diff --git a/owners/src/main/java/com/googlesource/gerrit/owners/restapi/GetFilesOwners.java b/owners/src/main/java/com/googlesource/gerrit/owners/restapi/GetFilesOwners.java
index b2d7458..9030bfc 100644
--- a/owners/src/main/java/com/googlesource/gerrit/owners/restapi/GetFilesOwners.java
+++ b/owners/src/main/java/com/googlesource/gerrit/owners/restapi/GetFilesOwners.java
@@ -18,6 +18,7 @@
 import com.google.common.collect.Maps;
 import com.google.gerrit.entities.Account;
 import com.google.gerrit.entities.Change;
+import com.google.gerrit.entities.LabelId;
 import com.google.gerrit.entities.PatchSet;
 import com.google.gerrit.entities.Project;
 import com.google.gerrit.extensions.api.GerritApi;
@@ -90,6 +91,13 @@
       throws AuthException, BadRequestException, ResourceConflictException, Exception {
     PatchSet ps = revision.getPatchSet();
     Change change = revision.getChange();
+    short codeReviewMaxValue =
+        revision
+            .getChangeResource()
+            .getChangeData()
+            .getLabelTypes()
+            .byLabel(LabelId.CODE_REVIEW)
+            .getMaxPositive();
     int id = revision.getChangeResource().getChange().getChangeId();
 
     List<Project.NameKey> projectParents =
@@ -112,24 +120,55 @@
               patchList,
               pluginSettings.expandGroups());
 
+      Map<String, Set<GroupOwner>> fileExpandedOwners =
+          Maps.transformValues(
+              owners.getFileOwners(),
+              ids ->
+                  ids.stream()
+                      .map(this::getOwnerFromAccountId)
+                      .flatMap(Optional::stream)
+                      .collect(Collectors.toSet()));
+
       Map<String, Set<GroupOwner>> fileToOwners =
           pluginSettings.expandGroups()
-              ? Maps.transformValues(
-                  owners.getFileOwners(),
-                  ids ->
-                      ids.stream()
-                          .map(this::getOwnerFromAccountId)
-                          .flatMap(Optional::stream)
-                          .collect(Collectors.toSet()))
+              ? fileExpandedOwners
               : Maps.transformValues(
                   owners.getFileGroupOwners(),
                   groupNames ->
                       groupNames.stream().map(GroupOwner::new).collect(Collectors.toSet()));
 
-      return Response.ok(new FilesOwnersResponse(getLabels(id), fileToOwners));
+      Map<Integer, Map<String, Integer>> ownersLabels = getLabels(id);
+
+      Map<String, Set<GroupOwner>> filesWithPendingOwners =
+          Maps.filterEntries(
+              fileToOwners,
+              (fileOwnerEntry) ->
+                  !isApprovedByOwner(
+                      fileExpandedOwners.get(fileOwnerEntry.getKey()),
+                      ownersLabels,
+                      codeReviewMaxValue));
+
+      return Response.ok(new FilesOwnersResponse(ownersLabels, filesWithPendingOwners));
     }
   }
 
+  private boolean isApprovedByOwner(
+      Set<GroupOwner> fileOwners,
+      Map<Integer, Map<String, Integer>> ownersLabels,
+      short codeReviewMaxValue) {
+    return fileOwners.stream()
+        .filter(owner -> owner instanceof Owner)
+        .map(owner -> ((Owner) owner).getId())
+        .map(ownerId -> codeReviewLabelValue(ownersLabels, ownerId))
+        .anyMatch(value -> value.filter(v -> v == codeReviewMaxValue).isPresent());
+  }
+
+  private Optional<Integer> codeReviewLabelValue(
+      Map<Integer, Map<String, Integer>> ownersLabels, int ownerId) {
+    return Optional.ofNullable(ownersLabels.get(ownerId))
+        .flatMap(m -> Optional.ofNullable(m.get(LabelId.CODE_REVIEW)));
+  }
+
   /**
    * This method returns ta Map representing the "owners_labels" object of the response. When
    * serialized the Map, has to to return the following JSON: the following JSON:
diff --git a/owners/src/main/resources/Documentation/rest-api.md b/owners/src/main/resources/Documentation/rest-api.md
index 4fb4285..68fb463 100644
--- a/owners/src/main/resources/Documentation/rest-api.md
+++ b/owners/src/main/resources/Documentation/rest-api.md
@@ -1,7 +1,7 @@
 # Rest API
 
-The @PLUGIN@ exposes a Rest API endpoint to list the owners associated to each file and, for each owner,
-its associated labels and votes:
+The @PLUGIN@ exposes a Rest API endpoint to list the owners associated to each file that
+needs a review, and, for each owner, its current labels and votes:
 
 ```bash
 GET /changes/{change-id}/revisions/{revision-id}/owners~files-owners
@@ -29,4 +29,7 @@
   }
 }
 
-```
\ No newline at end of file
+```
+
+> __NOTE__: The API does not work in the case when custom label is in
+> rules.pl configuration as described in [the config.md docs](https://gerrit.googlesource.com/plugins/owners/+/refs/heads/stable-3.4/owners/src/main/resources/Documentation/config.md#example-3-owners-file-without-matchers-and-custom-owner_approves-label)
\ No newline at end of file
diff --git a/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersIT.java b/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersIT.java
index e79f156..a6d7276 100644
--- a/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersIT.java
+++ b/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersIT.java
@@ -17,7 +17,6 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import com.google.common.collect.ImmutableMap;
 import com.google.gerrit.acceptance.GitUtil;
 import com.google.gerrit.acceptance.LightweightPluginDaemonTest;
 import com.google.gerrit.acceptance.PushOneCommit.Result;
@@ -98,7 +97,21 @@
   }
 
   @Test
-  public void shouldReturnOwnersLabels() throws Exception {
+  public void shouldReturnOwnersLabelsWhenNotApprovedByOwners() throws Exception {
+    addOwnerFileToRoot(true);
+    String changeId = createChange().getChangeId();
+
+    Response<FilesOwnersResponse> resp =
+        assertResponseOk(ownersApi.apply(parseCurrentRevisionResource(changeId)));
+
+    assertThat(resp.value().files)
+        .containsExactly("a.txt", Sets.newHashSet(new Owner(admin.fullName(), admin.id().get())));
+
+    assertThat(resp.value().ownersLabels).isEmpty();
+  }
+
+  @Test
+  public void shouldReturnEmptyResponseWhenApprovedByOwners() throws Exception {
     addOwnerFileToRoot(true);
     String changeId = createChange().getChangeId();
     approve(changeId);
@@ -106,8 +119,7 @@
     Response<FilesOwnersResponse> resp =
         assertResponseOk(ownersApi.apply(parseCurrentRevisionResource(changeId)));
 
-    assertThat(resp.value().ownersLabels)
-        .containsExactly(admin.id().get(), ImmutableMap.builder().put("Code-Review", 2).build());
+    assertThat(resp.value().files).isEmpty();
   }
 
   @Test
@@ -125,6 +137,20 @@
 
   @Test
   @GlobalPluginConfig(pluginName = "owners", name = "owners.expandGroups", value = "false")
+  public void shouldReturnEmptyResponseWhenApprovedByOwnersWithUnexpandedFileOwners()
+      throws Exception {
+    addOwnerFileToRoot(true);
+    String changeId = createChange().getChangeId();
+    approve(changeId);
+
+    Response<FilesOwnersResponse> resp =
+        assertResponseOk(ownersApi.apply(parseCurrentRevisionResource(changeId)));
+
+    assertThat(resp.value().files).isEmpty();
+  }
+
+  @Test
+  @GlobalPluginConfig(pluginName = "owners", name = "owners.expandGroups", value = "false")
   public void shouldReturnResponseWithUnexpandedFileMatchersOwners() throws Exception {
     addOwnerFileWithMatchersToRoot(true);
     String changeId = createChange().getChangeId();