Invalidity dossier
US 7886069
Video distribution system including progressive playback
Current assignee: Divx LLC
Added 9/23/2026, 12:03:00 PM
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Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
Patent Overview — US 7,886,069 B2
Title: "Video distribution system including progressive playback"
Patent number / application: US 7,886,069 B2; application US 11/970,493, filed 2008-01-07.
Inventor: Roland Osborne.
Assignee: Original assignee Divx LLC; later recorded assignments appear in the source text (DIVX, INC.; DIVX, LLC; Sonic IP, Inc.; DivX CF Holdings LLC; back to DIVX, LLC). The source notes listed assignees "may be inaccurate."
Key dates: Priority date 2007-01-05 (assumed); granted/publication date 2011-02-08; status Active, with adjusted expiration 2028-06-11 (all as stated in the source).
Purpose: The invention "relates generally to playing multimedia files over a network and more specifically to the progressive playback of multimedia files as they are downloaded over a network." Progressive playback means "playing back remote content as it is being downloaded," so a user can start watching a remote movie "before it is fully downloaded," waiting only "a couple of seconds before playback can begin" rather than minutes or hours.
Plain-language scope: The patent contrasts two approaches. In "server driven approaches" (citing U.S. application Ser. Nos. 11/323,044, 11/323,062, 11/327,543, and 11/322,604, incorporated by reference), the server parses the data file and decides what to send, easing network efficiency and playback flexibility—but "[s]tandard HTTP web servers" typically lack this functionality, and custom web servers with it "often scale poorly" for many simultaneous players. The excerpt also discusses Samba (open source, http://us2.samba.org/samba/), which gives an application access to a remote file as if local, pre-caching from the current file position, which may be insufficient for "trick play" functions such as rewinding, fast forwarding, and sk[ipping] (text truncated in the source excerpt).
Classification highlights: H04L65/60, H04L65/764, G06F16/70–16/739, H04N21/23406, H04N21/44004, H04N21/6587, H04N7/17318.
Source: https://patents.google.com/patent/US7886069/en
What the excerpt does not establish: No claim language is supplied, so the actual claimed scope is unverified. The excerpt is truncated, and no complete written description, figures, embodiments, or prior-art analysis is provided. It also does not establish ownership/validity conclusions, litigation details, or any facts beyond those quoted above.
Generated 10/1/2026, 9:53:51 PM
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Litigation summary
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Proceedings on file (0)
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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
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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.