diff --git a/client/cypress/integration/frontend/modules/custom-content-block.spec.js b/client/cypress/integration/frontend/modules/custom-content-block.spec.js
index 21bf98c8..d569de30 100644
--- a/client/cypress/integration/frontend/modules/custom-content-block.spec.js
+++ b/client/cypress/integration/frontend/modules/custom-content-block.spec.js
@@ -61,6 +61,14 @@ describe('Custom Content Block', () => {
     cy.log('Opening More Menu');
     cy.getByDataCy('more-options-link').click();
 
+    cy.log('Duplicating Content Block');
+    cy.getByDataCy('duplicate-content-block-link').click();
+
+    cy.get('.content-block').should('have.length', 2);
+
+    cy.log('Opening More Menu');
+    cy.getByDataCy('more-options-link').click();
+
     // check if content block is still there
     cy.log('Deleting Content Block');
     cy.getByDataCy('delete-content-block-link').click();
diff --git a/client/src/components/ContentBlock.vue b/client/src/components/ContentBlock.vue
index 77cd254f..2fabf50b 100644
--- a/client/src/components/ContentBlock.vue
+++ b/client/src/components/ContentBlock.vue
@@ -11,14 +11,27 @@
     >
       <div
         class="block-actions"
-        v-if="canEditContentBlock && editMode"
+        v-if="canEditModule"
       >
         <user-widget
           v-bind="me"
           class="block-actions__user-widget content-block__user-widget"
+          v-if="isMine"
         />
         <more-options-widget>
-          <li class="popover-links__link">
+          <li
+            class="popover-links__link"
+          >
+            <popover-link
+              data-cy="duplicate-content-block-link"
+              text="Duplizieren"
+              @link-action="duplicateContentBlock(contentBlock)"
+            />
+          </li>
+          <li
+            class="popover-links__link"
+            v-if="isMine"
+          >
             <popover-link
               data-cy="delete-content-block-link"
               text="Löschen"
@@ -26,7 +39,10 @@
             />
           </li>
 
-          <li class="popover-links__link">
+          <li
+            class="popover-links__link"
+            v-if="isMine"
+          >
             <popover-link
               text="Bearbeiten"
               @link-action="editContentBlock(contentBlock)"
@@ -83,13 +99,14 @@
 
   import CHAPTER_QUERY from '@/graphql/gql/queries/chapterQuery.gql';
   import DELETE_CONTENT_BLOCK_MUTATION from '@/graphql/gql/mutations/deleteContentBlock.gql';
+  import DUPLICATE_CONTENT_BLOCK_MUTATION from '@/graphql/gql/mutations/duplicateContentBlock.gql';
 
   import me from '@/mixins/me';
 
   import {hidden} from '@/helpers/visibility';
   import {CONTENT_TYPE} from '@/consts/types';
   import PopoverLink from '@/components/ui/PopoverLink';
-  import {removeAtIndex} from '@/graphql/immutable-operations';
+  import {insertAtIndex, removeAtIndex} from '@/graphql/immutable-operations';
   import {EDIT_CONTENT_BLOCK_PAGE} from '@/router/module.names';
   import {instrumentCategory} from '@/helpers/instrumentType';
 
@@ -163,7 +180,10 @@
         return {};
       },
       canEditContentBlock() {
-        return this.contentBlock.mine && !this.contentBlock.indent;
+        return this.isMine && !this.contentBlock.indent;
+      },
+      isMine() {
+        return this.contentBlock.mine;
       },
       contentBlocksWithContentLists() {
         /*
@@ -218,6 +238,36 @@
       },
     },
     methods: {
+      duplicateContentBlock({id}) {
+        const parent = this.parent;
+        this.$apollo.mutate({
+          mutation: DUPLICATE_CONTENT_BLOCK_MUTATION,
+          variables: {
+            input: {
+              id,
+            },
+          },
+          update(store, {data: {duplicateContentBlock: {contentBlock}}}) {
+            if (contentBlock) {
+              const query = CHAPTER_QUERY;
+              const variables = {
+                id: parent.id,
+              };
+              const {chapter} = store.readQuery({query, variables});
+              const index = chapter.contentBlocks.findIndex(contentBlock => contentBlock.id === id);
+              const contentBlocks = insertAtIndex(chapter.contentBlocks, index, contentBlock);
+              const data = {
+                chapter: {
+                  ...chapter,
+                  contentBlocks,
+                },
+              };
+              store.writeQuery({query, variables, data});
+            }
+          },
+        });
+
+      },
       editContentBlock(contentBlock) {
         const route = {
           name: EDIT_CONTENT_BLOCK_PAGE,
diff --git a/client/src/graphql/gql/mutations/duplicateContentBlock.gql b/client/src/graphql/gql/mutations/duplicateContentBlock.gql
new file mode 100644
index 00000000..dbefec53
--- /dev/null
+++ b/client/src/graphql/gql/mutations/duplicateContentBlock.gql
@@ -0,0 +1,11 @@
+#import "../fragments/contentBlockInterfaceParts.gql"
+#import "../fragments/contentBlockParts.gql"
+
+mutation DuplicateContentBlock($input: DuplicateContentBlockInput!) {
+  duplicateContentBlock(input: $input) {
+    contentBlock {
+      ...ContentBlockInterfaceParts
+      ...ContentBlockParts
+    }
+  }
+}
diff --git a/server/books/managers.py b/server/books/managers.py
index 603ff304..305c8ddd 100644
--- a/server/books/managers.py
+++ b/server/books/managers.py
@@ -15,7 +15,7 @@ class ContentBlockManager(PageManager):
                 user_created=True,
                 owner=user,
                 contents=content_block.contents,
-                title=content_block.title,
+                title=f'{content_block.title} (Kopie)',
                 type=content_block.type,
             )
             content_block.add_sibling(instance=new_content_block, pos='right')
diff --git a/server/schema.graphql b/server/schema.graphql
index 7a19e840..0cb896a5 100644
--- a/server/schema.graphql
+++ b/server/schema.graphql
@@ -478,6 +478,16 @@ type DjangoDebugSQL {
   encoding: String
 }
 
+input DuplicateContentBlockInput {
+  id: ID!
+  clientMutationId: String
+}
+
+type DuplicateContentBlockPayload {
+  contentBlock: ContentBlockNode
+  clientMutationId: String
+}
+
 type DuplicateName {
   reason: String
 }
@@ -694,6 +704,7 @@ type Mutation {
   mutateContentBlock(input: MutateContentBlockInput!): MutateContentBlockPayload
   addContentBlock(input: AddContentBlockInput!): AddContentBlockPayload
   deleteContentBlock(input: DeleteContentBlockInput!): DeleteContentBlockPayload
+  duplicateContentBlock(input: DuplicateContentBlockInput!): DuplicateContentBlockPayload
   updateSolutionVisibility(input: UpdateSolutionVisibilityInput!): UpdateSolutionVisibilityPayload
   updateLastModule(input: UpdateLastModuleInput!): UpdateLastModulePayload
   updateLastTopic(input: UpdateLastTopicInput!): UpdateLastTopicPayload