diff --git a/cyclonedx/factory/license.py b/cyclonedx/factory/license.py
index d6446569..c5e0ffd1 100644
--- a/cyclonedx/factory/license.py
+++ b/cyclonedx/factory/license.py
@@ -21,7 +21,7 @@
 
 if TYPE_CHECKING:  # pragma: no cover
     from ..model import AttachedText, XsUri
-    from ..model.license import License
+    from ..model.license import License, LicenseAcknowledgement
 
 
 class LicenseFactory:
@@ -29,19 +29,30 @@ class LicenseFactory:
 
     def make_from_string(self, value: str, *,
                          license_text: Optional['AttachedText'] = None,
-                         license_url: Optional['XsUri'] = None) -> 'License':
+                         license_url: Optional['XsUri'] = None,
+                         license_acknowledgement: Optional['LicenseAcknowledgement'] = None
+                         ) -> 'License':
         """Make a :class:`cyclonedx.model.license.License` from a string."""
         try:
-            return self.make_with_id(value, text=license_text, url=license_url)
+            return self.make_with_id(value,
+                                     text=license_text,
+                                     url=license_url,
+                                     acknowledgement=license_acknowledgement)
         except InvalidSpdxLicenseException:
             pass
         try:
-            return self.make_with_expression(value)
+            return self.make_with_expression(value,
+                                             acknowledgement=license_acknowledgement)
         except InvalidLicenseExpressionException:
             pass
-        return self.make_with_name(value, text=license_text, url=license_url)
+        return self.make_with_name(value,
+                                   text=license_text,
+                                   url=license_url,
+                                   acknowledgement=license_acknowledgement)
 
-    def make_with_expression(self, expression: str) -> LicenseExpression:
+    def make_with_expression(self, expression: str, *,
+                             acknowledgement: Optional['LicenseAcknowledgement'] = None
+                             ) -> LicenseExpression:
         """Make a :class:`cyclonedx.model.license.LicenseExpression` with a compound expression.
 
         Utilizes :func:`cyclonedx.spdx.is_compound_expression`.
@@ -49,12 +60,14 @@ def make_with_expression(self, expression: str) -> LicenseExpression:
         :raises InvalidLicenseExpressionException: if param `value` is not known/supported license expression
         """
         if is_spdx_compound_expression(expression):
-            return LicenseExpression(expression)
+            return LicenseExpression(expression, acknowledgement=acknowledgement)
         raise InvalidLicenseExpressionException(expression)
 
     def make_with_id(self, spdx_id: str, *,
                      text: Optional['AttachedText'] = None,
-                     url: Optional['XsUri'] = None) -> DisjunctiveLicense:
+                     url: Optional['XsUri'] = None,
+                     acknowledgement: Optional['LicenseAcknowledgement'] = None
+                     ) -> DisjunctiveLicense:
         """Make a :class:`cyclonedx.model.license.DisjunctiveLicense` from an SPDX-ID.
 
         :raises InvalidSpdxLicenseException: if param `spdx_id` was not known/supported SPDX-ID
@@ -62,10 +75,12 @@ def make_with_id(self, spdx_id: str, *,
         spdx_license_id = spdx_fixup(spdx_id)
         if spdx_license_id is None:
             raise InvalidSpdxLicenseException(spdx_id)
-        return DisjunctiveLicense(id=spdx_license_id, text=text, url=url)
+        return DisjunctiveLicense(id=spdx_license_id, text=text, url=url, acknowledgement=acknowledgement)
 
     def make_with_name(self, name: str, *,
                        text: Optional['AttachedText'] = None,
-                       url: Optional['XsUri'] = None) -> DisjunctiveLicense:
+                       url: Optional['XsUri'] = None,
+                       acknowledgement: Optional['LicenseAcknowledgement'] = None
+                       ) -> DisjunctiveLicense:
         """Make a :class:`cyclonedx.model.license.DisjunctiveLicense` with a name."""
-        return DisjunctiveLicense(name=name, text=text, url=url)
+        return DisjunctiveLicense(name=name, text=text, url=url, acknowledgement=acknowledgement)
diff --git a/cyclonedx/model/license.py b/cyclonedx/model/license.py
index a926ad0c..d1977aae 100644
--- a/cyclonedx/model/license.py
+++ b/cyclonedx/model/license.py
@@ -250,6 +250,7 @@ class LicenseExpression:
 
     def __init__(
         self, value: str,
+        # *,  # all optional args are intended to be keyword-args
         acknowledgement: Optional[LicenseAcknowledgement] = None
     ) -> None:
         self._value = value
diff --git a/tests/test_factory_license.py b/tests/test_factory_license.py
index 7d21a1d3..05e6bd3a 100644
--- a/tests/test_factory_license.py
+++ b/tests/test_factory_license.py
@@ -21,7 +21,7 @@
 from cyclonedx.exception.factory import InvalidLicenseExpressionException, InvalidSpdxLicenseException
 from cyclonedx.factory.license import LicenseFactory
 from cyclonedx.model import AttachedText, XsUri
-from cyclonedx.model.license import DisjunctiveLicense, LicenseExpression
+from cyclonedx.model.license import DisjunctiveLicense, LicenseAcknowledgement, LicenseExpression
 
 
 class TestFactoryLicense(unittest.TestCase):
@@ -29,41 +29,52 @@ class TestFactoryLicense(unittest.TestCase):
     def test_make_from_string_with_id(self) -> None:
         text = unittest.mock.NonCallableMock(spec=AttachedText)
         url = unittest.mock.NonCallableMock(spec=XsUri)
-        expected = DisjunctiveLicense(id='bar', text=text, url=url)
+        acknowledgement = unittest.mock.NonCallableMock(spec=LicenseAcknowledgement)
+        expected = DisjunctiveLicense(id='bar', text=text, url=url, acknowledgement=acknowledgement)
 
         with unittest.mock.patch('cyclonedx.factory.license.spdx_fixup', return_value='bar'), \
                 unittest.mock.patch('cyclonedx.factory.license.is_spdx_compound_expression', return_value=True):
-            actual = LicenseFactory().make_from_string('foo', license_text=text, license_url=url)
+            actual = LicenseFactory().make_from_string('foo',
+                                                       license_text=text,
+                                                       license_url=url,
+                                                       license_acknowledgement=acknowledgement)
 
         self.assertEqual(expected, actual)
 
     def test_make_from_string_with_name(self) -> None:
         text = unittest.mock.NonCallableMock(spec=AttachedText)
         url = unittest.mock.NonCallableMock(spec=XsUri)
-        expected = DisjunctiveLicense(name='foo', text=text, url=url)
+        acknowledgement = unittest.mock.NonCallableMock(spec=LicenseAcknowledgement)
+        expected = DisjunctiveLicense(name='foo', text=text, url=url, acknowledgement=acknowledgement)
 
         with unittest.mock.patch('cyclonedx.factory.license.spdx_fixup', return_value=None), \
                 unittest.mock.patch('cyclonedx.factory.license.is_spdx_compound_expression', return_value=False):
-            actual = LicenseFactory().make_from_string('foo', license_text=text, license_url=url)
+            actual = LicenseFactory().make_from_string('foo',
+                                                       license_text=text,
+                                                       license_url=url,
+                                                       license_acknowledgement=acknowledgement)
 
         self.assertEqual(expected, actual)
 
     def test_make_from_string_with_expression(self) -> None:
-        expected = LicenseExpression('foo')
+        acknowledgement = unittest.mock.NonCallableMock(spec=LicenseAcknowledgement)
+        expected = LicenseExpression('foo', acknowledgement=acknowledgement)
 
         with unittest.mock.patch('cyclonedx.factory.license.spdx_fixup', return_value=None), \
                 unittest.mock.patch('cyclonedx.factory.license.is_spdx_compound_expression', return_value=True):
-            actual = LicenseFactory().make_from_string('foo')
+            actual = LicenseFactory().make_from_string('foo',
+                                                       license_acknowledgement=acknowledgement)
 
         self.assertEqual(expected, actual)
 
     def test_make_with_id(self) -> None:
         text = unittest.mock.NonCallableMock(spec=AttachedText)
         url = unittest.mock.NonCallableMock(spec=XsUri)
-        expected = DisjunctiveLicense(id='bar', text=text, url=url)
+        acknowledgement = unittest.mock.NonCallableMock(spec=LicenseAcknowledgement)
+        expected = DisjunctiveLicense(id='bar', text=text, url=url, acknowledgement=acknowledgement)
 
         with unittest.mock.patch('cyclonedx.factory.license.spdx_fixup', return_value='bar'):
-            actual = LicenseFactory().make_with_id(spdx_id='foo', text=text, url=url)
+            actual = LicenseFactory().make_with_id(spdx_id='foo', text=text, url=url, acknowledgement=acknowledgement)
 
         self.assertEqual(expected, actual)
 
@@ -75,14 +86,16 @@ def test_make_with_id_raises(self) -> None:
     def test_make_with_name(self) -> None:
         text = unittest.mock.NonCallableMock(spec=AttachedText)
         url = unittest.mock.NonCallableMock(spec=XsUri)
-        expected = DisjunctiveLicense(name='foo', text=text, url=url)
-        actual = LicenseFactory().make_with_name(name='foo', text=text, url=url)
+        acknowledgement = unittest.mock.NonCallableMock(spec=LicenseAcknowledgement)
+        expected = DisjunctiveLicense(name='foo', text=text, url=url, acknowledgement=acknowledgement)
+        actual = LicenseFactory().make_with_name(name='foo', text=text, url=url, acknowledgement=acknowledgement)
         self.assertEqual(expected, actual)
 
     def test_make_with_expression(self) -> None:
-        expected = LicenseExpression('foo')
+        acknowledgement = unittest.mock.NonCallableMock(spec=LicenseAcknowledgement)
+        expected = LicenseExpression('foo', acknowledgement=acknowledgement)
         with unittest.mock.patch('cyclonedx.factory.license.is_spdx_compound_expression', return_value=True):
-            actual = LicenseFactory().make_with_expression(expression='foo')
+            actual = LicenseFactory().make_with_expression(expression='foo', acknowledgement=acknowledgement)
         self.assertEqual(expected, actual)
 
     def test_make_with_expression_raises(self) -> None: