diff --git a/swh/indexer/metadata_dictionary.py b/swh/indexer/metadata_dictionary.py
--- a/swh/indexer/metadata_dictionary.py
+++ b/swh/indexer/metadata_dictionary.py
@@ -246,6 +246,7 @@
         d = xmltodict.parse(content)['project']
         metadata = self.translate_dict(d, normalize=False)
         metadata[SCHEMA_URI+'codeRepository'] = self.parse_repositories(d)
+        metadata[SCHEMA_URI+'license'] = self.parse_licenses(d)
         return self.normalize_translation(metadata)
 
     _default_repository = {'url': 'https://repo.maven.apache.org/maven2/'}
@@ -278,6 +279,62 @@
     def normalize_groupId(self, id_):
         return {"@id": id_}
 
+    def parse_licenses(self, d):
+        """https://maven.apache.org/pom.html#Licenses
+
+        The origin XML has the form:
+
+            <licenses>
+              <license>
+                <name>Apache License, Version 2.0</name>
+                <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
+              </license>
+            </licenses>
+
+        Which was translated to a dict by xmltodict and is given as `d`:
+
+        >>> d = {
+        ...     # ...
+        ...     "licenses": {
+        ...         "license": {
+        ...             "name": "Apache License, Version 2.0",
+        ...             "url":
+        ...             "https://www.apache.org/licenses/LICENSE-2.0.txt"
+        ...         }
+        ...     }
+        ... }
+        >>> MavenMapping().parse_licenses(d)
+        [{'@id': 'https://www.apache.org/licenses/LICENSE-2.0.txt'}]
+
+        or, if there are more than one license:
+
+        >>> from pprint import pprint
+        >>> d = {
+        ...     # ...
+        ...     "licenses": {
+        ...         "license": [
+        ...             {
+        ...                 "name": "Apache License, Version 2.0",
+        ...                 "url":
+        ...                 "https://www.apache.org/licenses/LICENSE-2.0.txt"
+        ...             },
+        ...             {
+        ...                 "name": "MIT License, ",
+        ...                 "url": "https://opensource.org/licenses/MIT"
+        ...             }
+        ...         ]
+        ...     }
+        ... }
+        >>> pprint(MavenMapping().parse_licenses(d))
+        [{'@id': 'https://www.apache.org/licenses/LICENSE-2.0.txt'},
+         {'@id': 'https://opensource.org/licenses/MIT'}]
+        """
+
+        licenses = d.get('licenses', {}).get('license', [])
+        if isinstance(licenses, dict):
+            licenses = [licenses]
+        return [{"@id": license['url']} for license in licenses]
+
 
 def main():
     raw_content = """{"name": "test_name", "unknown_term": "ut"}"""
diff --git a/swh/indexer/tests/test_metadata.py b/swh/indexer/tests/test_metadata.py
--- a/swh/indexer/tests/test_metadata.py
+++ b/swh/indexer/tests/test_metadata.py
@@ -426,6 +426,14 @@
               </snapshots>
             </repository>
           </repositories>
+          <licenses>
+            <license>
+              <name>Apache License, Version 2.0</name>
+              <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
+              <distribution>repo</distribution>
+              <comments>A business-friendly OSS license</comments>
+            </license>
+          </licenses>
         </project>"""
         result = MAPPINGS["MavenMapping"].translate(raw_content)
         self.assertEqual(result, {
@@ -434,9 +442,87 @@
             'name': 'Maven Default Project',
             'identifier': 'com.mycompany.app',
             'version': '1.2.3',
+            'license': 'https://www.apache.org/licenses/LICENSE-2.0.txt',
             'codeRepository':
                 'http://repo1.maven.org/maven2/com/mycompany/app/my-app',
-            })
+        })
+
+    def test_compute_metadata_maven_minimal(self):
+        raw_content = b"""
+        <project>
+          <name>Maven Default Project</name>
+          <modelVersion>4.0.0</modelVersion>
+          <groupId>com.mycompany.app</groupId>
+          <artifactId>my-app</artifactId>
+          <version>1.2.3</version>
+        </project>"""
+        result = MAPPINGS["MavenMapping"].translate(raw_content)
+        self.assertEqual(result, {
+            '@context': 'https://doi.org/10.5063/schema/codemeta-2.0',
+            'type': 'SoftwareSourceCode',
+            'name': 'Maven Default Project',
+            'identifier': 'com.mycompany.app',
+            'version': '1.2.3',
+            'codeRepository':
+            'https://repo.maven.apache.org/maven2/com/mycompany/app/my-app',
+            'license': [],
+        })
+
+    def test_compute_metadata_maven_multiple(self):
+        '''Tests when there are multiple code repos and licenses.'''
+        raw_content = b"""
+        <project>
+          <name>Maven Default Project</name>
+          <modelVersion>4.0.0</modelVersion>
+          <groupId>com.mycompany.app</groupId>
+          <artifactId>my-app</artifactId>
+          <version>1.2.3</version>
+          <repositories>
+            <repository>
+              <id>central</id>
+              <name>Maven Repository Switchboard</name>
+              <layout>default</layout>
+              <url>http://repo1.maven.org/maven2</url>
+              <snapshots>
+                <enabled>false</enabled>
+              </snapshots>
+            </repository>
+            <repository>
+              <id>example</id>
+              <name>Example Maven Repo</name>
+              <layout>default</layout>
+              <url>http://example.org/maven2</url>
+            </repository>
+          </repositories>
+          <licenses>
+            <license>
+              <name>Apache License, Version 2.0</name>
+              <url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
+              <distribution>repo</distribution>
+              <comments>A business-friendly OSS license</comments>
+            </license>
+            <license>
+              <name>MIT license</name>
+              <url>https://opensource.org/licenses/MIT</url>
+            </license>
+          </licenses>
+        </project>"""
+        result = MAPPINGS["MavenMapping"].translate(raw_content)
+        self.assertEqual(result, {
+            '@context': 'https://doi.org/10.5063/schema/codemeta-2.0',
+            'type': 'SoftwareSourceCode',
+            'name': 'Maven Default Project',
+            'identifier': 'com.mycompany.app',
+            'version': '1.2.3',
+            'license': [
+                'https://www.apache.org/licenses/LICENSE-2.0.txt',
+                'https://opensource.org/licenses/MIT',
+            ],
+            'codeRepository': [
+                'http://repo1.maven.org/maven2/com/mycompany/app/my-app',
+                'http://example.org/maven2/com/mycompany/app/my-app',
+            ]
+        })
 
     def test_revision_metadata_indexer(self):
         metadata_indexer = RevisionMetadataTestIndexer()
diff --git a/tox.ini b/tox.ini
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@
   pytest-cov
   pifpaf
 commands =
-  pifpaf run postgresql -- pytest --hypothesis-profile=fast --cov=swh --cov-branch {posargs}
+  pifpaf run postgresql -- pytest --doctest-modules --hypothesis-profile=fast --cov=swh --cov-branch {posargs}
 
 [testenv:py3-slow]
 deps =
@@ -15,7 +15,7 @@
   pytest-cov
   pifpaf
 commands =
-  pifpaf run postgresql -- pytest --hypothesis-profile=slow --cov=swh --cov-branch {posargs}
+  pifpaf run postgresql -- pytest --doctest-modules --hypothesis-profile=slow --cov=swh --cov-branch {posargs}
 
 [testenv:py3-prop]
 deps =
@@ -23,7 +23,7 @@
   pytest-cov
   pifpaf
 commands =
-  pifpaf run postgresql -- pytest --hypothesis-profile=fast -m property_based --disable-warnings
+  pifpaf run postgresql -- pytest --doctest-modules --hypothesis-profile=fast -m property_based --disable-warnings
 
 [testenv:flake8]
 skip_install = true