DISH Tech LLC v. Blaze Media LLC

I. Executive Summary and Procedural Information

• Parties & Counsel:
  • Plaintiff: DISH Technologies L.L.C. and Sling TV L.L.C. (Colorado)
  • Defendant: Blaze Media LLC (Delaware)
  • Plaintiff's Counsel: Ashby & Geddes
• Case Identification: 1:26-cv-01064, D. Del., 08/20/2026
• Venue Allegations: Venue is alleged to be proper in the District of Delaware because the Defendant, Blaze Media LLC, is organized under the laws of the State of Delaware.
• Core Dispute: Plaintiff alleges that Defendant's online video streaming platform infringes five patents related to adaptive bitrate streaming (ABR) technology.
• Technical Context: The technology concerns methods for delivering video content over the internet by dynamically adjusting the video quality in response to changing network conditions to ensure continuous playback.
• Key Procedural History: The complaint notes that the asserted patents, or patents from the same family, have been subject to significant prior legal proceedings. This includes a successful enforcement action at the International Trade Commission (ITC) for U.S. Patent No. 10,469,554, which was found valid and infringed. The complaint also discloses that all five asserted patents have faced multiple Inter Partes Review (IPR) challenges at the Patent Trial and Appeal Board (PTAB), with varying outcomes including institution denials and final written decisions. It is noted that claims from U.S. Patent Nos. 8,868,772, 11,470,138, and 10,469,554 are currently on appeal to the U.S. Court of Appeals for the Federal Circuit following PTAB decisions. Plaintiffs also allege sending notice letters to Defendant's predecessor in 2018 and to Defendant in 2026.

Case Timeline

Date	Event
2003-XX-XX	MOVE Networks, Inc., original holder of the patents, was founded Compl. ¶20
2004-04-30	Earliest Priority Date for all Asserted Patents (U.S. Prov. App. 60/566,831)
2010-12-XX	EchoStar acquired MOVE and its ABR patent portfolio Compl. ¶31
2014-10-21	U.S. Patent No. 8,868,772 ('772 Patent) Issued Compl. ¶11
2015-01-XX	DISH launched Sling TV service Compl. ¶33
2018-11-13	DISH sent "2018 Notice Letter" to Defendant's predecessor, TheBlaze, Inc. Compl. ¶52
2018-12-03	TheBlaze and CRTV merge to create Blaze Media Compl. ¶56
2019-11-05	U.S. Patent No. 10,469,554 ('554 Patent) Issued Compl. ¶14
2022-10-11	U.S. Patent No. 11,470,138 ('138 Patent) Issued Compl. ¶13
2023-03-23	ITC Commission Opinion in Inv. No. 337-TA-1265 issued Compl. ¶35
2023-06-13	U.S. Patent No. 11,677,798 ('798 Patent) Issued Compl. ¶12
2024-05-21	U.S. Patent No. 11,991,234 ('234 Patent) Issued Compl. ¶10
2024-08-07	PTAB discretionarily denies institution for IPR against '798 Patent Compl. ¶39
2024-08-13	PTAB discretionarily denies institution for IPR against '138 Patent Compl. ¶40
2024-08-14	PTAB discretionarily denies institution for IPR against '554 Patent Compl. ¶41
2024-11-21	PTAB discretionarily denies institution for IPR against '234 Patent Compl. ¶38
2025-04-14	PTAB issues Final Written Decisions in IPRs against '798, '138, '554 Patents Compl. ¶39 Compl. ¶40 Compl. ¶41
2025-07-16	PTAB discretionarily denies institution for IPRs against '798, '554 Patents (Compl. ¶¶39; Compl. ¶41)
2026-02-02	PTAB issues Final Written Decision in IPR against '234 Patent Compl. ¶38
2026-06-15	DISH sent "2026 Notice Letter" to Blaze Media LLC Compl. ¶57
2026-08-20	Complaint Filed Compl. p. 1

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

U.S. Patent No. 11,991,234 - "Apparatus, system, and method for multi-bitrate content streaming"

• Issued: May 21, 2024

The Invention Explained

• Problem Addressed: The patent family addresses the shortcomings of early internet video streaming, which sacrificed quality for immediate access, suffered from unreliability and latency, and often required costly, proprietary systems that were incompatible with each other Compl. ¶¶22-23 '554 Patent, col. 1:40-54
• The Patented Solution: The invention describes a novel approach to adaptive bitrate streaming based on standard HTTP protocols Compl. ¶24 A media file is encoded into multiple versions at different bitrates, and each version is segmented into small, independently requestable "streamlets" Compl. ¶26 '554 Patent, abstract A client device monitors network performance and "pulls" the appropriate streamlet (i.e., the highest quality it can sustain without interruption) from a standard web server, allowing for dynamic quality adjustment during playback (Compl. ¶¶24; Compl. ¶28; '554 Patent, FIG. 1).
• Technical Importance: This client-side, pull-based architecture was a significant departure from server-driven "push" systems, improving streaming quality and reliability while reducing costs by enabling the use of standard web servers and caching infrastructure Compl. ¶¶28-29

Key Claims at a Glance

• The complaint asserts independent method claim 12 Compl. ¶65
• Claim 12 of the '234 Patent requires a method executable by a client device, comprising the essential steps of:
  • Receiving digital content from a server where multiple copies at different bit rates are stored as individually-requestable portions (streamlets), with portions across copies yielding the same content.
  • The receiving step includes requesting a plurality of sequential portions of one copy.
  • It also includes automatically requesting subsequent portions from one of the copies based on successive determinations by the client to change the requested bit rate.
  • This automatic requesting involves repeatedly generating a factor indicative of a current ability to receive the content, where the factor relates to network performance.
  • Making successive determinations to change the bit rate based on the factor to achieve continuous presentation.
  • This determination includes requesting a subsequent portion from a higher bit rate copy when the factor is greater than a first threshold, and requesting from a lower bit rate copy when the factor is less than a second threshold.
  • Arranging the requested portions in ascending presentation order for output.
• The complaint reserves the right to assert additional claims Compl. p. 18 n.1

U.S. Patent No. 8,868,772 - "Apparatus, system, and method for multi-bitrate content streaming"

• Issued: October 21, 2014

The Invention Explained

• Problem Addressed: As a member of the same patent family as the '234 Patent, the '772 Patent addresses the same problems of unreliability, inefficiency, and latency in early internet streaming technologies Compl. ¶¶22-23
• The Patented Solution: The patent describes the same core ABR technology, where content is segmented into files ("streamlets") encoded at multiple bitrates, and a client-side media player intelligently requests the appropriate file based on network conditions to ensure continuous, high-quality playback (Compl. ¶24, Compl. ¶26; Compl. ¶27; Compl. ¶28). The complaint notes this patent consists exclusively of method claims Compl. ¶17
• Technical Importance: This technology improved the user experience and enabled reliable, high-quality streaming over the public internet using standard, scalable infrastructure (Compl. ¶24, Compl. ¶29).

Key Claims at a Glance

• The complaint asserts independent method claim 1 Compl. ¶84
• Claim 1 of the '772 Patent requires a method for presenting rate-adaptive streams, comprising the essential steps of:
  • Streaming by a media player on an end user station a video from servers, where different copies of the video are encoded at different bit rates and stored as multiple files.
  • The multiple files across different copies yield the same portions of video on playback and have the same time index relative to the beginning of the video.
  • The streaming step includes requesting a plurality of sequential files of one copy over TCP connections based on the time indexes.
  • It also includes automatically requesting subsequent portions of the video from one of the copies dependent upon successive determinations by the media player to shift playback quality.
  • This automatic requesting includes repeatedly generating a set of factors indicative of the ability to sustain streaming, with the factors relating to network performance.
  • Making successive determinations to shift playback quality based on the factors to achieve continuous playback using the highest quality copy determined to be sustainable.
  • Presenting the video by playing back the requested files in order of ascending playback time.
• The complaint notes that certain claims are on appeal from a PTAB decision and expressly reserves the right to assert all claims that are confirmed or restored on appeal Compl. ¶84

U.S. Patent No. 11,677,798 - "Apparatus, system, and method for multi-bitrate content streaming"

• Issued: June 13, 2023
• Technology Synopsis: This patent, part of the same ABR family, focuses on a server-side process for streaming digital content. The invention involves a server storing at least three streams at different bit rates, with each stream comprising aligned "streamlets" of equal playback duration that encode the same portion of the content Compl. ¶101 The server receives a request for a streamlet from an end-user station and sends the requested streamlet to that station Compl. ¶101
• Asserted Claims: Independent claim 22 Compl. ¶101
• Accused Features: The complaint alleges infringement by Blaze's servers and its contracted CDN providers, which allegedly store and transmit streamlets of video content encoded at multiple bitrates Compl. ¶¶102-103

U.S. Patent No. 11,470,138 - "Apparatus, system, and method for multi-bitrate content streaming"

• Issued: October 11, 2022
• Technology Synopsis: This patent describes a system for ABR streaming comprising a storage device with a video encoded into at least low, medium, and high quality streams. The first streamlet of each stream has the same duration and encodes the same portion of the video Compl. ¶120 A web server is configured to receive requests and deliver the selected streamlet based on a client's determination to select a higher or lower bitrate version Compl. ¶120
• Asserted Claims: Independent claim 1 and dependent claim 8 Compl. ¶120
• Accused Features: The infringement allegation targets Blaze's overall system, including its servers and CDN infrastructure, for storing and delivering video as multiple streams (low, medium, high quality) with aligned streamlets Compl. ¶121

U.S. Patent No. 10,469,554 - "Apparatus, system, and method for multi-bitrate content streaming"

• Issued: November 5, 2019
• Technology Synopsis: This patent is specifically directed to a system for ABR streaming of live event video. It describes a storage device storing live video encoded into low, medium, and high quality streams, where the first streamlets of each stream are aligned in duration and content Compl. ¶139 A web server receives requests from end users and retrieves and sends the selected streamlet to enable adaptive streaming of the live event Compl. ¶139
• Asserted Claims: Independent claim 1 and dependent claim 7 Compl. ¶139
• Accused Features: The complaint accuses Blaze's services of infringement specifically in their capacity to deliver live programming, which is advertised as a core feature of BlazeTV Compl. ¶140

III. The Accused Instrumentality

Product Identification

• The accused products and services are collectively identified as the "Accused Streaming Services," which encompass the Blaze TV website (www.blazetv.com), related BlazeTV applications, and associated Blaze Server(s) Compl. ¶6

Functionality and Market Context

• The Accused Streaming Services constitute an online platform that distributes live and on-demand video and other multimedia content to subscribers Compl. ¶6 Compl. ¶44 The platform is alleged to use HTTP Live Streaming (HLS) protocol for adaptive bitrate streaming Compl. ¶46 This involves encoding video content at multiple bitrates (e.g., 640x360, 1280x720, 1920x1080 resolutions), segmenting it into individually requestable "streamlets," and storing them on servers Compl. ¶46 Compl. ¶66 Client devices then receive this content, with the system adapting the bitrate based on network conditions Compl. ¶46 The complaint alleges this functionality is enabled through mandatory HLS instructions embedded in the Blaze Site's web page Compl. ¶46
• The complaint positions the Accused Streaming Services as a subscription video platform that generates substantial revenue and depends on adaptive bitrate streaming as its core delivery mechanism Compl. ¶¶47, 49
  No probative visual evidence provided in complaint.

IV. Analysis of Infringement Allegations

The complaint references claim chart exhibits that are not provided. The following summarizes the narrative infringement allegations for the lead patents.

U.S. Patent No. 11,991,234 (Claim 12):
The complaint alleges that the Accused Streaming Services infringe this client-side method claim. The theory is that end-user client devices, when using Blaze's service, execute a method that receives digital content from Blaze's servers Compl. ¶66 These servers allegedly store multiple copies of the content encoded at different bit rates as individually-requestable streamlets Compl. ¶66 The client device is alleged to automatically request subsequent streamlets from higher or lower bit-rate copies based on "successive determinations" that rely on a "factor indicative of the current ability to receive the digital content relating to network performance" Compl. ¶66 The infringement allegation specifically maps to the claim's two-threshold structure, alleging the client requests a higher bit rate copy when the factor exceeds a first threshold and a lower bit rate copy when the factor falls below a second threshold Compl. ¶66

U.S. Patent No. 8,868,772 (Claim 1):
The complaint alleges infringement of this method claim by the operation of a media player on an end-user station streaming video from Blaze's servers Compl. ¶85 The infringement theory posits that Blaze's servers store multiple copies of a video at different bit rates as files, with each file having a time index aligning it with corresponding files from other bitrate copies Compl. ¶85 The end-user's media player is alleged to automatically request subsequent files from different copies based on "successive determinations to shift playback quality," which are in turn based on generated factors "indicative of the current ability to sustain streaming relating to network performance (including connection strength, buffer health, playback rate, calculated bandwidth, and moving averages)" Compl. ¶85 Compl. ¶25

Identified Points of Contention

• Technical Questions: A central technical question will be whether the accused HLS-based streaming services perform the specific steps recited in the claims. For the '234 Patent, this may involve what "factor" the client device generates and whether its logic for switching bitrates uses the specific "first threshold" and "second threshold" structure as required by claim 12. For the '772 Patent, this may involve identifying the specific "set of one or more factors" (e.g., connection strength, buffer health) used by the client and how they drive the "successive determinations to shift the playback quality."
• Scope Questions: The case may raise questions about the scope of claim terms relative to the accused technology. For instance, does the term "file" as used in the '772 Patent read on the "segments" or "streamlets" used in Blaze's HLS implementation? Further, a key point of contention may be whether the ABR decision-making logic resides on the client device, as required by the claims and emphasized in the patent's description of a "client-side pull approach" Compl. ¶24, versus being controlled or influenced by the server.

V. Key Claim Terms for Construction

For the '234 Patent:

• The Term: "factor indicative of a current ability to receive the digital content"
• Context and Importance: This term is the central input to the client's decision-making logic for switching bitrates. The infringement analysis for claim 12 will depend on whether the metric(s) used by the accused client devices to assess network conditions fall within the scope of this term. Practitioners may focus on this term because its construction will determine what type of client-side monitoring evidence is required to prove infringement.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: The claim language itself is functional ("indicative of a current ability"), which may support an interpretation that covers any metric reflecting network throughput or reliability, regardless of how it is calculated.
  • Evidence for a Narrower Interpretation: The specification of the related '554 Patent, from which the '234 Patent descends, describes calculating a specific "performance factor φ" using a geometric mean of time intervals between received streamlets '554 Patent, col. 17:21-41 This could be used to argue for a narrower, more mathematical definition of the "factor."

For the '772 Patent:

• The Term: "files whose playback is the same portion of the video for each of the different copies have the same time index"
• Context and Importance: This limitation defines the critical structural relationship between the segmented media across different bitrate streams. Proving infringement of claim 1 requires demonstrating that the accused HLS segments are organized and aligned in this specific manner. The dispute may turn on whether the time-based alignment in the HLS standard meets this claimed "time index" requirement.
• Intrinsic Evidence for Interpretation:
  • Evidence for a Broader Interpretation: A party might argue that any system where segments correspond to the same playback time across different quality levels meets the functional goal of the claim, even if the implementation does not use an explicit "index" in the manner described.
  • Evidence for a Narrower Interpretation: The specification of the related '554 Patent includes Figure 3b, which explicitly illustrates distinct sets of streamlets (306a, 306b, etc.) that correspond to specific time segments (e.g., streamlet 0, streamlet 1) of the content. This figure, along with the repeated use of "time index" in the claims, may support an interpretation requiring a more formal, discrete indexing structure rather than just functional time correspondence.

VI. Other Allegations

• Indirect Infringement: The complaint alleges both induced and contributory infringement for all five patents.
  • Inducement: The allegations are based on claims that Blaze designed and deployed the Accused Streaming Services to operate in an infringing manner, had actual knowledge of the patents, and encouraged infringement through user-facing instructions and technical documentation, such as support articles available on its website Compl. ¶71 Compl. ¶90 Compl. ¶107 Compl. ¶126 Compl. ¶145
  • Contributory Infringement: The allegations are based on the assertion that the Accused Streaming Services embody the core functionality of the patented inventions, are especially made or adapted for infringement, and have no substantial non-infringing use in their deployed configuration Compl. ¶79 Compl. ¶96 Compl. ¶115 Compl. ¶134 Compl. ¶150
• Willful Infringement: The complaint alleges willful infringement based on both pre-suit and post-suit knowledge. Pre-suit knowledge is alleged based on several grounds: a 2018 notice letter to Blaze's predecessor Compl. ¶52; a 2026 notice letter to Blaze Compl. ¶57; constructive notice from a virtual patent marking webpage Compl. ¶48; and knowledge of DISH's publicized ITC litigation involving the '554 patent against other HLS-based streaming providers Compl. ¶50 Willful blindness is pled in the alternative Compl. ¶75

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

• A core issue will be one of technical implementation: Does Blaze's use of the standardized HLS protocol result in a client-side method that performs the specific logical steps recited in the asserted claims? For example, the infringement case for the '234 patent may turn on whether Blaze's system uses a two-threshold decision logic for bitrate switching, as explicitly required by claim 12.
• A second central question is one of procedural viability: With claims from three of the five asserted patents ('772, '138, and '554) currently on appeal from adverse PTAB decisions, a significant portion of the case's scope and potential exposure hinges on the outcome of those Federal Circuit appeals. This introduces substantial uncertainty that will likely influence case strategy and potential settlement discussions.
• A key evidentiary question will be one of act attribution: The patents include claims directed to client-side methods, server-side processes, and overall systems. The case will require distinct evidence to prove direct infringement by different actors (end-users, Blaze, or its CDN partners) and to then establish the knowledge and intent elements required for the corresponding indirect infringement claims against Blaze.