diff --git a/frontend/src/component/user/Profile/PersonalAPITokensTab/PersonalAPITokensTab.tsx b/frontend/src/component/user/Profile/PersonalAPITokensTab/PersonalAPITokensTab.tsx
index 21f93a7268..83591d76b8 100644
--- a/frontend/src/component/user/Profile/PersonalAPITokensTab/PersonalAPITokensTab.tsx
+++ b/frontend/src/component/user/Profile/PersonalAPITokensTab/PersonalAPITokensTab.tsx
@@ -19,6 +19,7 @@ import { DateCell } from 'component/common/Table/cells/DateCell/DateCell';
 import { HighlightCell } from 'component/common/Table/cells/HighlightCell/HighlightCell';
 import { TextCell } from 'component/common/Table/cells/TextCell/TextCell';
 import { SearchHighlightProvider } from 'component/common/Table/SearchHighlightContext/SearchHighlightContext';
+import { PAT_LIMIT } from '@server/util/constants';
 import { usePersonalAPITokens } from 'hooks/api/getters/usePersonalAPITokens/usePersonalAPITokens';
 import { useSearch } from 'hooks/useSearch';
 import {
@@ -250,6 +251,7 @@ export const PersonalAPITokensTab = ({ user }: IPersonalAPITokensTabProps) => {
                             <Button
                                 variant="contained"
                                 color="primary"
+                                disabled={tokens.length >= PAT_LIMIT}
                                 onClick={() => setCreateOpen(true)}
                             >
                                 New token
diff --git a/frontend/tsconfig.json b/frontend/tsconfig.json
index 08af1d2dfd..950b439e6a 100644
--- a/frontend/tsconfig.json
+++ b/frontend/tsconfig.json
@@ -2,11 +2,7 @@
   "compilerOptions": {
     "baseUrl": "./src",
     "target": "esnext",
-    "lib": [
-      "dom",
-      "dom.iterable",
-      "esnext"
-    ],
+    "lib": ["dom", "dom.iterable", "esnext"],
     "allowJs": true,
     "skipLibCheck": true,
     "esModuleInterop": true,
@@ -19,10 +15,11 @@
     "isolatedModules": true,
     "noEmit": true,
     "jsx": "react-jsx",
-    "strict": true
+    "strict": true,
+    "paths": {
+      "@server/*": ["./../../src/lib/*"]
+    }
   },
-  "include": [
-    "src"
-  ],
+  "include": ["src"],
   "references": [{ "path": "./tsconfig.node.json" }]
 }
diff --git a/src/lib/db/pat-store.ts b/src/lib/db/pat-store.ts
index 29a1ed11c3..91b9c490c3 100644
--- a/src/lib/db/pat-store.ts
+++ b/src/lib/db/pat-store.ts
@@ -87,6 +87,15 @@ export default class PatStore implements IPatStore {
         return present;
     }
 
+    async countByUser(userId: number): Promise<number> {
+        const result = await this.db.raw(
+            `SELECT COUNT(*) AS count FROM ${TABLE} WHERE user_id = ?`,
+            [userId],
+        );
+        const { count } = result.rows[0];
+        return count;
+    }
+
     async get(id: number): Promise<Pat> {
         const row = await this.db(TABLE).where({ id }).first();
         return fromRow(row);
diff --git a/src/lib/services/pat-service.ts b/src/lib/services/pat-service.ts
index 9eb94add10..a26af6d317 100644
--- a/src/lib/services/pat-service.ts
+++ b/src/lib/services/pat-service.ts
@@ -8,6 +8,8 @@ import crypto from 'crypto';
 import User from '../types/user';
 import BadDataError from '../error/bad-data-error';
 import NameExistsError from '../error/name-exists-error';
+import { OperationDeniedError } from '../error/operation-denied-error';
+import { PAT_LIMIT } from '../util/constants';
 
 export default class PatService {
     private config: IUnleashConfig;
@@ -67,6 +69,12 @@ export default class PatService {
             throw new BadDataError('The expiry date should be in future.');
         }
 
+        if ((await this.patStore.countByUser(userId)) >= PAT_LIMIT) {
+            throw new OperationDeniedError(
+                `Too many PATs (${PAT_LIMIT}) already exist for this user.`,
+            );
+        }
+
         if (
             await this.patStore.existsWithDescriptionByUser(description, userId)
         ) {
diff --git a/src/lib/types/stores/pat-store.ts b/src/lib/types/stores/pat-store.ts
index 2f4a44afca..1af43f6ce5 100644
--- a/src/lib/types/stores/pat-store.ts
+++ b/src/lib/types/stores/pat-store.ts
@@ -9,4 +9,5 @@ export interface IPatStore extends Store<IPat, number> {
         description: string,
         userId: number,
     ): Promise<boolean>;
+    countByUser(userId: number): Promise<number>;
 }
diff --git a/src/lib/util/constants.ts b/src/lib/util/constants.ts
index 18ed7d2e48..ebfd409cef 100644
--- a/src/lib/util/constants.ts
+++ b/src/lib/util/constants.ts
@@ -55,3 +55,5 @@ export const STRING_OPERATORS = [
 export const NUM_OPERATORS = [NUM_EQ, NUM_GT, NUM_GTE, NUM_LT, NUM_LTE];
 export const DATE_OPERATORS = [DATE_AFTER, DATE_BEFORE];
 export const SEMVER_OPERATORS = [SEMVER_EQ, SEMVER_GT, SEMVER_LT];
+
+export const PAT_LIMIT = 10;
diff --git a/src/test/e2e/api/admin/user/pat.e2e.test.ts b/src/test/e2e/api/admin/user/pat.e2e.test.ts
index a58bf4aab6..e21402c322 100644
--- a/src/test/e2e/api/admin/user/pat.e2e.test.ts
+++ b/src/test/e2e/api/admin/user/pat.e2e.test.ts
@@ -3,6 +3,7 @@ import dbInit, { ITestDb } from '../../../helpers/database-init';
 import getLogger from '../../../../fixtures/no-logger';
 import { IPat } from '../../../../../lib/types/models/pat';
 import { IPatStore } from '../../../../../lib/types/stores/pat-store';
+import { PAT_LIMIT } from '../../../../../lib/util/constants';
 
 let app: IUnleashTest;
 let db: ITestDb;
@@ -269,3 +270,36 @@ test('should not get user with expired token', async () => {
         .set('Authorization', token.secret)
         .expect(401);
 });
+
+test('should fail creation of PAT when PAT limit has been reached', async () => {
+    await app.request
+        .post(`/auth/demo/login`)
+        .send({
+            email: 'user-too-many-pats@getunleash.io',
+        })
+        .expect(200);
+
+    const tokenCreations = [];
+    for (let i = 0; i < PAT_LIMIT; i++) {
+        tokenCreations.push(
+            await app.request
+                .post('/api/admin/user/tokens')
+                .send({
+                    description: `my pat ${i}`,
+                    expiresAt: tomorrow,
+                } as IPat)
+                .set('Content-Type', 'application/json')
+                .expect(201),
+        );
+    }
+    await Promise.all(tokenCreations);
+
+    await app.request
+        .post('/api/admin/user/tokens')
+        .send({
+            description: `my pat ${PAT_LIMIT}`,
+            expiresAt: tomorrow,
+        } as IPat)
+        .set('Content-Type', 'application/json')
+        .expect(403);
+});
diff --git a/src/test/fixtures/fake-pat-store.ts b/src/test/fixtures/fake-pat-store.ts
index 951b6745b8..e72f96d414 100644
--- a/src/test/fixtures/fake-pat-store.ts
+++ b/src/test/fixtures/fake-pat-store.ts
@@ -27,6 +27,10 @@ export default class FakePatStore implements IPatStore {
         throw new Error('Method not implemented.');
     }
 
+    countByUser(userId: number): Promise<number> {
+        throw new Error('Method not implemented.');
+    }
+
     get(key: number): Promise<IPat> {
         throw new Error('Method not implemented.');
     }