Invalidity dossier
US 11057738
Adaptive context detection in mobile devices
Current assignee: Context Directions LLC
Added 8/25/2026, 6:47:10 PM
Active provider: DeepSeek · deepseek-v4-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
Patent Overview — US11057738B2
Title: Adaptive context detection in mobile devices
Patent number: US11057738B2
Application number: US16/182,863
Inventor: Pawel Aksamit
Current assignee (as listed): Context Directions LLC (originally assigned to Binartech Sp. Z O.O.)
Priority date (as listed): 2012-02-17
Filing date: 2018-11-07
Publication date: 2021-07-06
Anticipated expiration (as listed): 2033-02-05
Other version: US20190075429A1
Source: https://patents.google.com/patent/[US11057738](/patent/US11057738)/en
Purpose. The patent addresses context detection for mobile devices — a mobile device becoming aware of its environment, the user's current activity, and the user's circumstances. A stated special case is detecting that the device is located in a moving vehicle, such as a car. The text notes that using device functions to make calls or send messages while driving is inadvisable and in many countries prohibited, while other functions (e.g., navigation, or downloading and announcing road-hazard information by tone, voice, or visual message) may be advantageous in those circumstances.
Plain-language scope. The invention relates to a method for detecting context of a mobile device and to a mobile device having a context detection module, especially to detect that the device is located in a moving vehicle. The excerpt describes a known alternative approach — determining approximate position from cellular base-station signals and calculating average speed from position change over time — and notes that such positioning is typically uncertain by a few hundred meters to several kilometers. The excerpt's prior-art keywords include classification, mobile device, classifier, sensor, and groups, and its classifications cover location-based services using velocity/acceleration information, power saving based on local events, and context/environment-adapted mobile phone user interfaces.
What the excerpt does not establish. It does not set out the claims, the detailed description, the specific classification/sensor-group architecture, any prior-art references relied upon, or the outcome of the listed litigation. Nor does it verify inventorship, ownership, or legal status beyond the listed data.
Generated 10/1/2026, 10:04:10 PM
Cases on file (4)
Group view →Specific litigation cases in our database that name US patent 11057738. The free-form analysis below may also discuss cases beyond this list.
- Context Directions LLC v. Huffines Chevrolet Lewisville, Inc.filed Jan 24, 20252:25-cv-00073U.S. District Court for the Eastern District of Texasopen
Defendants: Huffines Chevrolet Lewisville, Inc.
- Context Directions LLC v. Don Herring Auto Sales, LTDfiled Mar 14, 20244:24-cv-00228E.D. Tex.Pending as of last docket retrieval
Defendants: Don Herring Auto Sales, LTD
- 4:22-cv-00575E.D. Tex.Not confirmed
Defendants: Avis Budget Group Inc., Budget Rent A Car System Inc., Avis Rent A Car System LLC
- 2:25-cv-00419E.D. Tex.New filing
Defendants: Peltier Enterprises Inc.
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.
Current assignee: Context Directions LLC
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.
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This patent in court (4)
4 tracked lawsuits name US 11057738.