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Defdex

Startup · Ukraine

The Fourth Law

HQ Ukraine

The Fourth Law, Inc. is a global leader in autonomous small drones, autonomy modules, and autonomy simulations for defense.

StartupPrototype
Website

Products1

Zerov-8

Tailsitter VTOL interceptor drone for countering Shahed-type UAVs, carrying an AI detection and tracking module; stated top speed 326 km/h and combat radius up to 20 km.

Prototype

Newest unveiled first. Open a product for its milestone timeline, components and sources.

Sources3

Profile2

  1. 1

    Sixth-Domain · Supports Organization · country, Organization · kind

    “{"country": "Ukraine", "hq_iso2": "UA", "id": "c4f50f2e-3598-4e9c-ac5f-ee63f462ba04"}”
  2. 2

    The Fourth Law · Supports Organization · description, Organization · name, Organization · website

    “The Fourth Law, Inc. is a global leader in autonomous small drones, autonomy modules, and autonomy simulations for defense.”

Products1

  1. 3

    The Fourth Law · Oct 5, 2026 · Supports System, System · maturity

    “The Zerov-8 is equipped with the TFL Anti-Shahed detection module”

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