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diff --git a/linguistics/src/main/java/com/yahoo/language/LinguisticsCase.java b/linguistics/src/main/java/com/yahoo/language/LinguisticsCase.java
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+++ b/linguistics/src/main/java/com/yahoo/language/LinguisticsCase.java
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+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.language;
+
+import com.yahoo.text.Lowercase;
+
+import java.util.Locale;
+
+/**
+ * This class provides a case normalization operation to be used e.g. when
+ * document search should be case insensitive.
+ *
+ * @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a>
+ */
+public class LinguisticsCase {
+
+    /**
+     * <p>The lower casing method to use in Vespa when doing language independent processing of natural language data.
+     * It is placed in a single place to ensure symmetry between e.g. query processing and indexing.</p>
+     * <p>Return a lowercased version of the given string. Since this is language independent, this is more of a case
+     * normalization operation than lowercasing.</p>
+     *
+     * @param in The string to lowercase.
+     * @return A string containing only lowercase character.
+     */
+    public static String toLowerCase(String in) {
+        // def is picked from http://docs.oracle.com/javase/6/docs/api/java/lang/String.html#toLowerCase%28%29
+        // Also, at the time of writing, English is the default language for queries
+        return Lowercase.toLowerCase(in);
+    }
+
+}