Invalidity dossier
US 6646672
Pocket video conference computer
Current assignee: Individual
Added 9/23/2026, 6:02:09 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 6,646,672 B2
Title: Pocket video conference computer
Inventor: Wolfgang Feierbach
Assignee: Individual (original assignee also listed as Individual)
Application No.: US 09/992,848
Priority date: 2000-12-21
Filing date: 2001-11-14
Publication date: 2003-11-11 (earlier publication US 2002/0080231 A1, 2002-06-27)
Legal status: Expired – Fee Related (as listed; Google notes this is an assumption, not a legal conclusion)
Source: https://patents.google.com/patent/US6646672/en
Purpose. The invention relates to a palmtop computer having the features and capabilities of video conferencing. The stated object is to provide a small, lightweight, and handy communications computer affording effective usage and ergonomic operating functions.
Plain-language scope. The background describes conventional office and notebook computers as relatively large, heavy, and energy-hungry, with a trend toward smaller units. It discusses EP 0 750 245 A1, a notebook-design small computer operated with a special electronic pen on a sensitive monitor surface, whose flat monitor frame is hinged as a lid, with a telescopic video camera stored in a hollow pipe-like hinge and pulled out for use. The patent criticizes that design for requiring users to learn a new data-input procedure, for the hand and pen at least partly obscuring the monitor, and for dividing one monitor's usable area between input and output—especially problematic for videoconferences with more than one communication partner. Against this background, the present invention is positioned as a small, lightweight, handy communications computer for video conferencing with ergonomic operation.
Classifications include H04N 7/14 (two-way video terminals, videophone terminal construction) and G06F 1/16 (portable computer constructional details), among others.
What the excerpt does not establish. The supplied text is expressly an excerpt; it cuts off mid-sentence in the "object of the present invention" passage. It therefore does not set out any claim language, the full detailed description, drawing contents, or the complete list of referenced prior art. Likewise, no information is supplied here regarding litigation, ownership transfers, validity, or substantive examination history.
Generated 10/1/2026, 9:43:04 PM
Cases on file (0)
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Litigation summary
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Proceedings on file (0)
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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.