diff --git a/packages/google-cloud-firestore/google/cloud/firestore_v1/field_path.py b/packages/google-cloud-firestore/google/cloud/firestore_v1/field_path.py
index 45931e9efdad..e14de997e1d0 100644
--- a/packages/google-cloud-firestore/google/cloud/firestore_v1/field_path.py
+++ b/packages/google-cloud-firestore/google/cloud/firestore_v1/field_path.py
@@ -36,7 +36,7 @@
 _LEADING_ALPHA_INVALID = re.compile(r"^[_a-zA-Z][_a-zA-Z0-9]*[~*/\[\]]")
 PATH_ELEMENT_TOKENS = [
     ("SIMPLE", r"[_a-zA-Z][_a-zA-Z0-9]*"),  # unquoted elements
-    ("QUOTED", r"`(?:\\`|[^`])*?`"),  # quoted elements, unquoted
+    ("QUOTED", r"`(?:\\.|[^`\\])*`"),  # quoted elements, unquoted
     ("DOT", r"\."),  # separator
 ]
 TOKENS_PATTERN = "|".join("(?P<{}>{})".format(*pair) for pair in PATH_ELEMENT_TOKENS)
diff --git a/packages/google-cloud-firestore/tests/unit/v1/test_field_path.py b/packages/google-cloud-firestore/tests/unit/v1/test_field_path.py
index 5efbadbd3a6e..13659dea10af 100644
--- a/packages/google-cloud-firestore/tests/unit/v1/test_field_path.py
+++ b/packages/google-cloud-firestore/tests/unit/v1/test_field_path.py
@@ -59,6 +59,10 @@ def test__tokenize_field_path_w_dotted_escaped():
     _expect_tokenize_field_path("_0.`1`.`+2`", ["_0", ".", "`1`", ".", "`+2`"])
 
 
+def test__tokenize_field_path_w_quoted_trailing_escaped_backslash():
+    _expect_tokenize_field_path(r"`a\\`.`b c`", [r"`a\\`", ".", "`b c`"])
+
+
 def test__tokenize_field_path_w_unconsumed_characters():
     from google.cloud.firestore_v1 import field_path
 
@@ -150,6 +154,12 @@ def test_parse_field_path_w_escaped_backslash():
     assert field_path.parse_field_path("`a\\\\b`.c.d") == ["a\\b", "c", "d"]
 
 
+def test_parse_field_path_w_trailing_escaped_backslash():
+    from google.cloud.firestore_v1 import field_path
+
+    assert field_path.parse_field_path("`a\\\\`.`b c`") == ["a\\", "b c"]
+
+
 def test_parse_field_path_w_first_name_escaped_wo_closing_backtick():
     from google.cloud.firestore_v1 import field_path
 
@@ -451,6 +461,14 @@ def test_fieldpath_from_string_w_non_ascii_dotted():
     assert field_path.parts == ("a", "一")
 
 
+def test_fieldpath_from_string_w_trailing_escaped_backslash():
+    from google.cloud.firestore_v1 import field_path
+
+    path_string = field_path.FieldPath("a\\", "b c").to_api_repr()
+    field_path = field_path.FieldPath.from_string(path_string)
+    assert field_path.parts == ("a\\", "b c")
+
+
 def test_fieldpath___hash___w_single_part():
     field_path = _make_field_path("a")
     assert hash(field_path) == hash("a")