diff --git a/app/Resources/public/css/base.css b/app/Resources/public/css/base.css
index b7236dae45..7da7eb41f9 100644
--- a/app/Resources/public/css/base.css
+++ b/app/Resources/public/css/base.css
@@ -3266,6 +3266,10 @@ form .formw .freeze {
     font-weight: normal;
     font-size: 90%;
 }
+.label.origin-style {
+    font-weight: bold;
+    font-size: 75%;
+}
 
 .requirements td {
     padding: 5px;
diff --git a/main/inc/lib/PortfolioController.php b/main/inc/lib/PortfolioController.php
index 464f9a45d0..775e349e81 100644
--- a/main/inc/lib/PortfolioController.php
+++ b/main/inc/lib/PortfolioController.php
@@ -588,7 +588,7 @@ class PortfolioController
                         <div class="media-body">';
                 },
                 'childClose' => '</div></li>',
-                'nodeDecorator' => function ($node) use ($commentsRepo, $clockIcon) {
+                'nodeDecorator' => function ($node) use ($commentsRepo, $clockIcon, $item) {
                     /** @var PortfolioComment $comment */
                     $comment = $commentsRepo->find($node['id']);
 
@@ -615,7 +615,9 @@ class PortfolioController
                         )
                     );
 
-                    if (api_is_allowed_to_edit()) {
+                    $isAllowedToEdit = api_is_allowed_to_edit();
+
+                    if ($isAllowedToEdit) {
                         $commentActions .= Display::url(
                             Display::return_icon('copy.png', get_lang('CopyToStudentPortfolio')),
                             $this->baseUrl.http_build_query(
@@ -626,11 +628,47 @@ class PortfolioController
                                 ]
                             )
                         );
+
+                        if ($comment->isImportant()) {
+                            $commentActions .= Display::url(
+                                Display::return_icon('drawing-pin.png', get_lang('UnmarkCommentAsImportant')),
+                                $this->baseUrl.http_build_query(
+                                    [
+                                        'action' => 'mark_important',
+                                        'item' => $item->getId(),
+                                        'id' => $comment->getId(),
+                                    ]
+                                )
+                            );
+                        } else {
+                            $commentActions .= Display::url(
+                                Display::return_icon('drawing-pin.png', get_lang('MarkCommentAsImportant')),
+                                $this->baseUrl.http_build_query(
+                                    [
+                                        'action' => 'mark_important',
+                                        'item' => $item->getId(),
+                                        'id' => $comment->getId(),
+                                    ]
+                                )
+                            );
+                        }
+                    }
+
+                    $nodeHtml = '<p class="media-heading h4">'.PHP_EOL
+                        .$comment->getAuthor()->getCompleteName().'</>'.PHP_EOL.'<small>'.$clockIcon.PHP_EOL
+                        .Display::dateToStringAgoAndLongDate($comment->getDate()).'</small>'.PHP_EOL;
+
+                    if ($comment->isImportant() &&
+                        ($this->itemBelongToOwner($comment->getItem()) || $isAllowedToEdit)
+                    ) {
+                        $nodeHtml .= '<span class="label label-warning origin-style">'.get_lang('CommentMarkedAsImportant')
+                            .'</span>'.PHP_EOL;
                     }
 
-                    return '<p class="h4 media-heading">'.$comment->getAuthor()->getCompleteName().PHP_EOL.'<small>'
-                        .$clockIcon.PHP_EOL.Display::dateToStringAgoAndLongDate($comment->getDate()).'</small>'
-                        .'</p><div class="pull-right">'.$commentActions.'</div>'.$comment->getContent().PHP_EOL;
+                    $nodeHtml .= '</p>'.PHP_EOL
+                        .'<div class="pull-right">'.$commentActions.'</div>'.$comment->getContent().PHP_EOL;
+
+                    return $nodeHtml;
                 },
             ]
         );
@@ -890,6 +928,34 @@ class PortfolioController
         $this->renderView($content, $toolName);
     }
 
+    /**
+     * @param \Chamilo\CoreBundle\Entity\Portfolio        $item
+     * @param \Chamilo\CoreBundle\Entity\PortfolioComment $comment
+     *
+     * @throws \Doctrine\ORM\ORMException
+     * @throws \Doctrine\ORM\OptimisticLockException
+     */
+    public function markImportantCommentInItem(Portfolio $item, PortfolioComment $comment)
+    {
+        if ($comment->getItem()->getId() !== $item->getId()) {
+            api_not_allowed(true);
+        }
+
+        $comment->setIsImportant(
+            !$comment->isImportant()
+        );
+
+        $this->em->persist($comment);
+        $this->em->flush();
+
+        Display::addFlash(
+            Display::return_message(get_lang('CommentMarkedAsImportant'), 'success')
+        );
+
+        header("Location: $this->baseUrl".http_build_query(['action' => 'view', 'id' => $item->getId()]));
+        exit;
+    }
+
     /**
      * @param bool $showHeader
      */
@@ -935,14 +1001,6 @@ class PortfolioController
 
     private function itemBelongToOwner(Portfolio $item): bool
     {
-        if ($this->session && $item->getSession()->getId() != $this->session->getId()) {
-            return false;
-        }
-
-        if ($this->course && $item->getCourse()->getId() != $this->course->getId()) {
-            return false;
-        }
-
         if ($item->getUser()->getId() != $this->owner->getId()) {
             return false;
         }
diff --git a/main/install/configuration.dist.php b/main/install/configuration.dist.php
index d8967a3f01..60f5d1d5ae 100755
--- a/main/install/configuration.dist.php
+++ b/main/install/configuration.dist.php
@@ -920,7 +920,7 @@ ALTER TABLE portfolio ADD CONSTRAINT FK_A9ED1062613FECDF FOREIGN KEY (session_id
 ALTER TABLE portfolio ADD CONSTRAINT FK_A9ED106212469DE2 FOREIGN KEY (category_id) REFERENCES portfolio_category (id) ON DELETE SET NULL;
 ALTER TABLE portfolio_category ADD CONSTRAINT FK_7AC64359A76ED395 FOREIGN KEY (user_id) REFERENCES user (id);
 INSERT INTO settings_current(variable, subkey, type, category, selected_value, title, comment, scope, subkeytext, access_url_changeable) VALUES('course_create_active_tools','portfolio','checkbox','Tools','true','CourseCreateActiveToolsTitle','CourseCreateActiveToolsComment',NULL,'Portfolio', 0);
-CREATE TABLE portfolio_comment (id INT AUTO_INCREMENT NOT NULL, author_id INT NOT NULL, item_id INT NOT NULL, tree_root INT DEFAULT NULL, parent_id INT DEFAULT NULL, content LONGTEXT NOT NULL, date DATETIME NOT NULL, lft INT NOT NULL, lvl INT NOT NULL, rgt INT NOT NULL, INDEX IDX_C2C17DA2F675F31B (author_id), INDEX IDX_C2C17DA2126F525E (item_id), INDEX IDX_C2C17DA2A977936C (tree_root), INDEX IDX_C2C17DA2727ACA70 (parent_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8 COLLATE `utf8_unicode_ci` ENGINE = InnoDB;
+CREATE TABLE portfolio_comment (id INT AUTO_INCREMENT NOT NULL, author_id INT NOT NULL, item_id INT NOT NULL, tree_root INT DEFAULT NULL, parent_id INT DEFAULT NULL, content LONGTEXT NOT NULL, date DATETIME NOT NULL, is_important TINYINT(1) DEFAULT '0' NOT NULL, lft INT NOT NULL, lvl INT NOT NULL, rgt INT NOT NULL, INDEX IDX_C2C17DA2F675F31B (author_id), INDEX IDX_C2C17DA2126F525E (item_id), INDEX IDX_C2C17DA2A977936C (tree_root), INDEX IDX_C2C17DA2727ACA70 (parent_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8 COLLATE `utf8_unicode_ci` ENGINE = InnoDB;
 ALTER TABLE portfolio_comment ADD CONSTRAINT FK_C2C17DA2F675F31B FOREIGN KEY (author_id) REFERENCES user (id);
 ALTER TABLE portfolio_comment ADD CONSTRAINT FK_C2C17DA2126F525E FOREIGN KEY (item_id) REFERENCES portfolio (id);
 ALTER TABLE portfolio_comment ADD CONSTRAINT FK_C2C17DA2A977936C FOREIGN KEY (tree_root) REFERENCES portfolio_comment (id) ON DELETE CASCADE;
diff --git a/main/portfolio/index.php b/main/portfolio/index.php
index 73cd769f31..19674e219e 100755
--- a/main/portfolio/index.php
+++ b/main/portfolio/index.php
@@ -159,6 +159,21 @@ switch ($action) {
         }
 
         break;
+    case 'mark_important':
+        if (!api_is_allowed_to_edit()) {
+            api_not_allowed(true);
+            break;
+        }
+
+        $item = $em->find(Portfolio::class, $httpRequest->query->getInt('item'));
+        $comment = $em->find(PortfolioComment::class, $httpRequest->query->getInt('id'));
+
+        if (empty($item) || empty($comment)) {
+            break;
+        }
+
+        $controller->markImportantCommentInItem($item, $comment);
+        return;
     case 'list':
     default:
         $controller->index();
diff --git a/src/Chamilo/CoreBundle/Entity/PortfolioComment.php b/src/Chamilo/CoreBundle/Entity/PortfolioComment.php
index 1c453a6c6d..27e6164f8e 100644
--- a/src/Chamilo/CoreBundle/Entity/PortfolioComment.php
+++ b/src/Chamilo/CoreBundle/Entity/PortfolioComment.php
@@ -56,6 +56,12 @@ class PortfolioComment
      * @ORM\Column(name="date", type="datetime")
      */
     private $date;
+    /**
+     * @var bool
+     *
+     * @ORM\Column(name="is_important", type="boolean", options={"default":false})
+     */
+    private $isImportant;
     /**
      * @var int
      *
@@ -106,6 +112,7 @@ class PortfolioComment
      */
     public function __construct()
     {
+        $this->isImportant = false;
         $this->children = new ArrayCollection();
     }
 
@@ -197,4 +204,20 @@ class PortfolioComment
 
         return $this;
     }
+
+    /**
+     * @return bool
+     */
+    public function isImportant(): bool
+    {
+        return $this->isImportant;
+    }
+
+    /**
+     * @param bool $isImportant
+     */
+    public function setIsImportant(bool $isImportant): void
+    {
+        $this->isImportant = $isImportant;
+    }
 }