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diff --git a/src/pathwatch.hpp b/src/pathwatch.hpp
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+++ b/src/pathwatch.hpp
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+/**
+ * @file PathWatch.hpp
+ * @brief Add watch for the object path for interfaces added/removed signal
+ *
+ * In general class users should include pathwatchimpl.hpp instead to avoid
+ * link failures.
+ */
+#pragma once
+
+#include "data_types.hpp"
+#include "watch.hpp"
+
+namespace phosphor
+{
+namespace dbus
+{
+namespace monitoring
+{
+
+class Callback;
+
+/** @class PathWatch
+ *  @brief Watch on object path for interfaceadded/interfaceremoved signals
+ */
+template <typename DBusInterfaceType> class PathWatch : public Watch
+{
+  public:
+    PathWatch() = delete;
+    PathWatch(const PathWatch&) = delete;
+    PathWatch(PathWatch&&) = default;
+    PathWatch& operator=(const PathWatch&) = delete;
+    PathWatch& operator=(PathWatch&&) = default;
+    virtual ~PathWatch() = default;
+    PathWatch(const std::string& path, Callback& callback) :
+        Watch(), objectPath(path), cb(callback), alreadyRan(false)
+    {
+    }
+
+    /** @brief Start the watch.
+     *
+     *  Watch start interface implementation for PathWatch.
+     */
+    void start() override;
+
+    /** @brief Run the watch callback method.
+     *
+     *  Watch callback interface implementation for PathWatch.
+     */
+    void callback(Context ctx) override;
+
+    /** @brief Run the watch callback method.
+     *
+     *  Watch callback interface implementation for PathWatch.
+     */
+    void callback(Context ctx, sdbusplus::message::message& msg) override;
+
+  protected:
+    /** @brief Path of the D-Bus object to watch for. */
+    const std::string& objectPath;
+
+    /** @brief Optional callback method. */
+    Callback& cb;
+
+    /** @brief The start method should only be invoked once. */
+    bool alreadyRan;
+};
+
+} // namespace monitoring
+} // namespace dbus
+} // namespace phosphor