diff --git a/README.md b/README.md
index e84cfc5e5..a8fc5d7bd 100644
--- a/README.md
+++ b/README.md
@@ -22332,6 +22332,39 @@ function quux () {}
 function quux () {}
 // Settings: {"jsdoc":{"mode":"closure"}}
 // Message: Syntax error in supresss type: blah
+
+/**
+ * @param {Object[]} employees
+ * @param {string} employees[.name - The name of an employee.
+ */
+function quux () {}
+// Message: Invalid name: unpaired brackets
+
+/**
+ * @param {Object[]} employees
+ * @param {string} [] - The name of an employee.
+ */
+function quux () {}
+// Message: Invalid name: empty name
+
+/**
+ * @param {Object[]} employees
+ * @param {string} [] - The name of an employee.
+ */
+function quux () {}
+// Message: Invalid name: empty name
+
+/**
+ * @param {string} [name=] - The name of an employee.
+ */
+function quux () {}
+// Message: Invalid name: empty default value
+
+/**
+ * @param {string} [name==] - The name of an employee.
+ */
+function quux () {}
+// Message: Invalid name: invalid default value syntax
 ````
 
 The following patterns are not considered problems:
@@ -22663,6 +22696,18 @@ function quux() {
  */
 function quux ( id, options ) {
 }
+
+
+/**
+ * Assign the project to a list of employees.
+ * @param {Object[]} employees - The employees who are responsible for the project.
+ * @param {string} employees[].name - The name of an employee.
+ * @param {string} employees[].department - The employee's department.
+ */
+function assign(employees) {
+  // ...
+}
+// "jsdoc/valid-types": ["error"|"warn", {"allowEmptyNamepaths":true,"checkSeesForNamepaths":false}]
 ````
 
 
diff --git a/src/rules/noUndefinedTypes.js b/src/rules/noUndefinedTypes.js
index 77ba8d9d9..5dcc64d62 100644
--- a/src/rules/noUndefinedTypes.js
+++ b/src/rules/noUndefinedTypes.js
@@ -19,8 +19,8 @@ const extraTypes = [
   'Array', 'Object', 'RegExp', 'Date', 'Function',
 ];
 
-// https://www.typescriptlang.org/docs/handbook/utility-types.html
 const typescriptGlobals = [
+  // https://www.typescriptlang.org/docs/handbook/utility-types.html
   'Partial',
   'Required',
   'Readonly',
diff --git a/src/rules/validTypes.js b/src/rules/validTypes.js
index b3c77889c..e4569991b 100644
--- a/src/rules/validTypes.js
+++ b/src/rules/validTypes.js
@@ -158,6 +158,16 @@ export default iterateJsdoc(({
       return true;
     };
 
+    if (tag.problems.length) {
+      const msg = tag.problems.reduce((str, {
+        message,
+      }) => {
+        return str + '; ' + message;
+      }, '').slice(2);
+      report(`Invalid name: ${msg}`, null, tag);
+      continue;
+    }
+
     if (tag.tag === 'borrows') {
       const thisNamepath = utils.getTagDescription(tag).replace(asExpression, '')
         .trim();
diff --git a/test/rules/assertions/validTypes.js b/test/rules/assertions/validTypes.js
index 072d4fef5..5feb20b4e 100644
--- a/test/rules/assertions/validTypes.js
+++ b/test/rules/assertions/validTypes.js
@@ -974,6 +974,84 @@ export default {
       ],
       ignoreReadme: true,
     },
+    {
+      code: `
+      /**
+       * @param {Object[]} employees
+       * @param {string} employees[.name - The name of an employee.
+       */
+      function quux () {}
+
+      `,
+      errors: [
+        {
+          line: 4,
+          message: 'Invalid name: unpaired brackets',
+        },
+      ],
+    },
+    {
+      code: `
+      /**
+       * @param {Object[]} employees
+       * @param {string} [] - The name of an employee.
+       */
+      function quux () {}
+
+      `,
+      errors: [
+        {
+          line: 4,
+          message: 'Invalid name: empty name',
+        },
+      ],
+    },
+    {
+      code: `
+      /**
+       * @param {Object[]} employees
+       * @param {string} [] - The name of an employee.
+       */
+      function quux () {}
+
+      `,
+      errors: [
+        {
+          line: 4,
+          message: 'Invalid name: empty name',
+        },
+      ],
+    },
+    {
+      code: `
+      /**
+       * @param {string} [name=] - The name of an employee.
+       */
+      function quux () {}
+
+      `,
+      errors: [
+        {
+          line: 3,
+          message: 'Invalid name: empty default value',
+        },
+      ],
+    },
+    {
+      code: `
+      /**
+       * @param {string} [name==] - The name of an employee.
+       */
+      function quux () {}
+
+      `,
+      errors: [
+        {
+          line: 3,
+          message: 'Invalid name: invalid default value syntax',
+        },
+      ],
+    },
   ],
   valid: [
     {
@@ -1619,5 +1697,25 @@ export default {
       `,
       ignoreReadme: true,
     },
+    {
+      code: `
+
+      /**
+       * Assign the project to a list of employees.
+       * @param {Object[]} employees - The employees who are responsible for the project.
+       * @param {string} employees[].name - The name of an employee.
+       * @param {string} employees[].department - The employee's department.
+       */
+      function assign(employees) {
+        // ...
+      }
+      `,
+      options: [
+        {
+          allowEmptyNamepaths: true,
+          checkSeesForNamepaths: false,
+        },
+      ],
+    },
   ],
 };