Invalidity dossier
US 10469555
Apparatus, system, and method for multi-bitrate content streaming
Current assignee: Dish Technologies LLC
Added 9/23/2026, 12:53:47 PM
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
Patent Overview: US 10,469,555 B2
Title: Apparatus, system, and method for multi-bitrate content streaming
Patent number: US10469555B2
Application number: US16/252,356
Publication of application: US20190158561A1 (2019-05-23)
Filing date: 2019-01-18
Grant/publication date: 2019-11-05
Priority date (assumed, per source): 2004-04-30
Inventor(s): David F. Brueck; Mark B. Hurst; R. Drew Major
Current/Original Assignee (per source): Dish Technologies LLC
Status (per source): Expired - Lifetime; anticipated expiration listed as 2025-04-28
Purpose and plain-language scope (based only on the supplied excerpt):
The patent relates to streaming media content at multiple bitrates. According to the source's prior-art keywords—"quality stream," "streamlet," "streamlets," "stream," "video"—the disclosed subject matter concerns dividing or organizing content into "streamlets" belonging to different "quality streams" (i.e., different bitrate/quality versions), so a streaming system can serve video at an appropriate quality level. The title frames this as an apparatus, system, and method for multi-bitrate content streaming. The excerpt also lists classifications under H04L65/607 and G06F16/1824 (distributed file systems using Network-attached Storage), suggesting a network/file-serving implementation context, but the excerpt does not describe the claims or specification in detail.
Source: https://patents.google.com/patent/US10469555/en
What the excerpt does not establish:
The supplied text does not include the claims, detailed description, drawings, or abstract, so the precise claimed scope, components, and operation cannot be verified from it. It does not establish inventorship priority beyond an assumed priority date, the relationship to US11/116,783 (listed as an external priority), or the accuracy of the listed assignee/legal status. The excerpt also notes litigation and PTAB references but provides no outcomes; those are outside the scope of this overview and were not researched.
Generated 10/1/2026, 9:53:25 PM
Cases on file (0)
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Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Proceedings on file (0)
All PTAB activity →AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.
No PTAB proceedings on file. This patent has not been challenged via IPR, PGR, or CBM. The absence is itself a signal — well-asserted patents eventually attract IPRs. The LLM analysis below may surface filings the ODP feed hasn’t indexed yet.
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
Assignment history
Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.
Prior art
Earlier patents, publications, and products that may anticipate or render the claims unpatentable.
Obviousness
Combinations of prior art that suggest the claimed invention would have been obvious under 35 U.S.C. § 103.
Extensions
Patent term adjustments, term extensions, continuations, divisionals, family members, and expiration dates.
Derivative works
Defensive disclosure: derivative variations of each claim designed to render future incremental improvements obvious or non-novel.