diff --git a/SPARC/__init__.py b/SPARC/__init__.py
index e69de29..d2a6334 100644
--- a/SPARC/__init__.py
+++ b/SPARC/__init__.py
@@ -0,0 +1,6 @@
+from .types import Patents, Patent
+
+all = [
+        "Patents",
+        "Patent"
+]
diff --git a/SPARC/types.py b/SPARC/types.py
new file mode 100644
index 0000000..fa9fa61
--- /dev/null
+++ b/SPARC/types.py
@@ -0,0 +1,11 @@
+from dataclass import dataclass
+
+@dataclass
+class Patent:
+  patent_id: int
+  pdf_link: str
+  summary: dict
+
+@dataclass
+class Patents:
+  patents: list[Patent]