diff --git a/apps/dav/lib/comments/entitycollection.php b/apps/dav/lib/comments/entitycollection.php
index 0cc5526c52..a55a18c00c 100644
--- a/apps/dav/lib/comments/entitycollection.php
+++ b/apps/dav/lib/comments/entitycollection.php
@@ -25,7 +25,9 @@ use OCP\Comments\ICommentsManager;
 use OCP\Files\Folder;
 use OCP\ILogger;
 use OCP\IUserManager;
+use OCP\IUserSession;
 use Sabre\DAV\Exception\NotFound;
+use Sabre\DAV\PropPatch;
 
 /**
  * Class EntityCollection
@@ -35,7 +37,9 @@ use Sabre\DAV\Exception\NotFound;
  *
  * @package OCA\DAV\Comments
  */
-class EntityCollection extends RootCollection {
+class EntityCollection extends RootCollection implements \Sabre\DAV\IProperties {
+	const PROPERTY_NAME_READ_MARKER  = '{http://owncloud.org/ns}readMarker';
+
 	/** @var  Folder */
 	protected $fileRoot;
 
@@ -159,5 +163,37 @@ class EntityCollection extends RootCollection {
 			return false;
 		}
 	}
+
+	/**
+	 * Sets the read marker to the specified date for the logged in user
+	 *
+	 * @param \DateTime $value
+	 * @return bool
+	 */
+	public function setReadMarker($value) {
+		$dateTime = new \DateTime($value);
+		$user = $this->userSession->getUser();
+		$this->commentsManager->setReadMark($this->name, $this->id, $dateTime, $user);
+		return true;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	function propPatch(PropPatch $propPatch) {
+		$propPatch->handle(self::PROPERTY_NAME_READ_MARKER, [$this, 'setReadMarker']);
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	function getProperties($properties) {
+		$marker = null;
+		$user = $this->userSession->getUser();
+		if(!is_null($user)) {
+			$marker = $this->commentsManager->getReadMark($this->name, $this->id, $user);
+		}
+		return [self::PROPERTY_NAME_READ_MARKER => $marker];
+	}
 }
 
diff --git a/apps/dav/tests/unit/comments/entitycollection.php b/apps/dav/tests/unit/comments/entitycollection.php
index 81442c7a87..5bf155f12b 100644
--- a/apps/dav/tests/unit/comments/entitycollection.php
+++ b/apps/dav/tests/unit/comments/entitycollection.php
@@ -28,6 +28,7 @@ class EntityCollection extends \Test\TestCase {
 	protected $userManager;
 	protected $logger;
 	protected $collection;
+	protected $userSession;
 
 	public function setUp() {
 		parent::setUp();
@@ -35,6 +36,7 @@ class EntityCollection extends \Test\TestCase {
 		$this->commentsManager = $this->getMock('\OCP\Comments\ICommentsManager');
 		$this->folder = $this->getMock('\OCP\Files\Folder');
 		$this->userManager = $this->getMock('\OCP\IUserManager');
+		$this->userSession = $this->getMock('\OCP\IUserSession');
 		$this->logger = $this->getMock('\OCP\ILogger');
 
 		$this->collection = new \OCA\DAV\Comments\EntityCollection(
@@ -43,6 +45,7 @@ class EntityCollection extends \Test\TestCase {
 			$this->commentsManager,
 			$this->folder,
 			$this->userManager,
+			$this->userSession,
 			$this->logger
 		);
 	}
diff --git a/apps/dav/tests/unit/comments/entitytypecollection.php b/apps/dav/tests/unit/comments/entitytypecollection.php
index e8a88c4e2c..f3aa2dbd71 100644
--- a/apps/dav/tests/unit/comments/entitytypecollection.php
+++ b/apps/dav/tests/unit/comments/entitytypecollection.php
@@ -30,6 +30,7 @@ class EntityTypeCollection extends \Test\TestCase {
 	protected $userManager;
 	protected $logger;
 	protected $collection;
+	protected $userSession;
 
 	public function setUp() {
 		parent::setUp();
@@ -37,6 +38,7 @@ class EntityTypeCollection extends \Test\TestCase {
 		$this->commentsManager = $this->getMock('\OCP\Comments\ICommentsManager');
 		$this->folder = $this->getMock('\OCP\Files\Folder');
 		$this->userManager = $this->getMock('\OCP\IUserManager');
+		$this->userSession = $this->getMock('\OCP\IUserSession');
 		$this->logger = $this->getMock('\OCP\ILogger');
 
 		$this->collection = new \OCA\DAV\Comments\EntityTypeCollection(
@@ -44,6 +46,7 @@ class EntityTypeCollection extends \Test\TestCase {
 			$this->commentsManager,
 			$this->folder,
 			$this->userManager,
+			$this->userSession,
 			$this->logger
 		);
 	}