Explained

  • Problem Addressed: The patent describes a deficiency in prior art entertainment systems where virtual reality environments allowed participants to interact only with computer-generated objects, not live performers. Conversely, systems that did feature live performers were often non-immersive and lacked robust, multi-way communication channels between performers, participants, and the environment itself (’599 Patent, col. 2:1-28).
  • The Patented Solution: The invention claims to solve this by creating a system for "three-way immersive interactive communication" that links participants, one or more live performers, and a shared virtual environment (’599 Patent, col. 2:55-59). The system superimposes a live video feed of a performer into a graphical environment viewed by the participants. Participants can then interact with the performer and the environment using input devices, thereby influencing the "content and the ultimate outcome of the performance" (’599 Patent, col. 3:29-33, Fig. 1).
  • Technical Importance: The patent purports to provide a technical framework for merging the spontaneity of live performance with the interactivity of a shared virtual space, moving beyond passive video consumption or isolated single-player VR experiences (’599 Patent, col. 3:11-22).

Key Claims at a Glance

  • The complaint asserts independent claims 1, 8, and 9, and dependent claim 2.
  • Independent Claim 1 (System) includes these essential elements:
    • An "immersive virtual reality environment".
    • At least one "performer input device" and "performer output device".
    • At least one "participant input device" and "participant output device".
    • The environment includes a "live or prerecorded video image" of a live performer and "audio communication" between the performer and participant.
    • A participant interacts with the performer and environment, resulting in an "experience which is in part controlled by" the participant's input device.
  • Independent Claim 8 (System) includes elements similar to Claim 1 but adds:
    • A "processing device", "system data", "output data", and a "network".
    • The network connects the various devices to transmit data.
    • The network connects the environment and participant devices "across the Internet".
  • Independent Claim 9 (Method) includes these essential steps:
    • "providing an immersive virtual reality environment".
    • "providing" performer and participant "input and output devices".
    • "having the live performer interact with the participant" by including a "live or prerecorded image" and "audio communication".
    • "having the participant interact with the live performer", producing an experience "controlled by the participant" and their input device.

III. The Accused Instrumentality

Product Identification

  • The complaint identifies the "Accused Instrumentalities" as Defendant's "interactive, real time, virtual reality system," which includes the website https://www.cam4.com, the mobile application "CAM4 VR," and related systems and software (Compl. ¶47).

Functionality and Market Context

  • The complaint alleges the accused system allows participants and live performers to "interact with each other and the environment via input and output devices" (Compl. ¶7). This system allegedly provides an "immersive virtual reality environment" that includes a video image of live performers and audio communication, where participants can use an input device to interact with and partially control the experience (Compl. ¶¶49-52). The complaint further alleges that Defendant has "derived substantial revenues from its infringing acts" (Compl. ¶11).

IV. Analysis of Infringement Allegations

No probative visual evidence provided in complaint.

'599 Patent Infringement Allegations (Claim 1)

Claim Element (from Independent Claim 1) Alleged Infringing Functionality Complaint Citation Patent Citation
an immersive virtual reality environment Defendant's Cam4 system provides a virtual reality system via cam4.com for participants and performers, which includes an immersive reality environment. ¶49 col. 4:61-63
at least one performer input device... and... at least one participant input device in electronic communication with said immersive virtual reality environment The Cam4 system includes one or more performer input and output devices and one or more participant input and output devices in electronic communication with the virtual environment. ¶50 col. 16:9-16
wherein said immersive virtual reality environment includes a live or prerecorded video image of said at least one live performer with audio communication between one or more live performers and one or more participants The Cam4 system provides a virtual environment that includes a video image of one or more live performers with audio communication between the performers and participants. ¶51 col. 16:26-34
wherein one or more participants interacts with one or more live performers and the virtual environment resulting in an experience partially controlled by one or more participants using an input device In the Cam4 system, participants interact with live performers and the virtual environment, resulting in an experience partially controlled by the participants using an input device. ¶52 col. 16:35-39

'599 Patent Infringement Allegations (Claim 9)

Claim Element (from Independent Claim 9) Alleged Infringing Functionality Complaint Citation Patent Citation
providing an immersive virtual reality environment Cam4 provides a method that includes providing an immersive virtual reality environment. ¶58 col. 18:65
providing performer and participant input and output devices in communication with the immersive virtual reality environment The accused method includes providing performer and participant input and output devices in communication with the environment. ¶58 col. 19:1-10
having the live performer interact with the participant... by including a live or prerecorded image... and audio communication The method includes having the live performer interact with the participant by including a live or prerecorded image and audio communication between them. ¶58 col. 19:11-20
having the participant interact with the live performer producing an experience controlled by the participant and participant input device The method includes having the participant interact with the performer, which produces an experience controlled by the participant's input device. ¶58 col. 20:7-10

Identified Points of Contention

  • Scope Questions: The patent defines an "immersive" environment with specific quantitative parameters (e.g., "> 25 degree diagonal field of view no more than 10 feet from the viewer") or through use of a head-mounted display (’599 Patent, col. 6:40-48). The complaint alleges the cam4.com website and mobile app are "immersive" (Compl. ¶49). This raises the question of whether use of the accused products on standard consumer screens meets the patent's specific definition of "immersive."
  • Technical Questions: The claims require participant input to result in an "experience... controlled by" the participant (’599 Patent, col. 16:37-39). The complaint alleges this occurs (Compl. ¶52), but does not specify the mechanism of control. A factual question for the court will be whether the user interactions available on the Cam4 platform (e.g., text chat, tipping) rise to the level of "control" over the content and outcome of the performance as described in the patent specification.

V. Key Claim Terms for Construction

The Term: "immersive virtual reality environment"

  • Context and Importance: This term is a foundational element of the asserted independent claims. The infringement analysis will depend heavily on whether the accused website and mobile application can be considered "immersive" as the patent defines it.
  • Intrinsic Evidence for a Broader Interpretation: The specification suggests that immersion is not strictly limited to specialized hardware, stating that "specific proximity to a non-head mounted display, such as a monitor at eye level, can create a similar immersive environment" (’599 Patent, col. 5:1-3).
  • Intrinsic Evidence for a Narrower Interpretation: The patent provides a specific, technical definition: "one in which a greater than 25 degree diagonal field of view is provided no more than 10 feet from the viewer," and provides a calculated example for a 14-inch screen (’599 Patent, col. 6:40-48, Fig. 2). This quantitative definition may support a narrower construction that excludes typical viewing of a website on a phone or desktop.

The Term: "experience which is in part controlled by said at least one participant"

  • Context and Importance: This phrase defines the required level of interactivity. The dispute may center on whether the user actions enabled by the Cam4 platform constitute "control" in the patented sense.
  • Intrinsic Evidence for a Broader Interpretation: The patent describes control being exerted through simple input devices like a keypad to answer questions or express opinions, which could be argued to encompass a wide range of user inputs (’599 Patent, col. 4:22-30).
  • Intrinsic Evidence for a Narrower Interpretation: The specification describes a system where "Participant responses can then dictate the further content and eventually the outcome of the performance" and includes a software flow diagram showing branching narrative paths based on user input (’599 Patent, col. 4:30-35, Fig. 8). This may support a construction requiring that participant input must be capable of altering the logical progression or narrative of the performance itself.

VI. Other Allegations

Indirect Infringement

  • The complaint alleges induced infringement under 35 U.S.C. § 271(b), asserting that Defendant, with knowledge from the complaint, provides its platform along with "instruction materials, training, and services" that encourage and enable its partners and customers to infringe (Compl. ¶¶61-62). It also alleges contributory infringement under § 271(c), asserting the accused software is especially made or adapted for infringement and is not a staple article of commerce (Compl. ¶67).

Willful Infringement

  • The willfulness claim is based on alleged continued infringement after Defendant received notice of the ’599 patent and its alleged infringement through the service of the complaint (Compl. ¶69).

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

  • A core issue will be one of definitional scope: can the term "immersive virtual reality environment," which the patent defines with specific viewing angles and distances or the use of a head-mounted display, be construed to cover the accused Cam4 website and mobile application as typically viewed on standard consumer devices?
  • A key evidentiary question will concern the nature of functional control: do the types of participant interactions facilitated by the Cam4 platform constitute "control" over the "content and outcome of the performance" as required by the claims, or does the patent demand a more structured, narrative-altering form of influence?
  • A third question will relate to the partitioning of the system: the claims recite a system with distinct performer and participant "input and output devices." The case may explore whether the software and hardware components of the distributed Cam4 platform can be mapped onto these specific claimed elements for both direct and indirect infringement analyses.