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Is a motion sensor light patented?

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

What our index shows
  • 108 US and WO patent publications since 2000 have a title matching “motionlightlamp” or a close variant (our index of 9.7 million patent families; one publication per family).
  • Among the 49 best keyword matches we examined, 19 were published in 2020 or later, and the earliest was published in 2002.
  • Most frequent assignees in those matches: GREAT HOME TEK INC (3), CH REYNOLDS ELECTRIC INC (2), RECKER MICHAEL V (2), VAXCEL INT CO LTD (2).
  • Most common patent classes (CPC subclasses): F21V (32), H05B (24), F21S (22), F21Y (20).

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 motion sensor light

  1. Light switch unit for uv light source with motion sensor US-2026181759-A1 2026 · CH REYNOLDS ELECTRIC INC
    Embodiments of the present invention provide a reconfigurable light switch that can control multiple light sources and a fan using a combination of buttons, a motion sensor, and a timer, for improved safety and convenience. The sw…
    View on Google Patents
  2. Wall installation motion sensor for UV light source US-12453793-B2 2025 · CH REYNOLDS ELECTRIC INC
    A lighting fixture containing both visible light sources and UV light sources is disclosed herein. In one embodiment, the fixture is an overhead fixture. UV light can sanitize/disinfect the surrounding environment over a period of…
    View on Google Patents
  3. Multi-level LED security light with motion sensor US-11893868-B2 2024 · VAXCEL INT CO LTD
    A method of configuring a white LED light with a tunable diffused light color temperature, includes using a light-emitting unit configured with a first LED load emitting light with a first color temperature between 1800K and 3000K…
    View on Google Patents
  4. Systems and methods for providing hub-based motion detection using distributed, light-based motion sensors US-11693383-B1 2023 · SIGNIFY NORTH AMERICA CORP
    Systems and methods are provided herein for determining motion in a volume using a lighting based sensor. A status of a light is determined with which a motion sensor is associated. Motion measurements are received from the motion…
    View on Google Patents
  5. Wardrobe rail with led light and integrated motion sensor WO-2023073256-A1 2023 · PERALTA PILO JOSE MANUEL
    Wardrobe rail with LED light and integrated motion sensor designed to be used in any type of wardrobe in which a light source is required or desired for improved viewing of the inside of the wardrobe, comprising an aluminium profi…
    View on Google Patents
  6. Lighting device with motion sensor US-10976039-B2 2021 · SIGNIFY HOLDING BV
    Provided is a lighting device including a light source for emitting light, a sensor configured to detect infrared radiation from a plurality of locations along a path in the field of view of the sensor, at least one attenuation el…
    View on Google Patents
  7. Motion sensor based lighting fixture operation US-10634299-B2 2020 · EATON INTELLIGENT POWER LTD
    A lighting fixture includes a lighting device, a motion sensor, and a wireless transceiver configured to transmit and receive wireless signals. The lighting fixture further includes a controller communicably coupled to the lightin…
    View on Google Patents
  8. Inductive power solar light with microwave motion sensor US-2020340636-A1 2020 · IDEAPOND LLC
    The light fixture has two separate and distinct portions, i.e., a lower portion and an upper portion, that are magnetically connected to one another. The lower portion contains a light source; a rechargeable battery; provision for…
    View on Google Patents
  9. Motion sensor light bulb WO-2019029707-A1 2019 · ZHEJIANG SHENGHUI LIGHTING CO
    A motion sensor light bulb, including a casing structure; a setting member disposed on a surface of the casing structure; and a light-emitting element (6), a light-emitting driving element (4), a control element (2), an event sens…
    View on Google Patents
  10. Network of motion sensor lights with synchronized operation US-10117315-B2 2018 · RECKER MICHAEL V
    The claimed subject matter provides systems and/or methods that facilitate remotely controlling a wireless lighting module. The wireless lighting module can include a power source such as a battery, a solar cell, and the like as w…
    View on Google Patents
  11. Motion sensor light, surveillance system and surveillance method US-9820358-B2 2017 · PANASONIC IP MAN CO LTD
    A motion sensor light turns on a light once a motion sensor detects movement of a person. The light illuminates a monitoring area once the light is turned on. The motion sensor light initiates measurement of lighting duration of t…
    View on Google Patents
  12. Cloud connected motion sensor lighting grid US-9655217-B2 2017 · RECKER MICHAEL V
    A cloud connected motion sensor lighting grid may include a wireless lighting network of coordinated lighting devices and a bridge to provide connectivity to external devices such as a cell phone, home automation system or securit…
    View on Google Patents
  13. Lighting fixture with motion sensor and battery test switch US-9521727-B1 2016 · CLEMENTS STEVEN RUSSELL
    The present disclosure provides systems and techniques for a lighting fixture with a motion sensor and an emergency battery test switch. The disclosure herein provides a lighting fixture for fitting within a ceiling, wall, or othe…
    View on Google Patents
  14. Portable mountable indoor lamp having a positionable lamp head and motion and light sensors which can be aimed US-2006278816-A1 2006 · BOOTY DONALD J
    The lamp includes a base having a battery compartment, a selector switch, an aimable light and motion sensor assembly, and a removable suction cup. A gooseneck extends from the base and terminates in a lamp head containing one or …
    View on Google Patents

What this means for your idea

Because patents cover specific combinations of features, the useful question is not “has a motion sensor light 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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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.