Invalidity dossier
US 6104712
Wireless communication network including plural migratory access nodes
Current assignee: Individual
Added 9/23/2026, 4:44:31 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 6,104,712 A
Title: Wireless communication network including plural migratory access nodes
Patent number: US 6,104,712 A
Application number: US 09/253,690
Inventors: Bruno G. Robert; James J. Proto
Original assignee: Individual
Current assignee (as listed): Individual
Priority/filing date: 1999-02-22
Publication (grant) date: 2000-08-15
Legal status: Expired – Lifetime; anticipated expiration 2019-02-22
Source: https://patents.google.com/patent/US6104712/en
Purpose and plain-language scope (per supplied text)
The patent concerns a wireless communication network that includes multiple "migratory access nodes." The title and indexed prior-art keywords (node, packet, migratory, network, nodes) indicate a packet-based wireless network in which access nodes are not fixed but move within the network. The listing also records an assignment dated 2000-05-19 from James J. Proto to Bruno G. Robert.
Classifications in the supplied text place the subject matter under routing/path finding of packets (H04L45/00), error detection and handling using a return channel (H04L1/00, H04L1/12, H04L1/16), addressing/naming arrangements including non-standard address use (H04L61/00, H04L61/35), wireless traffic and resource management (H04W28/00, H04W28/16, H04W28/18), and wireless routing or path finding based on node resources, antenna characteristics, and transmission power (H04W40/00–H04W40/08). This suggests the claimed subject matter relates to how migrating access nodes are addressed, selected, and used for routing in a wireless packet network.
What the excerpt does not establish
The supplied text is an excerpt: it contains no abstract, no claims, no written description, and no drawing text, so it does not establish the actual claimed scope, claim limitations, or specific embodiments. It does not establish the meaning of "migratory," the number or nature of the nodes, or how migration is implemented. It provides no prior-art references. The listed assignee status is expressly an assumption, not a legal conclusion, and the excerpt contains no information on litigation, ownership transfers beyond the recorded assignment, validity, or enforceability. Dates and classifications are reproduced as listed in the source.
Generated 10/1/2026, 9:44:14 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.