diff --git a/README.md b/README.md
index 0258907..661c61b 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ This library is an ad hoc code customization used in my private/work projects th
 | 406 | Exception.NotAcceptableException | Response.NotAcceptable | available |
 | 408 | Exception.RequestTimeoutException | Response.RequestTimeout | available |
 | 409 | Exception.ConflictException | Response.Conflict | available |
-| 422 | Exception.UnprocessableEntityException | Response.UnprocessableEntity | coming soon |
+| 422 | Exception.UnprocessableEntityException | Response.UnprocessableEntity | available |
 | 500 | Exception.InternalServerErrorException | Response.InternalServerError | coming soon |
 | 501 | Exception.NotImplementedException | Response.NotImplemented | coming soon |
 | 502 | Exception.BadGatewayException | Response.BadGateway | coming soon |
diff --git a/src/CustomLibrary.ProblemDetails/Exception/UnprocessableEntityException.cs b/src/CustomLibrary.ProblemDetails/Exception/UnprocessableEntityException.cs
new file mode 100644
index 0000000..1262168
--- /dev/null
+++ b/src/CustomLibrary.ProblemDetails/Exception/UnprocessableEntityException.cs
@@ -0,0 +1,16 @@
+namespace CustomLibrary.ProblemDetails.Exception;
+
+public class UnprocessableEntityException : System.Exception
+{
+    public UnprocessableEntityException()
+    {
+    }
+
+    public UnprocessableEntityException(string message) : base(message)
+    {
+    }
+
+    public UnprocessableEntityException(string message, System.Exception innerException) : base(message, innerException)
+    {
+    }
+}
\ No newline at end of file
diff --git a/src/CustomLibrary.ProblemDetails/Response/Response.cs b/src/CustomLibrary.ProblemDetails/Response/Response.cs
index edae28d..3af2ad7 100644
--- a/src/CustomLibrary.ProblemDetails/Response/Response.cs
+++ b/src/CustomLibrary.ProblemDetails/Response/Response.cs
@@ -199,4 +199,26 @@ public static ObjectResult Conflict(HttpContext httpContext, System.Exception ex
 
         return result;
     }
+
+    public static ObjectResult UnprocessableEntity(HttpContext httpContext, System.Exception exc)
+    {
+        var statusCode = StatusCodes.Status422UnprocessableEntity;
+        var problemDetails = new CustomProblemDetails
+        {
+            Status = statusCode,
+            Type = $"https://httpstatuses.com/{statusCode}",
+            Instance = httpContext.Request.Path,
+            Title = "UnprocessableEntity"
+        };
+
+        problemDetails.Extensions.Add("traceId", Activity.Current?.Id ?? httpContext.TraceIdentifier);
+        problemDetails.Extensions.Add("errors", exc.Message);
+
+        var result = new ObjectResult(problemDetails)
+        {
+            StatusCode = statusCode
+        };
+
+        return result;
+    }
 }
\ No newline at end of file