Invalidity dossier
US 9719642
Tube light with improved LED array
Current assignee: Colt International Clothing Inc dba Colt Led
Added 9/23/2026, 6:01:40 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 9,719,642 B1
Title: Tube light with improved LED array
Patent number: US 9,719,642 B1
Application number: US 13/896,868
Inventor: Guillermo Macias
Original/Current Assignee: Colt International Clothing Inc. (dba Colt LED)
Priority date: 2012-05-17
Filing date: 2013-05-17
Publication/grant date: 2017-08-01
Adjusted expiration (as listed): 2033-10-30
Legal status (as listed): Active
Purpose and plain-language scope (based only on the supplied text): The patent is classified as a retrofit LED light source intended to substitute for fluorescent tubes (F21K9/27; F21K9/278), with end parts connecting the light source to a fitting (F21K9/272). The prior-art keywords listed are "LEDs," "light," "support structure," "LED," and "LED light," indicating the disclosed subject matter concerns an LED array and a support structure within a tube light. Classifications also cover varying-color lighting by selectively switching fixed light sources (F21S10/02–10/023), circuit elements/switches on lighting devices (F21V23/04), LED intensity control (H05B45/10), harmonics reduction (H02M1/12), and DC-to-AC conversion circuitry (H02M7/42–7/53803). The available excerpt does not quote any claim language; accordingly, the precise claimed scope cannot be stated from this source alone.
Family continuity listed: Later applications claim priority from this patent, including US 9,845,924 B1; US 10,197,224 B1; US 10,411,582 B1; US 11,940,103 B1; US 10,566,895 B1; US 10,718,473 B1; US 11,293,600 B1; US 11,719,393 B1; and US 12,013,088 B2.
Source: https://patents.google.com/patent/US9719642/en
What the excerpt does not establish: It does not provide the specification text, any claims, an abstract, drawings description, or detailed embodiments; therefore the specific structural or electrical features actually claimed are unknown. It also does not establish legal status conclusions, claim validity, or the accuracy of listed assignees or dates, which Google Patents expressly labels as assumptions. No litigation, ownership-transfer, validity, or prior-art analysis is provided here.
(Note: apart from the above, litigation and assignment entries appear in the source but are outside the requested scope.)
Generated 10/1/2026, 9:43:04 PM
Cases on file (0)
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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.
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.