diff --git a/.license-tools-config.json b/.license-tools-config.json
new file mode 100644
index 00000000..7e80e63f
--- /dev/null
+++ b/.license-tools-config.json
@@ -0,0 +1,45 @@
+{
+  "author": {
+    "name": "Chair for Design Automation, TUM\nCopyright (c) 2025 - 2026 Munich Quantum Software Company GmbH",
+    "years": [2023, 2026]
+  },
+  "force_author": true,
+  "force_license": true,
+  "license": "MIT",
+  "title": false,
+  "include": ["**/*"],
+  "style_override_for_suffix": {
+    ".pyi": "DOCSTRING_STYLE",
+    ".js": "C_STYLE",
+    ".ts": "C_STYLE"
+  },
+  "exclude": [
+    "^\\.[^/]+",
+    "/\\.[^/]+",
+    ".*\\.qasm",
+    ".*\\.md",
+    ".*\\.bib",
+    ".*\\.cff",
+    ".*\\.css",
+    ".*\\.json",
+    ".*\\.html",
+    ".*\\.tfc",
+    ".*\\.qc",
+    ".*\\.real",
+    ".*\\.tex",
+    ".*\\.toml",
+    ".*\\.yaml",
+    "uv\\.lock",
+    "py\\.typed",
+    ".*build.*",
+    ".*\\.ipynb",
+    ".*\\.atsp",
+    ".*\\.csv",
+    ".*\\.hcp",
+    ".*\\.tsp",
+    ".*\\.tsx",
+    ".*\\.txt",
+    ".*\\.sop",
+    ".*\\.vrp"
+  ]
+}
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 382051a6..5d9379ec 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -58,6 +58,12 @@ repos:
       - id: rst-directive-colons
       - id: rst-inline-touching-normal
 
+  # Check for license headers
+  - repo: https://github.com/emzeat/mz-lictools
+    rev: v2.9.0
+    hooks:
+      - id: license-tools
+
   # Ensure uv lock file is up-to-date
   - repo: https://github.com/astral-sh/uv-pre-commit
     rev: 0.9.24
@@ -102,7 +108,7 @@ repos:
           - mqt-bench>=2.0.1
 
   # Check for spelling
-  - repo: https://github.com/crate-ci/typos
+  - repo: https://github.com/adhtruong/mirrors-typos
     rev: v1.42.0
     hooks:
       - id: typos
diff --git a/LICENSE.md b/LICENSE.md
index 1215c7de..8eada1fb 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,7 +1,7 @@
 MIT License
 
-Copyright (c) 2023 - 2025 Chair for Design Automation, TUM
-Copyright (c) 2025 Munich Quantum Software Company GmbH
+Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/docs/_static/error_budget_approach.svg b/docs/_static/error_budget_approach.svg
index 7cb65aea..fddf5d1b 100644
--- a/docs/_static/error_budget_approach.svg
+++ b/docs/_static/error_budget_approach.svg
@@ -1,4 +1,14 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!--
+ Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+ Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+ All rights reserved.
+
+ SPDX-License-Identifier: MIT
+
+ Licensed under the MIT License
+-->
+
 <!-- Created with Inkscape (http://www.inkscape.org/) -->
 
 <svg
diff --git a/docs/conf.py b/docs/conf.py
index c90a7eff..6a0dfe38 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,5 +1,5 @@
-# Copyright (c) 2023 - 2025 Chair for Design Automation, TUM
-# Copyright (c) 2025 Munich Quantum Software Company GmbH
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
 # All rights reserved.
 #
 # SPDX-License-Identifier: MIT
@@ -48,7 +48,7 @@
 project = "MQT ProblemSolver"
 author = "Chair for Design Automation, TUM & Munich Quantum Software Company"
 language = "en"
-project_copyright = "2023 - 2025 Chair for Design Automation, TUM & 2025 Munich Quantum Software Company"
+project_copyright = "2023 - 2026 Chair for Design Automation, TUM & 2025 - 2026 Munich Quantum Software Company"
 
 master_doc = "index"
 
diff --git a/notebooks/qubo_tools/input/graph b/notebooks/qubo_tools/input/graph.txt
similarity index 100%
rename from notebooks/qubo_tools/input/graph
rename to notebooks/qubo_tools/input/graph.txt
diff --git a/notebooks/qubo_tools/tsp.ipynb b/notebooks/qubo_tools/tsp.ipynb
index 5dca0ba5..ebfbc691 100644
--- a/notebooks/qubo_tools/tsp.ipynb
+++ b/notebooks/qubo_tools/tsp.ipynb
@@ -29,7 +29,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "with Path(\"input/graph\").open(encoding=locale.getpreferredencoding(False)) as file:\n",
+    "with Path(\"input/graph.txt\").open(encoding=locale.getpreferredencoding(False)) as file:\n",
     "    graph = Graph.read(file)"
    ]
   },
diff --git a/noxfile.py b/noxfile.py
index 0d81a23d..a4b4df08 100755
--- a/noxfile.py
+++ b/noxfile.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env -S uv run --script --quiet
-# Copyright (c) 2023 - 2025 Chair for Design Automation, TUM
-# Copyright (c) 2025 Munich Quantum Software Company GmbH
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
 # All rights reserved.
 #
 # SPDX-License-Identifier: MIT
diff --git a/pyproject.toml b/pyproject.toml
index a043dd2e..dbcfc079 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,17 +51,19 @@ dependencies = [
 classifiers = [
     "Development Status :: 4 - Beta",
     "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "Natural Language :: English",
     "Operating System :: Microsoft :: Windows",
     "Operating System :: MacOS",
     "Operating System :: POSIX :: Linux",
+    "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
-    "Intended Audience :: Science/Research",
-    "Natural Language :: English",
     "Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)",
+    "Typing :: Typed",
 ]
 
 [dependency-groups]
@@ -256,7 +258,10 @@ aer = "aer"
 
 
 [tool.repo-review]
-ignore = ["GH200"]
+ignore = [
+    "GH200", # We use Renovate instead of Dependabot
+    "PC160", # We use a mirror of crate-ci/typos
+]
 
 
 [tool.check-sdist]
diff --git a/sitecustomize.py b/sitecustomize.py
index cf9288dd..717c80b4 100644
--- a/sitecustomize.py
+++ b/sitecustomize.py
@@ -1,5 +1,5 @@
-# Copyright (c) 2023 - 2025 Chair for Design Automation, TUM
-# Copyright (c) 2025 Munich Quantum Software Company GmbH
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
 # All rights reserved.
 #
 # SPDX-License-Identifier: MIT
diff --git a/src/mqt/problemsolver/__init__.py b/src/mqt/problemsolver/__init__.py
index 188799b2..7cb40a4b 100644
--- a/src/mqt/problemsolver/__init__.py
+++ b/src/mqt/problemsolver/__init__.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from ._version import version as __version__
diff --git a/src/mqt/problemsolver/_version.pyi b/src/mqt/problemsolver/_version.pyi
index 9312dffe..fe3df530 100644
--- a/src/mqt/problemsolver/_version.pyi
+++ b/src/mqt/problemsolver/_version.pyi
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 __version__: str
 version: str
 __version_tuple__: tuple[int, int, int, str, str] | tuple[int, int, int]
diff --git a/src/mqt/problemsolver/csp.py b/src/mqt/problemsolver/csp.py
index 14e36c30..95c9a493 100644
--- a/src/mqt/problemsolver/csp.py
+++ b/src/mqt/problemsolver/csp.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING, TypedDict
diff --git a/src/mqt/problemsolver/equivalence_checking/equivalence_checking.py b/src/mqt/problemsolver/equivalence_checking/equivalence_checking.py
index 24900c40..8b91affc 100644
--- a/src/mqt/problemsolver/equivalence_checking/equivalence_checking.py
+++ b/src/mqt/problemsolver/equivalence_checking/equivalence_checking.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """This module provides functions to check the equivalence of two circuits using Grover's algorithm."""
 
 from __future__ import annotations
diff --git a/src/mqt/problemsolver/partial_compiler/evaluator.py b/src/mqt/problemsolver/partial_compiler/evaluator.py
index 93120bca..8e7285fc 100644
--- a/src/mqt/problemsolver/partial_compiler/evaluator.py
+++ b/src/mqt/problemsolver/partial_compiler/evaluator.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from time import time
diff --git a/src/mqt/problemsolver/partial_compiler/qaoa.py b/src/mqt/problemsolver/partial_compiler/qaoa.py
index 4ddc0653..95930442 100644
--- a/src/mqt/problemsolver/partial_compiler/qaoa.py
+++ b/src/mqt/problemsolver/partial_compiler/qaoa.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING
diff --git a/src/mqt/problemsolver/qubo_tools/__init__.py b/src/mqt/problemsolver/qubo_tools/__init__.py
index 85bd9544..8f6ec4bc 100644
--- a/src/mqt/problemsolver/qubo_tools/__init__.py
+++ b/src/mqt/problemsolver/qubo_tools/__init__.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """A package for generating QUBO formulations automatically from a set of constraints for different problem classes.
 
 It allows users to create a `QuboGenerator` object, and gradually add penalty terms and constraints to it.
diff --git a/src/mqt/problemsolver/qubo_tools/device.py b/src/mqt/problemsolver/qubo_tools/device.py
index 01ee028f..9e305e25 100644
--- a/src/mqt/problemsolver/qubo_tools/device.py
+++ b/src/mqt/problemsolver/qubo_tools/device.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Represents device information and utility methods for quantum devices."""
 
 from __future__ import annotations
diff --git a/src/mqt/problemsolver/qubo_tools/pathfinder/__init__.py b/src/mqt/problemsolver/qubo_tools/pathfinder/__init__.py
index 5f2c45da..1322668a 100644
--- a/src/mqt/problemsolver/qubo_tools/pathfinder/__init__.py
+++ b/src/mqt/problemsolver/qubo_tools/pathfinder/__init__.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """This module implements the pathfinding functionalities of the `qubo_tools`.
 
 This, in particular, includes all pathfinding-related cost functions and the specialized QUBO generator for pathfinding problems.
diff --git a/src/mqt/problemsolver/qubo_tools/pathfinder/cost_functions.py b/src/mqt/problemsolver/qubo_tools/pathfinder/cost_functions.py
index 414768b2..25898fd4 100644
--- a/src/mqt/problemsolver/qubo_tools/pathfinder/cost_functions.py
+++ b/src/mqt/problemsolver/qubo_tools/pathfinder/cost_functions.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Includes all cost functions supported by the pathfinding QuboGenerator."""
 
 from __future__ import annotations
diff --git a/src/mqt/problemsolver/qubo_tools/pathfinder/graph.py b/src/mqt/problemsolver/qubo_tools/pathfinder/graph.py
index da33c4cd..cf128a71 100644
--- a/src/mqt/problemsolver/qubo_tools/pathfinder/graph.py
+++ b/src/mqt/problemsolver/qubo_tools/pathfinder/graph.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Provides a simple implementation for graphs to be used with `qubo_tools`."""
 
 from __future__ import annotations
diff --git a/src/mqt/problemsolver/qubo_tools/pathfinder/pathfinder.py b/src/mqt/problemsolver/qubo_tools/pathfinder/pathfinder.py
index edd3fd53..3bc05666 100644
--- a/src/mqt/problemsolver/qubo_tools/pathfinder/pathfinder.py
+++ b/src/mqt/problemsolver/qubo_tools/pathfinder/pathfinder.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """This module is responsible for the pathfinding version of the QuboGenerator."""
 
 from __future__ import annotations
diff --git a/src/mqt/problemsolver/qubo_tools/pathfinder/tsplib.py b/src/mqt/problemsolver/qubo_tools/pathfinder/tsplib.py
index 34cefee1..57e3cc98 100644
--- a/src/mqt/problemsolver/qubo_tools/pathfinder/tsplib.py
+++ b/src/mqt/problemsolver/qubo_tools/pathfinder/tsplib.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Provides support for the TSPLib format as input for the pathfinding `QuboGenerator`."""
 
 from __future__ import annotations
diff --git a/src/mqt/problemsolver/qubo_tools/qubo_generator.py b/src/mqt/problemsolver/qubo_tools/qubo_generator.py
index c3f82ecc..4e368e10 100644
--- a/src/mqt/problemsolver/qubo_tools/qubo_generator.py
+++ b/src/mqt/problemsolver/qubo_tools/qubo_generator.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Provides a base class for QUBO generators that can be extended for different problem classes."""
 
 from __future__ import annotations
diff --git a/src/mqt/problemsolver/resource_estimation/__init__.py b/src/mqt/problemsolver/resource_estimation/__init__.py
index e69de29b..38212b5a 100644
--- a/src/mqt/problemsolver/resource_estimation/__init__.py
+++ b/src/mqt/problemsolver/resource_estimation/__init__.py
@@ -0,0 +1,7 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
diff --git a/src/mqt/problemsolver/resource_estimation/error_budget_optimization/__init__.py b/src/mqt/problemsolver/resource_estimation/error_budget_optimization/__init__.py
index ce33edea..f96110ed 100644
--- a/src/mqt/problemsolver/resource_estimation/error_budget_optimization/__init__.py
+++ b/src/mqt/problemsolver/resource_estimation/error_budget_optimization/__init__.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from .evaluate import evaluate, plot_results
diff --git a/src/mqt/problemsolver/resource_estimation/error_budget_optimization/evaluate.py b/src/mqt/problemsolver/resource_estimation/error_budget_optimization/evaluate.py
index 75546b7e..f0c471d6 100644
--- a/src/mqt/problemsolver/resource_estimation/error_budget_optimization/evaluate.py
+++ b/src/mqt/problemsolver/resource_estimation/error_budget_optimization/evaluate.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING
diff --git a/src/mqt/problemsolver/resource_estimation/error_budget_optimization/generate_data.py b/src/mqt/problemsolver/resource_estimation/error_budget_optimization/generate_data.py
index a21da67a..b2042fe4 100644
--- a/src/mqt/problemsolver/resource_estimation/error_budget_optimization/generate_data.py
+++ b/src/mqt/problemsolver/resource_estimation/error_budget_optimization/generate_data.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 import copy
diff --git a/src/mqt/problemsolver/resource_estimation/error_budget_optimization/training.py b/src/mqt/problemsolver/resource_estimation/error_budget_optimization/training.py
index 5e244097..d90d0452 100644
--- a/src/mqt/problemsolver/resource_estimation/error_budget_optimization/training.py
+++ b/src/mqt/problemsolver/resource_estimation/error_budget_optimization/training.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING
diff --git a/src/mqt/problemsolver/resource_estimation/fault_tolerant_optimization/__init__.py b/src/mqt/problemsolver/resource_estimation/fault_tolerant_optimization/__init__.py
index 46eec287..172b3116 100644
--- a/src/mqt/problemsolver/resource_estimation/fault_tolerant_optimization/__init__.py
+++ b/src/mqt/problemsolver/resource_estimation/fault_tolerant_optimization/__init__.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from .generate_data import (
diff --git a/src/mqt/problemsolver/resource_estimation/fault_tolerant_optimization/generate_data.py b/src/mqt/problemsolver/resource_estimation/fault_tolerant_optimization/generate_data.py
index 9ac1f8ce..f652711b 100644
--- a/src/mqt/problemsolver/resource_estimation/fault_tolerant_optimization/generate_data.py
+++ b/src/mqt/problemsolver/resource_estimation/fault_tolerant_optimization/generate_data.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 import pathlib
diff --git a/src/mqt/problemsolver/satellite_solver/__init__.py b/src/mqt/problemsolver/satellite_solver/__init__.py
index e69de29b..38212b5a 100644
--- a/src/mqt/problemsolver/satellite_solver/__init__.py
+++ b/src/mqt/problemsolver/satellite_solver/__init__.py
@@ -0,0 +1,7 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
diff --git a/src/mqt/problemsolver/satellite_solver/algorithms.py b/src/mqt/problemsolver/satellite_solver/algorithms.py
index 55a22278..906fcb8b 100644
--- a/src/mqt/problemsolver/satellite_solver/algorithms.py
+++ b/src/mqt/problemsolver/satellite_solver/algorithms.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING
diff --git a/src/mqt/problemsolver/satellite_solver/evaluator.py b/src/mqt/problemsolver/satellite_solver/evaluator.py
index c6ce4922..b86cc6cc 100644
--- a/src/mqt/problemsolver/satellite_solver/evaluator.py
+++ b/src/mqt/problemsolver/satellite_solver/evaluator.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from time import time
diff --git a/src/mqt/problemsolver/satellite_solver/imaging_location.py b/src/mqt/problemsolver/satellite_solver/imaging_location.py
index 77a6c573..15e0a361 100644
--- a/src/mqt/problemsolver/satellite_solver/imaging_location.py
+++ b/src/mqt/problemsolver/satellite_solver/imaging_location.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from typing import Any, cast
diff --git a/src/mqt/problemsolver/satellite_solver/utils.py b/src/mqt/problemsolver/satellite_solver/utils.py
index c4c7a1c6..695da233 100644
--- a/src/mqt/problemsolver/satellite_solver/utils.py
+++ b/src/mqt/problemsolver/satellite_solver/utils.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING, cast
diff --git a/src/mqt/problemsolver/tsp.py b/src/mqt/problemsolver/tsp.py
index 6252afae..d90b4262 100644
--- a/src/mqt/problemsolver/tsp.py
+++ b/src/mqt/problemsolver/tsp.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 # Code is adapted from https://arxiv.org/abs/1805.10928 and https://qiskit.org/textbook/ch-paper-implementations/tsp.html
 from __future__ import annotations
 
diff --git a/stubs/sympy/__init__.pyi b/stubs/sympy/__init__.pyi
index 1bcf9a6f..c2b1e8fe 100644
--- a/stubs/sympy/__init__.pyi
+++ b/stubs/sympy/__init__.pyi
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from typing import Any
 
 import typing_extensions
diff --git a/tests/qubo_tools/__init__.py b/tests/qubo_tools/__init__.py
index 36be3845..efc5ff7c 100644
--- a/tests/qubo_tools/__init__.py
+++ b/tests/qubo_tools/__init__.py
@@ -1 +1,9 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """General tests for qubo_tools."""
diff --git a/tests/qubo_tools/pathfinder/__init__.py b/tests/qubo_tools/pathfinder/__init__.py
index 60119986..ea83655a 100644
--- a/tests/qubo_tools/pathfinder/__init__.py
+++ b/tests/qubo_tools/pathfinder/__init__.py
@@ -1 +1,9 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """A set of tests for the `pathfinder` module of the `qubo_tools`."""
diff --git a/tests/qubo_tools/pathfinder/test_cost_functions.py b/tests/qubo_tools/pathfinder/test_cost_functions.py
index 3e3dca30..792d4501 100644
--- a/tests/qubo_tools/pathfinder/test_cost_functions.py
+++ b/tests/qubo_tools/pathfinder/test_cost_functions.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Tests for the correctness of all cost functions of the pathfinder module."""
 
 from __future__ import annotations
diff --git a/tests/qubo_tools/pathfinder/test_json_input.py b/tests/qubo_tools/pathfinder/test_json_input.py
index 255065d4..63004db7 100644
--- a/tests/qubo_tools/pathfinder/test_json_input.py
+++ b/tests/qubo_tools/pathfinder/test_json_input.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Tests the correctness of the JSON input format."""
 
 from __future__ import annotations
diff --git a/tests/qubo_tools/pathfinder/test_pathfinder.py b/tests/qubo_tools/pathfinder/test_pathfinder.py
index 2ad257bc..75b86431 100644
--- a/tests/qubo_tools/pathfinder/test_pathfinder.py
+++ b/tests/qubo_tools/pathfinder/test_pathfinder.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Tests the end-to-end performance of the pathfinder module."""
 
 from __future__ import annotations
diff --git a/tests/qubo_tools/pathfinder/test_tsplib_input.py b/tests/qubo_tools/pathfinder/test_tsplib_input.py
index 93ca3343..46bdf73b 100644
--- a/tests/qubo_tools/pathfinder/test_tsplib_input.py
+++ b/tests/qubo_tools/pathfinder/test_tsplib_input.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Tests the correctness of the tsplib input format."""
 
 from __future__ import annotations
diff --git a/tests/qubo_tools/pathfinder/utils_test.py b/tests/qubo_tools/pathfinder/utils_test.py
index 7f90928a..8489654a 100644
--- a/tests/qubo_tools/pathfinder/utils_test.py
+++ b/tests/qubo_tools/pathfinder/utils_test.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """This module provides utility functions for testing the pathfinder module."""
 
 from __future__ import annotations
diff --git a/tests/qubo_tools/test_circuit_generation.py b/tests/qubo_tools/test_circuit_generation.py
index f4920e74..acbdbd3a 100644
--- a/tests/qubo_tools/test_circuit_generation.py
+++ b/tests/qubo_tools/test_circuit_generation.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """This module tests the generation of QAOA circuits (both the standard and heavy-hex optimized variants)."""
 
 from __future__ import annotations
diff --git a/tests/qubo_tools/test_device.py b/tests/qubo_tools/test_device.py
index ba34aadc..22b59af4 100644
--- a/tests/qubo_tools/test_device.py
+++ b/tests/qubo_tools/test_device.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Tests the features of the device representation module."""
 
 from __future__ import annotations
diff --git a/tests/qubo_tools/test_graph.py b/tests/qubo_tools/test_graph.py
index 4777776c..5882cabc 100644
--- a/tests/qubo_tools/test_graph.py
+++ b/tests/qubo_tools/test_graph.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Tests the features of the `graph` module."""
 
 from __future__ import annotations
diff --git a/tests/resource_estimation/test_error_budget_optimization.py b/tests/resource_estimation/test_error_budget_optimization.py
index 19082d16..695ab92a 100644
--- a/tests/resource_estimation/test_error_budget_optimization.py
+++ b/tests/resource_estimation/test_error_budget_optimization.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from mqt.problemsolver.resource_estimation.error_budget_optimization import evaluate, generate_data, train
diff --git a/tests/resource_estimation/test_fault_tolerant_optimization.py b/tests/resource_estimation/test_fault_tolerant_optimization.py
index 95ff5421..a9e38bad 100644
--- a/tests/resource_estimation/test_fault_tolerant_optimization.py
+++ b/tests/resource_estimation/test_fault_tolerant_optimization.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from pathlib import Path
diff --git a/tests/test_csp.py b/tests/test_csp.py
index e1d0107f..6b85c99e 100644
--- a/tests/test_csp.py
+++ b/tests/test_csp.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from mqt.problemsolver.csp import CSP
diff --git a/tests/test_equivalence_checking.py b/tests/test_equivalence_checking.py
index d5d02f89..e08742c1 100644
--- a/tests/test_equivalence_checking.py
+++ b/tests/test_equivalence_checking.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 """Test the equivalence_checker.py module."""
 
 from __future__ import annotations
diff --git a/tests/test_qaoa.py b/tests/test_qaoa.py
index 76292c69..9e1fd770 100644
--- a/tests/test_qaoa.py
+++ b/tests/test_qaoa.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from qiskit import QuantumCircuit
diff --git a/tests/test_satellite_solver.py b/tests/test_satellite_solver.py
index 39694710..ad1eeefa 100644
--- a/tests/test_satellite_solver.py
+++ b/tests/test_satellite_solver.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING
diff --git a/tests/test_tsp.py b/tests/test_tsp.py
index 06c3f830..ac930a9b 100644
--- a/tests/test_tsp.py
+++ b/tests/test_tsp.py
@@ -1,3 +1,11 @@
+# Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+# Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+# All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+# Licensed under the MIT License
+
 from __future__ import annotations
 
 from mqt.problemsolver.tsp import TSP
diff --git a/webpage/app/settings.ts b/webpage/app/settings.ts
index 865414b8..348e0130 100644
--- a/webpage/app/settings.ts
+++ b/webpage/app/settings.ts
@@ -1,3 +1,13 @@
+/*
+ * Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+ * Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Licensed under the MIT License
+ */
+
 class Settings {
 
     encoding: number = -1;
diff --git a/webpage/next.config.js b/webpage/next.config.js
index f73ed2d8..33a371f1 100644
--- a/webpage/next.config.js
+++ b/webpage/next.config.js
@@ -1,3 +1,13 @@
+/*
+ * Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+ * Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Licensed under the MIT License
+ */
+
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   output: "export",
diff --git a/webpage/postcss.config.js b/webpage/postcss.config.js
index 483f3785..fa8931ac 100644
--- a/webpage/postcss.config.js
+++ b/webpage/postcss.config.js
@@ -1,3 +1,13 @@
+/*
+ * Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+ * Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Licensed under the MIT License
+ */
+
 module.exports = {
   plugins: {
     "@tailwindcss/postcss": {},
diff --git a/webpage/public/tum_logo.svg b/webpage/public/tum_logo.svg
index 82e10927..b2fc6fd7 100644
--- a/webpage/public/tum_logo.svg
+++ b/webpage/public/tum_logo.svg
@@ -1,4 +1,14 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!--
+ Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+ Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+ All rights reserved.
+
+ SPDX-License-Identifier: MIT
+
+ Licensed under the MIT License
+-->
+
 <svg width="740px" height="390px" viewBox="0 0 740 390" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sketch="http://www.bohemiancoding.com/sketch/ns">
     <!-- Generator: Sketch 3.4.3 (16618) - http://www.bohemiancoding.com/sketch -->
     <title>2015_Logo_TUM_RGB</title>
diff --git a/webpage/types/react-graph.vis.d.ts b/webpage/types/react-graph.vis.d.ts
index a374a6bb..c471f0e5 100644
--- a/webpage/types/react-graph.vis.d.ts
+++ b/webpage/types/react-graph.vis.d.ts
@@ -1,3 +1,13 @@
+/*
+ * Copyright (c) 2023 - 2026 Chair for Design Automation, TUM
+ * Copyright (c) 2025 - 2026 Munich Quantum Software Company GmbH
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Licensed under the MIT License
+ */
+
 declare module 'react-graph-vis' {
     export default class Graph extends React.Component<any, any> {};
 }