diff --git a/raillabel/json_format/object.py b/raillabel/json_format/object.py
new file mode 100644
index 0000000..796cc22
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+++ b/raillabel/json_format/object.py
@@ -0,0 +1,30 @@
+# Copyright DB InfraGO AG and contributors
+# SPDX-License-Identifier: Apache-2.0
+
+from __future__ import annotations
+
+from pydantic import BaseModel
+
+from .element_data_pointer import JSONElementDataPointer
+from .frame_interval import JSONFrameInterval
+
+
+class JSONObject(BaseModel):
+    """An object is the main type of annotation element.
+
+    Object is designed to represent spatiotemporal entities, such as physical objects in the real
+    world. Objects shall have a name and type. Objects may have static and dynamic data. Objects
+    are the only type of elements that may have geometric data, such as bounding boxes, cuboids,
+    polylines, images, etc.
+    """
+
+    name: str
+    "Name of the object. It is a friendly name and not used for indexing."
+
+    type: str
+    "The type of an object defines the class the object corresponds to."
+
+    frame_intervals: list[JSONFrameInterval] | None
+    "The array of frame intervals where this object exists or is defined."
+
+    object_data_pointers: dict[str, JSONElementDataPointer] | None