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Is a ceiling light fixture patented?

Short answer: specific designs of a ceiling light fixture have been patented many times, but "a ceiling light fixture" as a general idea is not what is protected. What matters is the exact combination of features in your version.

What our index shows
  • 5,079 US and WO patent publications since 2000 have a title matching “light fixture” or a close variant (our index of 9.7 million patent families; one publication per family).
  • Among the 702 best keyword matches we examined, 219 were published in 2020 or later, and the earliest was published in 2000.
  • Most frequent assignees in those matches: ABL IP HOLDING LLC (18), SIGNIFY HOLDING BV (12), HUBBELL INC (11), CREE INC (11).
  • Most common patent classes (CPC subclasses): F21V (641), F21S (453), F21Y (364), F21W (134).

Counts come from keyword matching on titles and abstracts, so they are indicative, not a legal count. Some matches are different products that share a word.

14 real patent publications related to a ceiling light fixture

  1. Height adjustable ceiling mount for linear light fixture US-12680682-B2 2026 · DIEM GMBH
    A height adjustable ceiling mount assembly for a linear light fixture includes a base configured for being connected to a top surface of the linear light fixture; an arm extending upward from the bracket; a mount for connecting to…
    View on Google Patents
  2. Clip device for mounting a light fixture to a ceiling tile grid US-12247717-B1 2025 · SIGNIFY HOLDING BV
    A clip device for mounting a light fixture to a ceiling tile grid includes a base configured to be located on a surface of the light fixture. An edge portion extends from the base and is configured to be located in a recess in the…
    View on Google Patents
  3. Installation assembly of ceiling lighting fixture, ceiling lighting fixture and ceiling lamp US-10935218-B2 2021 · OPPLE LIGHTING CO LTD
    An installation assembly of a ceiling lighting fixture, a ceiling lighting fixture and a ceiling lamp are provided. The installation assembly includes a fixing base and a connecting base detachably connected with the fixing base. …
    View on Google Patents
  4. Telescopic structure, ceiling lamp, and lighting fixture WO-2019010745-A1 2019 · SHENZHEN SANPU BENSE TECH CO LTD
    A telescopic structure (50), a ceiling lamp (100) using the telescopic structure (50), and a lighting fixture (300) using the ceiling lamp (100). The telescopic structure (50) is applied to the ceiling lamp (100). The ceiling lamp…
    View on Google Patents
  5. Ceiling mountable led light fixture with accessible cct selectable switch US-10234091-B1 2019 · CHAIMBERG ADAM
    A ceiling mountable LED light fixture is described and wherein at least two sets of LED's of different correlated color temperatures (CCT) are mounted in its housing. The LED light fixture is adapted to be removably secured in…
    View on Google Patents
  6. Smart lighting by outdoor wall-mounted or ceiling mounted light fixtures and/or connected light bulbs US-9832833-B1 2017 · KUNA SYSTEMS CORP
    An apparatus comprising a communication circuit and a processing circuit. The communication circuit may be configured to connect to a network based on a communications protocol. The processing circuit may be configured to control …
    View on Google Patents
  7. Light fixture for mounting to a ceiling US-8545063-B2 2013 · DUPUY BENOIT
    There is provided a light fixture for mounting to a ceiling, wall or the like, which comprises a pot having a peripheral edge abutting the area adjacent a hole made in the ceiling or wall. A hook and a bolt cooperate to secure the…
    View on Google Patents
  8. Apparatus and method for retro-fitting a recessed light fixture into an existing ceiling mounted assembly or penetration US-8465182-B1 2013 · DAVIS JARED MICHAEL
    A recessed light fixture has a plurality of fasteners for securing a can or top hat of the recessed light fixture to a substrate, e.g., sheetrock ceiling and/or open frame mounting plate. Each of the plurality of fasteners compris…
    View on Google Patents
  9. Ceiling light fixture adaptable to various lamp assemblies US-7686470-B2 2010 · VALENS COMPANY LTD
    A ceiling light fixture includes a housing forming a channel having a trapezoidal cross section and a light-transmitting cover panel fixed in and covering the channel. The channel has a bottom wall forming a slot. A circumferentia…
    View on Google Patents
  10. Ceiling-mounted troffer-type light fixture US-7686484-B2 2010 · KENALL MFG CO
    A ceiling-mounted troffer-type light fixture for illumination. The fixture comprises a body with a first flange having at least one hook-receiving opening and a second flange with a suspension-member-receiving opening. A cover inc…
    View on Google Patents
  11. Adapter device for mounting a ceiling electrical light fixture US-7347580-B2 2008 · AMERICAN FLUORESCENT CORP
    An adapter device, for enabling installation of an electrical light fixture to a ceiling mounted electrical box by one person, includes an opening into which a plurality of bendable tabs and a cover screw engaging yoke extend. The…
    View on Google Patents
  12. Universal, light fixture/ceiling fan recessed mounting device US-6168285-B1 2001
    A device that provides for the recessed mounting of ceiling mounted light fixtures or ceiling fans is disclosed. Comprising a preformed, concave, hemispherical shape, it possesses adequate structural stability and strength for the…
    View on Google Patents
  13. Light fixture mounting for suspended ceiling US-6315428-B1 2001
    A mounting for retaining a light fixture to a suspended ceiling has a body sized to fit within the frame member of a suspended ceiling. The body has connector holes for receiving a light fixture and an electrical box for connectin…
    View on Google Patents
  14. Ceiling mounted wallwash light fixture US-RE36908-E 2000 · COOPER IND INC
    A ceiling mounted, recessed, wallwash light fixture includes a reflector having an internal reflecting surface. A wallwash segment of that reflecting surface is defined by vertically adjacent reflecting faces each arranged so that…
    View on Google Patents

What this means for your idea

Because patents cover specific combinations of features, the useful question is not “has a ceiling light fixture been patented?” but “has my combination of features been described before?” Household products tend to differ in the mechanism (how something attaches, folds, dispenses or cleans) rather than the basic idea.

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Guides that help with this

First-look landscape. Not exhaustive. Not legal advice. This page lists keyword-matched publications from a limited database; it does not say whether any product is or isn't covered by a patent, whether a patent is still in force, or whether your idea is patentable. Consult a registered patent attorney or agent.