diff --git a/DecaTec.WebDav/LockToken.cs b/DecaTec.WebDav/LockToken.cs
index e75b224..c1629fd 100644
--- a/DecaTec.WebDav/LockToken.cs
+++ b/DecaTec.WebDav/LockToken.cs
@@ -8,6 +8,32 @@ namespace DecaTec.WebDav
     /// </summary>
     public class LockToken
     {
+        /// <summary>
+        /// Constructs a <see cref="LockToken"/> based on the <paramref name="absoluteUri"/>.
+        /// </summary>
+        /// <param name="absoluteUri">The lock token in absolute-URI format as defined in https://tools.ietf.org/html/rfc3986#section-4.3. </param>
+        /// <remarks>Use the strong-typed constructors to create a new <see cref="LockToken"/>.</remarks>
+        public LockToken(string lockToken)
+        {
+            if (string.IsNullOrEmpty(lockToken))
+                throw new ArgumentException($"The {nameof(lockToken)} cannot be null");
+
+            if (AbsoluteUri.TryParse(lockToken, out var absoluteUri))
+            {
+                AbsoluteUri = absoluteUri;
+                var codedUrl = new CodedUrl(absoluteUri);
+                LockTokenHeaderFormat = codedUrl;
+                IfHeaderNoTagListFormat = new NoTagList(codedUrl);
+            }
+            else if (CodedUrl.TryParse(lockToken, out var codedUrl))
+            {
+                LockTokenHeaderFormat = codedUrl;
+                IfHeaderNoTagListFormat = new NoTagList(codedUrl);
+            }
+            else
+                IfHeaderNoTagListFormat = new NoTagList(lockToken);
+        }
+
         /// <summary>
         /// Constructs a <see cref="LockToken"/> based on the <paramref name="absoluteUri"/>.
         /// </summary>
diff --git a/UnitTests/DecaTec.WebDav.UnitTest/UnitTestLockToken.cs b/UnitTests/DecaTec.WebDav.UnitTest/UnitTestLockToken.cs
index 6a0ed49..ceebfea 100644
--- a/UnitTests/DecaTec.WebDav.UnitTest/UnitTestLockToken.cs
+++ b/UnitTests/DecaTec.WebDav.UnitTest/UnitTestLockToken.cs
@@ -17,6 +17,21 @@ public void UT_LockToken_IfHeaderNoTagListFormat_IfHeaderWithoutBrackets()
             Assert.IsTrue(parseResult);
         }
 
+        [TestMethod]
+        public void UT_LockToken_Construct_IfHeaderNoTagListFormat_IfHeaderWithoutBracketsWithString()
+        {
+            var lockTokenString = "urn:uuid:my-lock-token";
+
+            var lockToken = new LockToken(lockTokenString);
+            var absoluteUri = lockToken.AbsoluteUri;
+            var lockTokenHeaderFormat = lockToken.LockTokenHeaderFormat;
+            var noTagList = lockToken.IfHeaderNoTagListFormat;
+
+            Assert.AreEqual("urn:uuid:my-lock-token", absoluteUri.ToString());
+            Assert.AreEqual("<urn:uuid:my-lock-token>", lockTokenHeaderFormat.ToString());
+            Assert.AreEqual("(<urn:uuid:my-lock-token>)", noTagList.ToString());
+        }
+
         [TestMethod]
         public void UT_LockToken_IfHeaderNoTagListFormat_IfHeaderWithBrackets()
         {
@@ -29,6 +44,21 @@ public void UT_LockToken_IfHeaderNoTagListFormat_IfHeaderWithBrackets()
             Assert.IsTrue(parseResult);
         }
 
+        [TestMethod]
+        public void UT_LockToken_Construct_IfHeaderNoTagListFormat_IfHeaderWithBracketsWithString()
+        {
+            var lockTokenString = "<urn:uuid:my-lock-token>";
+
+            var lockToken = new LockToken(lockTokenString);
+            var absoluteUri = lockToken.AbsoluteUri;
+            var noTagList = lockToken.IfHeaderNoTagListFormat;
+            var lockTokenHeaderFormat = lockToken.LockTokenHeaderFormat;
+
+            Assert.IsNull(absoluteUri);
+            Assert.AreEqual("<urn:uuid:my-lock-token>", lockTokenHeaderFormat.ToString());
+            Assert.AreEqual("(<urn:uuid:my-lock-token>)", noTagList.ToString());
+        }
+
         [TestMethod]
         public void UT_LockToken_LockTokenHeaderFormat_LockTokenHeaderWithoutBrackets()
         {
@@ -41,6 +71,21 @@ public void UT_LockToken_LockTokenHeaderFormat_LockTokenHeaderWithoutBrackets()
             Assert.IsTrue(parseResult);
         }
 
+        [TestMethod]
+        public void UT_LockToken_Construct_LockTokenHeaderFormat_LockTokenHeaderWithoutBracketsWithString()
+        {
+            var lockTokenString = "urn:uuid:my-lock-token";
+
+            var lockToken = new LockToken(lockTokenString);
+            var absoluteUri = lockToken.AbsoluteUri;
+            var codedUrl = lockToken.LockTokenHeaderFormat;
+            var ifHeaderNoTagListFormat = lockToken.IfHeaderNoTagListFormat;
+
+            Assert.AreEqual("urn:uuid:my-lock-token", absoluteUri.ToString());
+            Assert.AreEqual("<urn:uuid:my-lock-token>", codedUrl.ToString());
+            Assert.AreEqual("(<urn:uuid:my-lock-token>)", ifHeaderNoTagListFormat.ToString());
+        }
+
         [TestMethod]
         public void UT_LockToken_LockTokenHeaderFormat_LockTokenHeaderWithBrackets()
         {
@@ -53,6 +98,21 @@ public void UT_LockToken_LockTokenHeaderFormat_LockTokenHeaderWithBrackets()
             Assert.IsTrue(parseResult);
         }
 
+        [TestMethod]
+        public void UT_LockToken_Construct_LockTokenHeaderFormat_LockTokenHeaderWithBracketsWithString()
+        {
+            var lockTokenString = "<urn:uuid:my-lock-token>";
+
+            var lockToken = new LockToken(lockTokenString);
+            var absoluteUri = lockToken.AbsoluteUri;
+            var lockTokenHeaderFormat = lockToken.LockTokenHeaderFormat;
+            var ifHeaderNoTagListFormat = lockToken.IfHeaderNoTagListFormat;
+
+            Assert.IsNull(absoluteUri);
+            Assert.AreEqual("<urn:uuid:my-lock-token>", lockTokenHeaderFormat.ToString());
+            Assert.AreEqual("(<urn:uuid:my-lock-token>)", ifHeaderNoTagListFormat.ToString());
+        }
+
         [TestMethod]
         public void UT_LockToken_LockTokenHeaderFormat_LockTokenHeaderWithBothBrackets()
         {
@@ -64,5 +124,20 @@ public void UT_LockToken_LockTokenHeaderFormat_LockTokenHeaderWithBothBrackets()
             Assert.AreEqual("(<urn:uuid:my-lock-token>)", lockTokenHeaderFormat.ToString());
             Assert.IsTrue(parseResult);
         }
+
+        [TestMethod]
+        public void UT_LockToken_Construct_LockTokenHeaderFormat_LockTokenHeaderWithBothBracketsWithString()
+        {
+            var lockTokenString = "(<urn:uuid:my-lock-token>)";
+
+            var lockToken = new LockToken(lockTokenString);
+            var absoluteUri = lockToken.AbsoluteUri;
+            var codedUrl = lockToken.LockTokenHeaderFormat;
+            var lockTokenHeaderFormat = lockToken.IfHeaderNoTagListFormat;
+
+            Assert.IsNull(absoluteUri);
+            Assert.IsNull(codedUrl);
+            Assert.AreEqual("(<urn:uuid:my-lock-token>)", lockTokenHeaderFormat.ToString());
+        }
     }
 }