diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -424,6 +424,7 @@
     'ArcanistPhutilXHPASTLinterStandard' => 'lint/linter/standards/phutil/ArcanistPhutilXHPASTLinterStandard.php',
     'ArcanistPlusOperatorOnStringsXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistPlusOperatorOnStringsXHPASTLinterRule.php',
     'ArcanistPlusOperatorOnStringsXHPASTLinterRuleTestCase' => 'lint/linter/xhpast/rules/__tests__/ArcanistPlusOperatorOnStringsXHPASTLinterRuleTestCase.php',
+    'ArcanistProductNameLiteralXHPASTLinterRule' => 'lint/linter/xhpast/rules/ArcanistProductNameLiteralXHPASTLinterRule.php',
     'ArcanistProjectConfigurationSource' => 'config/source/ArcanistProjectConfigurationSource.php',
     'ArcanistPrompt' => 'toolset/ArcanistPrompt.php',
     'ArcanistPromptResponse' => 'toolset/ArcanistPromptResponse.php',
@@ -914,6 +915,7 @@
     'PhutilVeryWowEnglishLocale' => 'internationalization/locales/PhutilVeryWowEnglishLocale.php',
     'PhutilWordPressFuture' => 'future/wordpress/PhutilWordPressFuture.php',
     'PhutilXHPASTBinary' => 'parser/xhpast/bin/PhutilXHPASTBinary.php',
+    'PlatformSymbols' => 'platform/PlatformSymbols.php',
     'PytestTestEngine' => 'unit/engine/PytestTestEngine.php',
     'TempFile' => 'filesystem/TempFile.php',
     'TestAbstractDirectedGraph' => 'utils/__tests__/TestAbstractDirectedGraph.php',
@@ -1490,6 +1492,7 @@
     'ArcanistPhutilXHPASTLinterStandard' => 'ArcanistLinterStandard',
     'ArcanistPlusOperatorOnStringsXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
     'ArcanistPlusOperatorOnStringsXHPASTLinterRuleTestCase' => 'ArcanistXHPASTLinterRuleTestCase',
+    'ArcanistProductNameLiteralXHPASTLinterRule' => 'ArcanistXHPASTLinterRule',
     'ArcanistProjectConfigurationSource' => 'ArcanistWorkingCopyConfigurationSource',
     'ArcanistPrompt' => 'Phobject',
     'ArcanistPromptResponse' => 'Phobject',
@@ -2007,6 +2010,7 @@
     'PhutilVeryWowEnglishLocale' => 'PhutilLocale',
     'PhutilWordPressFuture' => 'FutureProxy',
     'PhutilXHPASTBinary' => 'Phobject',
+    'PlatformSymbols' => 'Phobject',
     'PytestTestEngine' => 'ArcanistUnitTestEngine',
     'TempFile' => 'Phobject',
     'TestAbstractDirectedGraph' => 'AbstractDirectedGraph',
diff --git a/src/lint/linter/xhpast/rules/ArcanistProductNameLiteralXHPASTLinterRule.php b/src/lint/linter/xhpast/rules/ArcanistProductNameLiteralXHPASTLinterRule.php
new file mode 100644
--- /dev/null
+++ b/src/lint/linter/xhpast/rules/ArcanistProductNameLiteralXHPASTLinterRule.php
@@ -0,0 +1,67 @@
+<?php
+
+final class ArcanistProductNameLiteralXHPASTLinterRule
+  extends ArcanistXHPASTLinterRule {
+
+  const ID = 134;
+
+  public function getLintName() {
+    return pht('Use of Product Name Literal');
+  }
+
+  public function getLintSeverity() {
+    return ArcanistLintSeverity::SEVERITY_WARNING;
+  }
+
+  public function process(XHPASTNode $root) {
+    $calls = $root->selectDescendantsOfType('n_FUNCTION_CALL');
+
+    $product_names = PlatformSymbols::getProductNames();
+    foreach ($product_names as $k => $product_name) {
+      $product_names[$k] = preg_quote($product_name);
+    }
+
+    $search_pattern = '(\b(?:'.implode('|', $product_names).')\b)i';
+
+    foreach ($calls as $call) {
+      $name = $call->getChildByIndex(0)->getConcreteString();
+
+      if ($name !== 'pht') {
+        continue;
+      }
+
+      $parameters = $call->getChildByIndex(1);
+
+      if (!$parameters->getChildren()) {
+        continue;
+      }
+
+      $identifier = $parameters->getChildByIndex(0);
+      if (!$identifier->isConstantString()) {
+        continue;
+      }
+
+      $literal_value = $identifier->getStringLiteralValue();
+
+      $matches = phutil_preg_match_all($search_pattern, $literal_value);
+      if (!$matches[0]) {
+        continue;
+      }
+
+      $name_list = array();
+      foreach ($matches[0] as $match) {
+        $name_list[phutil_utf8_strtolower($match)] = $match;
+      }
+      $name_list = implode(', ', $name_list);
+
+      $this->raiseLintAtNode(
+        $identifier,
+        pht(
+          'Avoid use of product name literals in "pht()": use generic '.
+          'language or an appropriate method from the "PlatformSymbols" class '.
+          'instead so the software can be forked. String uses names: %s.',
+          $name_list));
+    }
+  }
+
+}
diff --git a/src/platform/PlatformSymbols.php b/src/platform/PlatformSymbols.php
new file mode 100644
--- /dev/null
+++ b/src/platform/PlatformSymbols.php
@@ -0,0 +1,21 @@
+<?php
+
+final class PlatformSymbols
+  extends Phobject {
+
+  public static function getPlatformClientName() {
+    return 'Arcanist';
+  }
+
+  public static function getPlatformServerName() {
+    return 'Phabricator';
+  }
+
+  public static function getProductNames() {
+    return array(
+      self::getPlatformClientName(),
+      self::getPlatformServerName(),
+    );
+  }
+
+}