diff --git a/src/Symfony/Bundle/FrameworkBundle/Translation/Translator.php b/src/Symfony/Bundle/FrameworkBundle/Translation/Translator.php
index fba6d70d6978..fedc425a11a0 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Translation/Translator.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Translation/Translator.php
@@ -15,6 +15,7 @@
 use Symfony\Component\Translation\Translator as BaseTranslator;
 use Symfony\Component\Translation\MessageSelector;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
 
 /**
  * Translator.
@@ -51,7 +52,7 @@ class Translator extends BaseTranslator implements WarmableInterface
      * @param array              $loaderIds An array of loader Ids
      * @param array              $options   An array of options
      *
-     * @throws \InvalidArgumentException
+     * @throws InvalidArgumentException
      */
     public function __construct(ContainerInterface $container, MessageSelector $selector, $loaderIds = array(), array $options = array())
     {
@@ -60,7 +61,7 @@ public function __construct(ContainerInterface $container, MessageSelector $sele
 
         // check option names
         if ($diff = array_diff(array_keys($options), array_keys($this->options))) {
-            throw new \InvalidArgumentException(sprintf('The Translator does not support the following options: \'%s\'.', implode('\', \'', $diff)));
+            throw new InvalidArgumentException(sprintf('The Translator does not support the following options: \'%s\'.', implode('\', \'', $diff)));
         }
 
         $this->options = array_merge($this->options, $options);
diff --git a/src/Symfony/Component/Translation/Catalogue/AbstractOperation.php b/src/Symfony/Component/Translation/Catalogue/AbstractOperation.php
index 9598e1767a7d..8ea921aa4e6d 100644
--- a/src/Symfony/Component/Translation/Catalogue/AbstractOperation.php
+++ b/src/Symfony/Component/Translation/Catalogue/AbstractOperation.php
@@ -13,6 +13,8 @@
 
 use Symfony\Component\Translation\MessageCatalogue;
 use Symfony\Component\Translation\MessageCatalogueInterface;
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
+use Symfony\Component\Translation\Exception\LogicException;
 
 /**
  * Base catalogues binary operation class.
@@ -72,12 +74,12 @@ abstract class AbstractOperation implements OperationInterface
      * @param MessageCatalogueInterface $source The source catalogue
      * @param MessageCatalogueInterface $target The target catalogue
      *
-     * @throws \LogicException
+     * @throws LogicException
      */
     public function __construct(MessageCatalogueInterface $source, MessageCatalogueInterface $target)
     {
         if ($source->getLocale() !== $target->getLocale()) {
-            throw new \LogicException('Operated catalogues must belong to the same locale.');
+            throw new LogicException('Operated catalogues must belong to the same locale.');
         }
 
         $this->source = $source;
@@ -105,7 +107,7 @@ public function getDomains()
     public function getMessages($domain)
     {
         if (!in_array($domain, $this->getDomains())) {
-            throw new \InvalidArgumentException(sprintf('Invalid domain: %s.', $domain));
+            throw new InvalidArgumentException(sprintf('Invalid domain: %s.', $domain));
         }
 
         if (!isset($this->messages[$domain]['all'])) {
@@ -121,7 +123,7 @@ public function getMessages($domain)
     public function getNewMessages($domain)
     {
         if (!in_array($domain, $this->getDomains())) {
-            throw new \InvalidArgumentException(sprintf('Invalid domain: %s.', $domain));
+            throw new InvalidArgumentException(sprintf('Invalid domain: %s.', $domain));
         }
 
         if (!isset($this->messages[$domain]['new'])) {
@@ -137,7 +139,7 @@ public function getNewMessages($domain)
     public function getObsoleteMessages($domain)
     {
         if (!in_array($domain, $this->getDomains())) {
-            throw new \InvalidArgumentException(sprintf('Invalid domain: %s.', $domain));
+            throw new InvalidArgumentException(sprintf('Invalid domain: %s.', $domain));
         }
 
         if (!isset($this->messages[$domain]['obsolete'])) {
diff --git a/src/Symfony/Component/Translation/DataCollectorTranslator.php b/src/Symfony/Component/Translation/DataCollectorTranslator.php
index 244672335806..cd467354df77 100644
--- a/src/Symfony/Component/Translation/DataCollectorTranslator.php
+++ b/src/Symfony/Component/Translation/DataCollectorTranslator.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Translation;
 
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
+
 /**
  * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
  */
@@ -36,7 +38,7 @@ class DataCollectorTranslator implements TranslatorInterface, TranslatorBagInter
     public function __construct(TranslatorInterface $translator)
     {
         if (!$translator instanceof TranslatorBagInterface) {
-            throw new \InvalidArgumentException(sprintf('The Translator "%s" must implement TranslatorInterface and TranslatorBagInterface.', get_class($translator)));
+            throw new InvalidArgumentException(sprintf('The Translator "%s" must implement TranslatorInterface and TranslatorBagInterface.', get_class($translator)));
         }
 
         $this->translator = $translator;
diff --git a/src/Symfony/Component/Translation/Dumper/FileDumper.php b/src/Symfony/Component/Translation/Dumper/FileDumper.php
index 4228741270dd..a0b207fc3fba 100644
--- a/src/Symfony/Component/Translation/Dumper/FileDumper.php
+++ b/src/Symfony/Component/Translation/Dumper/FileDumper.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Translation\Dumper;
 
 use Symfony\Component\Translation\MessageCatalogue;
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
 
 /**
  * FileDumper is an implementation of DumperInterface that dump a message catalogue to file(s).
@@ -64,7 +65,7 @@ public function setBackup($backup)
     public function dump(MessageCatalogue $messages, $options = array())
     {
         if (!array_key_exists('path', $options)) {
-            throw new \InvalidArgumentException('The file dumper needs a path option.');
+            throw new InvalidArgumentException('The file dumper needs a path option.');
         }
 
         // save a file for each domain
@@ -79,7 +80,7 @@ public function dump(MessageCatalogue $messages, $options = array())
             } else {
                 $directory = dirname($fullpath);
                 if (!file_exists($directory) && !@mkdir($directory, 0777, true)) {
-                    throw new \RuntimeException(sprintf('Unable to create directory "%s".', $directory));
+                    throw new RuntimeException(sprintf('Unable to create directory "%s".', $directory));
                 }
             }
             // save file
diff --git a/src/Symfony/Component/Translation/Dumper/XliffFileDumper.php b/src/Symfony/Component/Translation/Dumper/XliffFileDumper.php
index 915dbcae8e84..47b05c81b12d 100644
--- a/src/Symfony/Component/Translation/Dumper/XliffFileDumper.php
+++ b/src/Symfony/Component/Translation/Dumper/XliffFileDumper.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Translation\Dumper;
 
 use Symfony\Component\Translation\MessageCatalogue;
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
 
 /**
  * XliffFileDumper generates xliff files from a message catalogue.
@@ -43,7 +44,7 @@ public function formatCatalogue(MessageCatalogue $messages, $domain, array $opti
             return $this->dumpXliff2($defaultLocale, $messages, $domain, $options);
         }
 
-        throw new \InvalidArgumentException(sprintf('No support implemented for dumping XLIFF version "%s".', $xliffVersion));
+        throw new InvalidArgumentException(sprintf('No support implemented for dumping XLIFF version "%s".', $xliffVersion));
     }
 
     /**
diff --git a/src/Symfony/Component/Translation/Dumper/YamlFileDumper.php b/src/Symfony/Component/Translation/Dumper/YamlFileDumper.php
index 625953c79008..fdd113b10365 100644
--- a/src/Symfony/Component/Translation/Dumper/YamlFileDumper.php
+++ b/src/Symfony/Component/Translation/Dumper/YamlFileDumper.php
@@ -14,6 +14,7 @@
 use Symfony\Component\Translation\MessageCatalogue;
 use Symfony\Component\Translation\Util\ArrayConverter;
 use Symfony\Component\Yaml\Yaml;
+use Symfony\Component\Translation\Exception\LogicException;
 
 /**
  * YamlFileDumper generates yaml files from a message catalogue.
@@ -28,7 +29,7 @@ class YamlFileDumper extends FileDumper
     public function formatCatalogue(MessageCatalogue $messages, $domain, array $options = array())
     {
         if (!class_exists('Symfony\Component\Yaml\Yaml')) {
-            throw new \LogicException('Dumping translations in the YAML format requires the Symfony Yaml component.');
+            throw new LogicException('Dumping translations in the YAML format requires the Symfony Yaml component.');
         }
 
         $data = $messages->all($domain);
diff --git a/src/Symfony/Component/Translation/Exception/InvalidArgumentException.php b/src/Symfony/Component/Translation/Exception/InvalidArgumentException.php
new file mode 100644
index 000000000000..90d06690f182
--- /dev/null
+++ b/src/Symfony/Component/Translation/Exception/InvalidArgumentException.php
@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Translation\Exception;
+
+/**
+ * Base InvalidArgumentException for the Translation component.
+ *
+ * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
+ */
+class InvalidArgumentException extends \InvalidArgumentException implements ExceptionInterface
+{
+}
diff --git a/src/Symfony/Component/Translation/Exception/LogicException.php b/src/Symfony/Component/Translation/Exception/LogicException.php
new file mode 100644
index 000000000000..9019c7e7be78
--- /dev/null
+++ b/src/Symfony/Component/Translation/Exception/LogicException.php
@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Translation\Exception;
+
+/**
+ * Base LogicException for Translation component.
+ *
+ * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
+ */
+class LogicException extends \LogicException implements ExceptionInterface
+{
+}
diff --git a/src/Symfony/Component/Translation/Exception/RuntimeException.php b/src/Symfony/Component/Translation/Exception/RuntimeException.php
new file mode 100644
index 000000000000..dcd794082960
--- /dev/null
+++ b/src/Symfony/Component/Translation/Exception/RuntimeException.php
@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Translation\Exception;
+
+/**
+ * Base RuntimeException for the Translation component.
+ *
+ * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
+ */
+class RuntimeException extends \RuntimeException implements ExceptionInterface
+{
+}
diff --git a/src/Symfony/Component/Translation/Extractor/AbstractFileExtractor.php b/src/Symfony/Component/Translation/Extractor/AbstractFileExtractor.php
index 57fd4938d22c..4b6b155df60a 100644
--- a/src/Symfony/Component/Translation/Extractor/AbstractFileExtractor.php
+++ b/src/Symfony/Component/Translation/Extractor/AbstractFileExtractor.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Translation\Extractor;
 
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
+
 /**
  * Base class used by classes that extract translation messages from files.
  *
@@ -56,12 +58,12 @@ private function toSplFileInfo($file)
      *
      * @return bool
      *
-     * @throws \InvalidArgumentException
+     * @throws InvalidArgumentException
      */
     protected function isFile($file)
     {
         if (!is_file($file)) {
-            throw new \InvalidArgumentException(sprintf('The "%s" file does not exist.', $file));
+            throw new InvalidArgumentException(sprintf('The "%s" file does not exist.', $file));
         }
 
         return true;
diff --git a/src/Symfony/Component/Translation/Interval.php b/src/Symfony/Component/Translation/Interval.php
index 2a51156ef735..9e2cae648c6d 100644
--- a/src/Symfony/Component/Translation/Interval.php
+++ b/src/Symfony/Component/Translation/Interval.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Translation;
 
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
+
 /**
  * Tests if a given number belongs to a given math interval.
  *
@@ -41,14 +43,14 @@ class Interval
      *
      * @return bool
      *
-     * @throws \InvalidArgumentException
+     * @throws InvalidArgumentException
      */
     public static function test($number, $interval)
     {
         $interval = trim($interval);
 
         if (!preg_match('/^'.self::getIntervalRegexp().'$/x', $interval, $matches)) {
-            throw new \InvalidArgumentException(sprintf('"%s" is not a valid interval.', $interval));
+            throw new InvalidArgumentException(sprintf('"%s" is not a valid interval.', $interval));
         }
 
         if ($matches[1]) {
diff --git a/src/Symfony/Component/Translation/Loader/XliffFileLoader.php b/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
index 62ce80eefd64..e3cab6543744 100644
--- a/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
+++ b/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
@@ -15,6 +15,7 @@
 use Symfony\Component\Translation\MessageCatalogue;
 use Symfony\Component\Translation\Exception\InvalidResourceException;
 use Symfony\Component\Translation\Exception\NotFoundResourceException;
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
 use Symfony\Component\Config\Resource\FileResource;
 
 /**
@@ -202,7 +203,7 @@ private function getSchema($xliffVersion)
             $schemaSource = file_get_contents(__DIR__.'/schema/dic/xliff-core/xliff-core-2.0.xsd');
             $xmlUri = 'informativeCopiesOf3rdPartySchemas/w3c/xml.xsd';
         } else {
-            throw new \InvalidArgumentException(sprintf('No support implemented for loading XLIFF version "%s".', $xliffVersion));
+            throw new InvalidArgumentException(sprintf('No support implemented for loading XLIFF version "%s".', $xliffVersion));
         }
 
         return $this->fixXmlLocation($schemaSource, $xmlUri);
@@ -267,7 +268,7 @@ private function getXmlErrors($internalErrors)
      *
      * @param \DOMDocument $dom
      *
-     * @throws \InvalidArgumentException
+     * @throws InvalidArgumentException
      *
      * @return string
      */
@@ -283,7 +284,7 @@ private function getVersionNumber(\DOMDocument $dom)
             $namespace = $xliff->attributes->getNamedItem('xmlns');
             if ($namespace) {
                 if (substr_compare('urn:oasis:names:tc:xliff:document:', $namespace->nodeValue, 0, 34) !== 0) {
-                    throw new \InvalidArgumentException(sprintf('Not a valid XLIFF namespace "%s"', $namespace));
+                    throw new InvalidArgumentException(sprintf('Not a valid XLIFF namespace "%s"', $namespace));
                 }
 
                 return substr($namespace, 34);
diff --git a/src/Symfony/Component/Translation/Loader/YamlFileLoader.php b/src/Symfony/Component/Translation/Loader/YamlFileLoader.php
index 5d9a3aded1d9..41e390d0e967 100644
--- a/src/Symfony/Component/Translation/Loader/YamlFileLoader.php
+++ b/src/Symfony/Component/Translation/Loader/YamlFileLoader.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Translation\Loader;
 
 use Symfony\Component\Translation\Exception\InvalidResourceException;
+use Symfony\Component\Translation\Exception\LogicException;
 use Symfony\Component\Yaml\Parser as YamlParser;
 use Symfony\Component\Yaml\Exception\ParseException;
 
@@ -31,7 +32,7 @@ protected function loadResource($resource)
     {
         if (null === $this->yamlParser) {
             if (!class_exists('Symfony\Component\Yaml\Parser')) {
-                throw new \LogicException('Loading translations from the YAML format requires the Symfony Yaml component.');
+                throw new LogicException('Loading translations from the YAML format requires the Symfony Yaml component.');
             }
 
             $this->yamlParser = new YamlParser();
diff --git a/src/Symfony/Component/Translation/LoggingTranslator.php b/src/Symfony/Component/Translation/LoggingTranslator.php
index fa5c5cc5b5ff..3ea3df316d68 100644
--- a/src/Symfony/Component/Translation/LoggingTranslator.php
+++ b/src/Symfony/Component/Translation/LoggingTranslator.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Translation;
 
 use Psr\Log\LoggerInterface;
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
 
 /**
  * @author Abdellatif Ait boudad <a.aitboudad@gmail.com>
@@ -35,7 +36,7 @@ class LoggingTranslator implements TranslatorInterface, TranslatorBagInterface
     public function __construct(TranslatorInterface $translator, LoggerInterface $logger)
     {
         if (!$translator instanceof TranslatorBagInterface) {
-            throw new \InvalidArgumentException(sprintf('The Translator "%s" must implement TranslatorInterface and TranslatorBagInterface.', get_class($translator)));
+            throw new InvalidArgumentException(sprintf('The Translator "%s" must implement TranslatorInterface and TranslatorBagInterface.', get_class($translator)));
         }
 
         $this->translator = $translator;
diff --git a/src/Symfony/Component/Translation/MessageCatalogue.php b/src/Symfony/Component/Translation/MessageCatalogue.php
index dd354a85aae3..9d77f07db788 100644
--- a/src/Symfony/Component/Translation/MessageCatalogue.php
+++ b/src/Symfony/Component/Translation/MessageCatalogue.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Translation;
 
 use Symfony\Component\Config\Resource\ResourceInterface;
+use Symfony\Component\Translation\Exception\LogicException;
 
 /**
  * MessageCatalogue.
@@ -143,7 +144,7 @@ public function add($messages, $domain = 'messages')
     public function addCatalogue(MessageCatalogueInterface $catalogue)
     {
         if ($catalogue->getLocale() !== $this->locale) {
-            throw new \LogicException(sprintf('Cannot add a catalogue for locale "%s" as the current locale for this catalogue is "%s"', $catalogue->getLocale(), $this->locale));
+            throw new LogicException(sprintf('Cannot add a catalogue for locale "%s" as the current locale for this catalogue is "%s"', $catalogue->getLocale(), $this->locale));
         }
 
         foreach ($catalogue->all() as $domain => $messages) {
@@ -169,14 +170,14 @@ public function addFallbackCatalogue(MessageCatalogueInterface $catalogue)
         $c = $catalogue;
         while ($c = $c->getFallbackCatalogue()) {
             if ($c->getLocale() === $this->getLocale()) {
-                throw new \LogicException(sprintf('Circular reference detected when adding a fallback catalogue for locale "%s".', $catalogue->getLocale()));
+                throw new LogicException(sprintf('Circular reference detected when adding a fallback catalogue for locale "%s".', $catalogue->getLocale()));
             }
         }
 
         $c = $this;
         do {
             if ($c->getLocale() === $catalogue->getLocale()) {
-                throw new \LogicException(sprintf('Circular reference detected when adding a fallback catalogue for locale "%s".', $catalogue->getLocale()));
+                throw new LogicException(sprintf('Circular reference detected when adding a fallback catalogue for locale "%s".', $catalogue->getLocale()));
             }
         } while ($c = $c->parent);
 
diff --git a/src/Symfony/Component/Translation/MessageSelector.php b/src/Symfony/Component/Translation/MessageSelector.php
index 91823ad51153..c6134191bce0 100644
--- a/src/Symfony/Component/Translation/MessageSelector.php
+++ b/src/Symfony/Component/Translation/MessageSelector.php
@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Translation;
 
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
+
 /**
  * MessageSelector.
  *
@@ -43,7 +45,7 @@ class MessageSelector
      *
      * @return string
      *
-     * @throws \InvalidArgumentException
+     * @throws InvalidArgumentException
      */
     public function choose($message, $number, $locale)
     {
@@ -78,7 +80,7 @@ public function choose($message, $number, $locale)
                 return $standardRules[0];
             }
 
-            throw new \InvalidArgumentException(sprintf('Unable to choose a translation for "%s" with locale "%s" for value "%d". Double check that this translation has the correct plural options (e.g. "There is one apple|There are %%count%% apples").', $message, $locale, $number));
+            throw new InvalidArgumentException(sprintf('Unable to choose a translation for "%s" with locale "%s" for value "%d". Double check that this translation has the correct plural options (e.g. "There is one apple|There are %%count%% apples").', $message, $locale, $number));
         }
 
         return $standardRules[$position];
diff --git a/src/Symfony/Component/Translation/Tests/IntervalTest.php b/src/Symfony/Component/Translation/Tests/IntervalTest.php
index 075c98b768f8..8dd4b3345ef6 100644
--- a/src/Symfony/Component/Translation/Tests/IntervalTest.php
+++ b/src/Symfony/Component/Translation/Tests/IntervalTest.php
@@ -24,7 +24,7 @@ public function testTest($expected, $number, $interval)
     }
 
     /**
-     * @expectedException \InvalidArgumentException
+     * @expectedException \Symfony\Component\Translation\Exception\InvalidArgumentException
      */
     public function testTestException()
     {
diff --git a/src/Symfony/Component/Translation/Tests/MessageCatalogueTest.php b/src/Symfony/Component/Translation/Tests/MessageCatalogueTest.php
index 6f55b8cc5e8f..e87525330196 100644
--- a/src/Symfony/Component/Translation/Tests/MessageCatalogueTest.php
+++ b/src/Symfony/Component/Translation/Tests/MessageCatalogueTest.php
@@ -125,7 +125,7 @@ public function testAddFallbackCatalogue()
     }
 
     /**
-     * @expectedException \LogicException
+     * @expectedException \Symfony\Component\Translation\Exception\LogicException
      */
     public function testAddFallbackCatalogueWithParentCircularReference()
     {
@@ -137,7 +137,7 @@ public function testAddFallbackCatalogueWithParentCircularReference()
     }
 
     /**
-     * @expectedException \LogicException
+     * @expectedException \Symfony\Component\Translation\Exception\LogicException
      */
     public function testAddFallbackCatalogueWithFallbackCircularReference()
     {
@@ -151,7 +151,7 @@ public function testAddFallbackCatalogueWithFallbackCircularReference()
     }
 
     /**
-     * @expectedException \LogicException
+     * @expectedException \Symfony\Component\Translation\Exception\LogicException
      */
     public function testAddCatalogueWhenLocaleIsNotTheSameAsTheCurrentOne()
     {
diff --git a/src/Symfony/Component/Translation/Tests/MessageSelectorTest.php b/src/Symfony/Component/Translation/Tests/MessageSelectorTest.php
index a92e7614894a..59707c74a093 100644
--- a/src/Symfony/Component/Translation/Tests/MessageSelectorTest.php
+++ b/src/Symfony/Component/Translation/Tests/MessageSelectorTest.php
@@ -34,7 +34,7 @@ public function testReturnMessageIfExactlyOneStandardRuleIsGiven()
 
     /**
      * @dataProvider getNonMatchingMessages
-     * @expectedException \InvalidArgumentException
+     * @expectedException \Symfony\Component\Translation\Exception\InvalidArgumentException
      */
     public function testThrowExceptionIfMatchingMessageCannotBeFound($id, $number)
     {
diff --git a/src/Symfony/Component/Translation/Tests/TranslatorTest.php b/src/Symfony/Component/Translation/Tests/TranslatorTest.php
index 777165854d09..e31cd4765b68 100644
--- a/src/Symfony/Component/Translation/Tests/TranslatorTest.php
+++ b/src/Symfony/Component/Translation/Tests/TranslatorTest.php
@@ -20,7 +20,7 @@ class TranslatorTest extends \PHPUnit_Framework_TestCase
 {
     /**
      * @dataProvider      getInvalidLocalesTests
-     * @expectedException \InvalidArgumentException
+     * @expectedException \Symfony\Component\Translation\Exception\InvalidArgumentException
      */
     public function testConstructorInvalidLocale($locale)
     {
@@ -56,7 +56,7 @@ public function testSetGetLocale()
 
     /**
      * @dataProvider      getInvalidLocalesTests
-     * @expectedException \InvalidArgumentException
+     * @expectedException \Symfony\Component\Translation\Exception\InvalidArgumentException
      */
     public function testSetInvalidLocale($locale)
     {
@@ -139,7 +139,7 @@ public function testSetFallbackLocalesMultiple()
 
     /**
      * @dataProvider      getInvalidLocalesTests
-     * @expectedException \InvalidArgumentException
+     * @expectedException \Symfony\Component\Translation\Exception\InvalidArgumentException
      */
     public function testSetFallbackInvalidLocales($locale)
     {
@@ -170,7 +170,7 @@ public function testTransWithFallbackLocale()
 
     /**
      * @dataProvider      getInvalidLocalesTests
-     * @expectedException \InvalidArgumentException
+     * @expectedException \Symfony\Component\Translation\Exception\InvalidArgumentException
      */
     public function testAddResourceInvalidLocales($locale)
     {
@@ -263,7 +263,7 @@ public function testTransNonExistentWithFallback()
     }
 
     /**
-     * @expectedException \RuntimeException
+     * @expectedException \Symfony\Component\Translation\Exception\RuntimeException
      */
     public function testWhenAResourceHasNoRegisteredLoader()
     {
@@ -307,7 +307,7 @@ public function testTrans($expected, $id, $translation, $parameters, $locale, $d
 
     /**
      * @dataProvider      getInvalidLocalesTests
-     * @expectedException \InvalidArgumentException
+     * @expectedException \Symfony\Component\Translation\Exception\InvalidArgumentException
      */
     public function testTransInvalidLocale($locale)
     {
@@ -357,7 +357,7 @@ public function testTransChoice($expected, $id, $translation, $number, $paramete
 
     /**
      * @dataProvider      getInvalidLocalesTests
-     * @expectedException \InvalidArgumentException
+     * @expectedException \Symfony\Component\Translation\Exception\InvalidArgumentException
      */
     public function testTransChoiceInvalidLocale($locale)
     {
diff --git a/src/Symfony/Component/Translation/Translator.php b/src/Symfony/Component/Translation/Translator.php
index c98d25d2737c..9bddee34e21e 100644
--- a/src/Symfony/Component/Translation/Translator.php
+++ b/src/Symfony/Component/Translation/Translator.php
@@ -13,6 +13,8 @@
 
 use Symfony\Component\Translation\Loader\LoaderInterface;
 use Symfony\Component\Translation\Exception\NotFoundResourceException;
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
+use Symfony\Component\Translation\Exception\RuntimeException;
 use Symfony\Component\Config\ConfigCacheInterface;
 use Symfony\Component\Config\ConfigCacheFactoryInterface;
 use Symfony\Component\Config\ConfigCacheFactory;
@@ -77,7 +79,7 @@ class Translator implements TranslatorInterface, TranslatorBagInterface
      * @param string|null          $cacheDir The directory to use for the cache
      * @param bool                 $debug    Use cache in debug mode ?
      *
-     * @throws \InvalidArgumentException If a locale contains invalid characters
+     * @throws InvalidArgumentException If a locale contains invalid characters
      */
     public function __construct($locale, MessageSelector $selector = null, $cacheDir = null, $debug = false)
     {
@@ -116,7 +118,7 @@ public function addLoader($format, LoaderInterface $loader)
      * @param string $locale   The locale
      * @param string $domain   The domain
      *
-     * @throws \InvalidArgumentException If the locale contains invalid characters
+     * @throws InvalidArgumentException If the locale contains invalid characters
      */
     public function addResource($format, $resource, $locale, $domain = null)
     {
@@ -157,7 +159,7 @@ public function getLocale()
      *
      * @param array $locales The fallback locales
      *
-     * @throws \InvalidArgumentException If a locale contains invalid characters
+     * @throws InvalidArgumentException If a locale contains invalid characters
      */
     public function setFallbackLocales(array $locales)
     {
@@ -371,7 +373,7 @@ private function doLoadCatalogue($locale)
         if (isset($this->resources[$locale])) {
             foreach ($this->resources[$locale] as $resource) {
                 if (!isset($this->loaders[$resource[0]])) {
-                    throw new \RuntimeException(sprintf('The "%s" translation loader is not registered.', $resource[0]));
+                    throw new RuntimeException(sprintf('The "%s" translation loader is not registered.', $resource[0]));
                 }
                 $this->catalogues[$locale]->addCatalogue($this->loaders[$resource[0]]->load($resource[1], $locale, $resource[2]));
             }
@@ -419,12 +421,12 @@ protected function computeFallbackLocales($locale)
      *
      * @param string $locale Locale to tests
      *
-     * @throws \InvalidArgumentException If the locale contains invalid characters
+     * @throws InvalidArgumentException If the locale contains invalid characters
      */
     protected function assertValidLocale($locale)
     {
         if (1 !== preg_match('/^[a-z0-9@_\\.\\-]*$/i', $locale)) {
-            throw new \InvalidArgumentException(sprintf('Invalid "%s" locale.', $locale));
+            throw new InvalidArgumentException(sprintf('Invalid "%s" locale.', $locale));
         }
     }
 
diff --git a/src/Symfony/Component/Translation/TranslatorBagInterface.php b/src/Symfony/Component/Translation/TranslatorBagInterface.php
index 14fbb17f5e46..b454f02a3a2b 100644
--- a/src/Symfony/Component/Translation/TranslatorBagInterface.php
+++ b/src/Symfony/Component/Translation/TranslatorBagInterface.php
@@ -25,7 +25,7 @@ interface TranslatorBagInterface
      *
      * @return MessageCatalogueInterface
      *
-     * @throws \InvalidArgumentException If the locale contains invalid characters
+     * @throws InvalidArgumentException If the locale contains invalid characters
      */
     public function getCatalogue($locale = null);
 }
diff --git a/src/Symfony/Component/Translation/TranslatorInterface.php b/src/Symfony/Component/Translation/TranslatorInterface.php
index 6916c335bd42..92b5a622e89d 100644
--- a/src/Symfony/Component/Translation/TranslatorInterface.php
+++ b/src/Symfony/Component/Translation/TranslatorInterface.php
@@ -28,7 +28,7 @@ interface TranslatorInterface
      *
      * @return string The translated string
      *
-     * @throws \InvalidArgumentException If the locale contains invalid characters
+     * @throws InvalidArgumentException If the locale contains invalid characters
      */
     public function trans($id, array $parameters = array(), $domain = null, $locale = null);
 
@@ -43,7 +43,7 @@ public function trans($id, array $parameters = array(), $domain = null, $locale
      *
      * @return string The translated string
      *
-     * @throws \InvalidArgumentException If the locale contains invalid characters
+     * @throws InvalidArgumentException If the locale contains invalid characters
      */
     public function transChoice($id, $number, array $parameters = array(), $domain = null, $locale = null);
 
@@ -52,7 +52,7 @@ public function transChoice($id, $number, array $parameters = array(), $domain =
      *
      * @param string $locale The locale
      *
-     * @throws \InvalidArgumentException If the locale contains invalid characters
+     * @throws InvalidArgumentException If the locale contains invalid characters
      */
     public function setLocale($locale);
 
diff --git a/src/Symfony/Component/Translation/Writer/TranslationWriter.php b/src/Symfony/Component/Translation/Writer/TranslationWriter.php
index 2f5eaa1edf0d..901a8894e1c4 100644
--- a/src/Symfony/Component/Translation/Writer/TranslationWriter.php
+++ b/src/Symfony/Component/Translation/Writer/TranslationWriter.php
@@ -13,6 +13,8 @@
 
 use Symfony\Component\Translation\MessageCatalogue;
 use Symfony\Component\Translation\Dumper\DumperInterface;
+use Symfony\Component\Translation\Exception\InvalidArgumentException;
+use Symfony\Component\Translation\Exception\RuntimeException;
 
 /**
  * TranslationWriter writes translation messages.
@@ -68,19 +70,19 @@ public function getFormats()
      * @param string           $format    The format to use to dump the messages
      * @param array            $options   Options that are passed to the dumper
      *
-     * @throws \InvalidArgumentException
+     * @throws InvalidArgumentException
      */
     public function writeTranslations(MessageCatalogue $catalogue, $format, $options = array())
     {
         if (!isset($this->dumpers[$format])) {
-            throw new \InvalidArgumentException(sprintf('There is no dumper associated with format "%s".', $format));
+            throw new InvalidArgumentException(sprintf('There is no dumper associated with format "%s".', $format));
         }
 
         // get the right dumper
         $dumper = $this->dumpers[$format];
 
         if (isset($options['path']) && !is_dir($options['path']) && !@mkdir($options['path'], 0777, true) && !is_dir($options['path'])) {
-            throw new \RuntimeException(sprintf('Translation Writer was not able to create directory "%s"', $options['path']));
+            throw new RuntimeException(sprintf('Translation Writer was not able to create directory "%s"', $options['path']));
         }
 
         // save