diff --git a/app/Http/Controllers/Invoices/DuplicationController.php b/app/Http/Controllers/Invoices/DuplicationController.php
new file mode 100644
index 0000000..4469ec0
--- /dev/null
+++ b/app/Http/Controllers/Invoices/DuplicationController.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Http\Controllers\Invoices;
+
+use App\Entities\Invoices\Invoice;
+use App\Http\Controllers\Controller;
+use App\Services\InvoiceDrafts\Item;
+use App\Services\InvoiceDrafts\InvoiceDraft;
+use App\Services\InvoiceDrafts\InvoiceDraftCollection;
+
+class DuplicationController extends Controller
+{
+    private $draftCollection;
+
+    public function __construct()
+    {
+        $this->draftCollection = new InvoiceDraftCollection();
+    }
+
+    public function store(Invoice $invoice)
+    {
+        $draft = new InvoiceDraft();
+        $this->draftCollection->add($draft);
+
+        foreach ($invoice->items as $existingItem) {
+            $item = new Item(['description' => $existingItem['description'], 'amount' => $existingItem['amount']]);
+            $this->draftCollection->addItemToDraft($draft->draftKey, $item);
+        }
+        $draft->date = today()->format('Y-m-d');
+        $draft->projectId = $invoice->project_id;
+        $draft->notes = $invoice->notes;
+
+        return redirect()->route('invoice-drafts.show', $draft->draftKey);
+    }
+}
diff --git a/resources/lang/de/invoice.php b/resources/lang/de/invoice.php
index 326aa29..9c262e9 100644
--- a/resources/lang/de/invoice.php
+++ b/resources/lang/de/invoice.php
@@ -22,6 +22,7 @@ return [
     'save'                => 'Rechnung speichern',
     'created'             => 'Neue Rechnung wurde erstellt.',
     'show'                => 'Rechnungsdetails',
+    'duplicate'           => 'Duplicate Invoice',
     'edit'                => 'Rechnung bearbeiten',
     'update'              => 'Rechnung aktualisieren',
     'updated'             => 'Rechnungsdetails wurden aktualisiert.',
diff --git a/resources/lang/en/invoice.php b/resources/lang/en/invoice.php
index af86676..504d8d8 100644
--- a/resources/lang/en/invoice.php
+++ b/resources/lang/en/invoice.php
@@ -22,6 +22,7 @@ return [
     'save'                => 'Save Invoice',
     'created'             => 'New Invoice has been created.',
     'show'                => 'View Invoice Detail',
+    'duplicate'           => 'Duplicate Invoice',
     'edit'                => 'Edit Invoice',
     'update'              => 'Update Invoice',
     'updated'             => 'Invoice data has been updated.',
diff --git a/resources/lang/id/invoice.php b/resources/lang/id/invoice.php
index a73f957..4cb5211 100644
--- a/resources/lang/id/invoice.php
+++ b/resources/lang/id/invoice.php
@@ -22,6 +22,7 @@ return [
     'save'                => 'Simpan Invoice',
     'created'             => 'Input Invoice baru telah berhasil.',
     'show'                => 'Lihat Detail Invoice',
+    'duplicate'           => 'Duplikat Invoice',
     'edit'                => 'Edit Invoice',
     'update'              => 'Update Invoice',
     'updated'             => 'Update data Invoice telah berhasil.',
diff --git a/resources/views/invoices/show.blade.php b/resources/views/invoices/show.blade.php
index 6bb50c2..d79a8f3 100644
--- a/resources/views/invoices/show.blade.php
+++ b/resources/views/invoices/show.blade.php
@@ -5,6 +5,7 @@
 @section('content')
 <h1 class="page-header">
     <div class="pull-right">
+        {!! FormField::formButton(['route' => ['invoices.duplication.store', $invoice]], __('invoice.duplicate'), ['class' => 'btn btn-default']) !!}
         {{ link_to_route('invoices.edit', trans('invoice.edit'), [$invoice], ['class' => 'btn btn-warning']) }}
         {{ link_to_route('invoices.pdf', trans('invoice.print'), [$invoice], ['class' => 'btn btn-default']) }}
         {{ link_to_route('projects.invoices', trans('invoice.back_to_project'), [$invoice->project_id], ['class' => 'btn btn-default']) }}
diff --git a/routes/web/invoices.php b/routes/web/invoices.php
index f8d6b82..e4e831f 100644
--- a/routes/web/invoices.php
+++ b/routes/web/invoices.php
@@ -28,4 +28,9 @@ Route::group(['middleware' => ['web', 'role:admin'], 'namespace' => 'Invoices'],
     Route::post('invoices/{invoice}/items', ['as' => 'invoices.items.store', 'uses' => 'ItemsController@store']);
     Route::patch('invoices/{invoice}/items', ['as' => 'invoices.items.update', 'uses' => 'ItemsController@update']);
     Route::delete('invoices/{invoice}/items', ['as' => 'invoices.items.destroy', 'uses' => 'ItemsController@destroy']);
+
+    /*
+     * Invoice Duplication Route
+     */
+    Route::post('invoices/{invoice}/duplicate', ['as' => 'invoices.duplication.store', 'uses' => 'DuplicationController@store']);
 });
diff --git a/tests/Feature/Invoices/InvoiceDuplicateTest.php b/tests/Feature/Invoices/InvoiceDuplicateTest.php
new file mode 100644
index 0000000..b518e82
--- /dev/null
+++ b/tests/Feature/Invoices/InvoiceDuplicateTest.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Tests\Feature\Invoices;
+
+use Tests\TestCase;
+use App\Entities\Invoices\Invoice;
+use App\Services\InvoiceDrafts\InvoiceDraftCollection;
+
+/**
+ * Invoice Duplicate Feature Test.
+ *
+ * @author Nafies Luthfi <nafiesl@gmail.com>
+ */
+class InvoiceDuplicateTest extends TestCase
+{
+    /** @test */
+    public function user_can_create_invoice_draft_by_duplicate_existing_invoice()
+    {
+        $this->adminUserSigningIn();
+        $invoice = factory(Invoice::class)->create([
+            'items' => [
+                [
+                    'description' => 'Item 1 description',
+                    'amount'      => 100000,
+                ],
+                [
+                    'description' => 'Item 1 description',
+                    'amount'      => 150000,
+                ],
+            ],
+        ]);
+        $this->visit(route('invoices.show', $invoice));
+
+        $this->press(trans('invoice.duplicate'));
+        $invoiceDrafts = new InvoiceDraftCollection();
+        $draft = $invoiceDrafts->content()->last();
+        $this->seePageIs(route('invoice-drafts.show', $draft->draftKey));
+    }
+}