Invalidity dossier
US 9565769
LED linear lighting kit
Current assignee: Elemental LED Inc
Added 9/23/2026, 12:19:46 PM
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
US 9,565,769 B2 — Patent Overview
Title: LED linear lighting kit
Patent number: US 9,565,769 B2
Application number: US 14/707,962
Inventor(s): Andreas Dankelmann; Randall Holleschau
Assignee: Elemental LED Inc (original and current assignee per the source; assignment recorded 2015-05-21)
Priority date: 2014-02-19 (claimed from US 14/184,475, which the source links to US 9,279,544 B1)
Filing date: 2015-05-08
Publication date / grant: 2017-02-07 (application published as US 2015/0241034 A1 on 2015-08-27)
Legal status: Active; anticipated expiration 2034-02-19 (the source notes legal status is an assumption, not a legal conclusion)
Purpose and plain-language scope. The patent concerns linear LED lighting systems in which LED-bearing strips or printed circuit boards (PCBs) are mounted into tracks or extrusions that can be secured to surfaces such as walls or the undersurface of kitchen cupboards. The source describes prior-art approaches: flexible strands or rigid/semi-rigid PCBs carrying series of LEDs; tracks available in predetermined lengths that can be joined end-to-end to form a continuous lighting arrangement of a desired length; and various carriers, mounting slots, clips, and rails for holding light strips. The description references prior-art documents including Dubuc (a light strip for supplementing natural light in a greenhouse, with LEDs mounted in an extruded aluminum support rail having a channel and external ribs defining a mounting slot), Levine (a modular lighting device kit with clips holding light-source modules and permitting 360-degree rotation), Caron (a daisy-chainable valence lighting fixture with a mounting bracket that snaps into a mounting groove), and Chan (a linear LED light module using spring clips). Primary classifications include F21S4/28 (rigid LED bars) and F21V15/013 (extruded housings).
What the excerpt does not establish. The provided text is excerpted and does not include the claims, the full specification, the complete list of cited prior art, or the drawings. It therefore does not establish the specific claim scope, claim limitations, or the examiner's reasons for allowance. No litigation, ownership-transfer, or validity analysis is included.
Generated 10/1/2026, 9:53:40 PM
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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
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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.