diff --git a/Casks/o/ovito-pro.rb b/Casks/o/ovito-pro.rb
new file mode 100644
index 0000000000..018437cc4d
--- /dev/null
+++ b/Casks/o/ovito-pro.rb
@@ -0,0 +1,29 @@
+cask "ovito-pro" do
+  arch arm: "arm64", intel: "intel"
+
+  version "3.9.4"
+  sha256 arm:   "43014be524a9fa538ee2679e5e65d4a81dfefbbfb919368d527cdc5c03a83caa",
+         intel: "d63e0bd9e4e7b192c03481b5671cacde90f4024d63bfac61e057e36457a74a6e"
+
+  url "https://www.ovito.org/download/master/ovito-pro-#{version}-macos-#{arch}.dmg"
+  name "OVITO Pro"
+  desc "Scientific data visualization and analysis software"
+  homepage "https://www.ovito.org/"
+
+  livecheck do
+    url "https://www.ovito.org/os-downloads/"
+    regex(/version\s(\d+(?:\.\d+)*)/i)
+    strategy :page_match
+  end
+
+  auto_updates true
+  conflicts_with cask: "ovito"
+  depends_on macos: ">= :mojave"
+
+  app "Ovito.app"
+
+  zap trash: [
+    "~/Library/Preferences/org.ovito.Ovito.plist",
+    "~/Library/Saved Application State/org.ovito.savedState",
+  ]
+end