diff --git a/pom.xml b/pom.xml
index d6dcca8..fcb4743 100644
--- a/pom.xml
+++ b/pom.xml
@@ -102,6 +102,13 @@
       <version>${querydsl.version}</version>
     </dependency>
 
+    <!-- Dependency for Third-Party E2 violation -->
+    <dependency>
+	    <groupId>com.mysema.querydsl</groupId>
+	    <artifactId>querydsl-jpa</artifactId>
+	    <version>3.2.4</version>
+    </dependency>
+
     <!-- Test -->
     <dependency>
       <groupId>io.quarkus</groupId>
diff --git a/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyDataMappingPersistanceNotOk.java b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyDataMappingPersistanceNotOk.java
new file mode 100644
index 0000000..a73ff45
--- /dev/null
+++ b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyDataMappingPersistanceNotOk.java
@@ -0,0 +1,8 @@
+package com.devonfw.sample.archunit.general.dataaccess.violations;
+
+import javax.persistence.Convert; // Noncompliant
+
+@Convert
+public class ThirdPartyDataMappingPersistanceNotOk {
+    
+}
diff --git a/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyDataMappingPersistanceOk.java b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyDataMappingPersistanceOk.java
new file mode 100644
index 0000000..0380842
--- /dev/null
+++ b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyDataMappingPersistanceOk.java
@@ -0,0 +1,10 @@
+package com.devonfw.sample.archunit.general.dataaccess.violations;
+
+import javax.persistence.Converter; // compliant
+
+@Converter
+// OK - just for demonstration purpose. A reasonable example can be found here:
+// https://github.com/devonfw/devon4j/blob/master/documentation/guide-jpa.asciidoc#entities-and-datatypes
+public class ThirdPartyDataMappingPersistanceOk {
+
+}
diff --git a/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyMysemaNotOk.java b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyMysemaNotOk.java
new file mode 100644
index 0000000..01cf93f
--- /dev/null
+++ b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyMysemaNotOk.java
@@ -0,0 +1,9 @@
+package com.devonfw.sample.archunit.general.dataaccess.violations;
+
+import com.mysema.query.jpa.impl.JPAQuery; // Noncompliant
+
+public class ThirdPartyMysemaNotOk {
+
+    JPAQuery jpaQuery;
+
+}
diff --git a/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyMysemaOk.java b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyMysemaOk.java
new file mode 100644
index 0000000..1e65306
--- /dev/null
+++ b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyMysemaOk.java
@@ -0,0 +1,9 @@
+package com.devonfw.sample.archunit.general.dataaccess.violations;
+
+import com.querydsl.jpa.impl.JPAQuery; // compliant
+
+public class ThirdPartyMysemaOk {
+
+    JPAQuery<Integer> jpaQuery;
+
+}
diff --git a/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyObjectNotOk.java b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyObjectNotOk.java
new file mode 100644
index 0000000..1c412ba
--- /dev/null
+++ b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyObjectNotOk.java
@@ -0,0 +1,9 @@
+package com.devonfw.sample.archunit.general.dataaccess.violations;
+
+import static com.google.common.base.Objects.equal; // Noncompliant
+
+public class ThirdPartyObjectNotOk {
+
+    boolean result = equal(1, 1);
+
+}
diff --git a/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyObjectOK.java b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyObjectOK.java
new file mode 100644
index 0000000..b0f64dd
--- /dev/null
+++ b/src/main/java/com/devonfw/sample/archunit/general/dataaccess/violations/ThirdPartyObjectOK.java
@@ -0,0 +1,8 @@
+package com.devonfw.sample.archunit.general.dataaccess.violations;
+
+// compliant: standard java object method equals()
+public class ThirdPartyObjectOK {
+
+    boolean result1 = java.util.Objects.equals(1, 1);
+
+}
\ No newline at end of file