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diff --git a/pylint/reporters/json_reporter.py b/pylint/reporters/json_reporter.py
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+++ b/pylint/reporters/json_reporter.py
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+# Copyright (c) 2014 Vlad Temian <vladtemian@gmail.com>
+# Copyright (c) 2015-2020 Claudiu Popa <pcmanticore@gmail.com>
+# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
+# Copyright (c) 2017 guillaume2 <guillaume.peillex@gmail.col>
+# Copyright (c) 2019-2021 Pierre Sassoulas <pierre.sassoulas@gmail.com>
+# Copyright (c) 2019 Hugo van Kemenade <hugovk@users.noreply.github.com>
+# Copyright (c) 2020 hippo91 <guillaume.peillex@gmail.com>
+# Copyright (c) 2020 Clément Pit-Claudel <cpitclaudel@users.noreply.github.com>
+# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com>
+
+# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
+
+"""JSON reporter"""
+import json
+from typing import TYPE_CHECKING, Optional
+
+from pylint.interfaces import IReporter
+from pylint.reporters.base_reporter import BaseReporter
+
+if TYPE_CHECKING:
+    from pylint.lint.pylinter import PyLinter
+    from pylint.reporters.ureports.nodes import Section
+
+
+class JSONReporter(BaseReporter):
+    """Report messages and layouts in JSON."""
+
+    __implements__ = IReporter
+    name = "json"
+    extension = "json"
+
+    def display_messages(self, layout: Optional["Section"]) -> None:
+        """Launch layouts display"""
+        json_dumpable = [
+            {
+                "type": msg.category,
+                "module": msg.module,
+                "obj": msg.obj,
+                "line": msg.line,
+                "column": msg.column,
+                "path": msg.path,
+                "symbol": msg.symbol,
+                "message": msg.msg or "",
+                "message-id": msg.msg_id,
+            }
+            for msg in self.messages
+        ]
+        print(json.dumps(json_dumpable, indent=4), file=self.out)
+
+    def display_reports(self, layout: "Section") -> None:
+        """Don't do anything in this reporter."""
+
+    def _display(self, layout: "Section") -> None:
+        """Do nothing."""
+
+
+def register(linter: "PyLinter") -> None:
+    """Register the reporter classes with the linter."""
+    linter.register_reporter(JSONReporter)