Invalidity dossier
US 11855937
Two-way real time communication system that allows asymmetric participation in conversations across multiple electronic platforms
Current assignee: Disintermediation Services Inc
Added 9/23/2026, 1:59:08 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: US11855937B2
Title: Two-way real time communication system that allows asymmetric participation in conversations across multiple electronic platforms
Assignee/Current Assignee: Disintermediation Services, Inc.
Inventors: John Patrick Francis Dandison; James Allen Johnson; Paul Joseph Lyman Schottland
Key Dates:
- Priority date: 2011-10-17
- Application filed: 2022-09-07 (Application No. US17/939,730)
- Publication date: 2023-12-26 (US20230179549A1 published 2023-06-08)
- Adjusted expiration: 2033-01-19; status: Active
Purpose:
The patent addresses a recognized limitation in real-time communication (RTC). According to the supplied excerpt, traditional RTC methods require: (1) both parties sharing a common communications protocol (email, SMS/text, instant messaging); (2) the initiating party knowing the recipient's address or identifying information before initiating contact; and (3) both parties being identified to each other during the communication. The excerpt further notes that although RTC can be used in various ways on various computing devices, the various modes of RTC are not interconnected—for example, two people chatting must use the same communication protocols and, in some instances, the same software.
Plain-Language Scope:
The title indicates a two-way, real-time communication system enabling "asymmetric participation in conversations across multiple electronic platforms." The classifications point toward user-to-user messaging (including real-time/instant messaging, unified messaging, format adaptation, and chatbot/automatic-response messaging) combined with session management, authentication, and protocol handling. The stated prior-art keywords are: conversation, responder, communication, initiator, information. No claims are reproduced in the supplied excerpt.
Source: https://patents.google.com/patent/[US11855937](/patent/US11855937)/en
What the excerpt does not establish:
The supplied text contains no claim language and does not set forth the specific technical implementation of the "asymmetric participation" feature, nor any dependent-claim detail. It also does not define the term "asymmetric participation" itself. Litigation, ownership transfers, validity, and prior-art references are excluded from this overview per scope, and no such conclusions should be drawn from it.
Generated 10/1/2026, 9:52:38 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
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Extensions
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Derivative works
Defensive disclosure: derivative variations of each claim designed to render future incremental improvements obvious or non-novel.