diff --git a/metrics/cuad/cuad.py b/metrics/cuad/cuad.py
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+++ b/metrics/cuad/cuad.py
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+# coding=utf-8
+# Copyright 2020 The HuggingFace Datasets Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+""" CUAD metric. """
+
+import datasets
+
+from .evaluate import evaluate
+
+
+_CITATION = """\
+@article{hendrycks2021cuad,
+      title={CUAD: An Expert-Annotated NLP Dataset for Legal Contract Review},
+      author={Dan Hendrycks and Collin Burns and Anya Chen and Spencer Ball},
+      journal={arXiv preprint arXiv:2103.06268},
+      year={2021}
+}
+"""
+
+_DESCRIPTION = """
+This metric wrap the official scoring script for version 1 of the Contract
+Understanding Atticus Dataset (CUAD).
+Contract Understanding Atticus Dataset (CUAD) v1 is a corpus of more than 13,000 labels in 510
+commercial legal contracts that have been manually labeled to identify 41 categories of important
+clauses that lawyers look for when reviewing contracts in connection with corporate transactions.
+"""
+
+_KWARGS_DESCRIPTION = """
+Computes CUAD scores (EM, F1, AUPR, Precision@80%Recall, and Precision@90%Recall).
+Args:
+    predictions: List of question-answers dictionaries with the following key-values:
+        - 'id': id of the question-answer pair as given in the references (see below)
+        - 'prediction_text': list of possible texts for the answer, as a list of strings
+        depending on a threshold on the confidence probability of each prediction.
+    references: List of question-answers dictionaries with the following key-values:
+        - 'id': id of the question-answer pair (see above),
+        - 'answers': a Dict in the CUAD dataset format
+            {
+                'text': list of possible texts for the answer, as a list of strings
+                'answer_start': list of start positions for the answer, as a list of ints
+            }
+            Note that answer_start values are not taken into account to compute the metric.
+Returns:
+    'exact_match': Exact match (the normalized answer exactly match the gold answer)
+    'f1': The F-score of predicted tokens versus the gold answer
+    'aupr': Area Under the Precision-Recall curve
+    'prec_at_80_recall': Precision at 80% recall
+    'prec_at_90_recall': Precision at 90% recall
+Examples:
+    >>> predictions = [{'prediction_text': ['The seller:', 'The buyer/End-User: Shenzhen LOHAS Supply Chain Management Co., Ltd.'], 'id': 'LohaCompanyltd_20191209_F-1_EX-10.16_11917878_EX-10.16_Supply Agreement__Parties'}]
+    >>> references = [{'answers': {'answer_start': [143, 49], 'text': ['The seller:', 'The buyer/End-User: Shenzhen LOHAS Supply Chain Management Co., Ltd.']}, 'id': 'LohaCompanyltd_20191209_F-1_EX-10.16_11917878_EX-10.16_Supply Agreement__Parties'}]
+    >>> cuad_metric = datasets.load_metric("cuad")
+    >>> results = cuad_metric.compute(predictions=predictions, references=references)
+    >>> print(results)
+    {'exact_match': 100.0, 'f1': 100.0, 'aupr': 0.0, 'prec_at_80_recall': 1.0, 'prec_at_90_recall': 1.0}
+"""
+
+
+@datasets.utils.file_utils.add_start_docstrings(_DESCRIPTION, _KWARGS_DESCRIPTION)
+class CUAD(datasets.Metric):
+    def _info(self):
+        return datasets.MetricInfo(
+            description=_DESCRIPTION,
+            citation=_CITATION,
+            inputs_description=_KWARGS_DESCRIPTION,
+            features=datasets.Features(
+                {
+                    "predictions": {
+                        "id": datasets.Value("string"),
+                        "prediction_text": datasets.features.Sequence(datasets.Value("string")),
+                    },
+                    "references": {
+                        "id": datasets.Value("string"),
+                        "answers": datasets.features.Sequence(
+                            {
+                                "text": datasets.Value("string"),
+                                "answer_start": datasets.Value("int32"),
+                            }
+                        ),
+                    },
+                }
+            ),
+            codebase_urls=["https://www.atticusprojectai.org/cuad"],
+            reference_urls=["https://www.atticusprojectai.org/cuad"],
+        )
+
+    def _compute(self, predictions, references):
+        pred_dict = {prediction["id"]: prediction["prediction_text"] for prediction in predictions}
+        dataset = [
+            {
+                "paragraphs": [
+                    {
+                        "qas": [
+                            {
+                                "answers": [{"text": answer_text} for answer_text in ref["answers"]["text"]],
+                                "id": ref["id"],
+                            }
+                            for ref in references
+                        ]
+                    }
+                ]
+            }
+        ]
+        score = evaluate(dataset=dataset, predictions=pred_dict)
+        return score
diff --git a/metrics/cuad/evaluate.py b/metrics/cuad/evaluate.py
new file mode 100644
index 00000000000..3fbe88cfbd5
--- /dev/null
+++ b/metrics/cuad/evaluate.py
@@ -0,0 +1,205 @@
+""" Official evaluation script for CUAD dataset. """
+
+import argparse
+import json
+import re
+import string
+import sys
+
+import numpy as np
+
+
+IOU_THRESH = 0.5
+
+
+def get_jaccard(prediction, ground_truth):
+    remove_tokens = [".", ",", ";", ":"]
+
+    for token in remove_tokens:
+        ground_truth = ground_truth.replace(token, "")
+        prediction = prediction.replace(token, "")
+
+    ground_truth, prediction = ground_truth.lower(), prediction.lower()
+    ground_truth, prediction = ground_truth.replace("/", " "), prediction.replace("/", " ")
+    ground_truth, prediction = set(ground_truth.split(" ")), set(prediction.split(" "))
+
+    intersection = ground_truth.intersection(prediction)
+    union = ground_truth.union(prediction)
+    jaccard = len(intersection) / len(union)
+    return jaccard
+
+
+def normalize_answer(s):
+    """Lower text and remove punctuation, articles and extra whitespace."""
+
+    def remove_articles(text):
+        return re.sub(r"\b(a|an|the)\b", " ", text)
+
+    def white_space_fix(text):
+        return " ".join(text.split())
+
+    def remove_punc(text):
+        exclude = set(string.punctuation)
+        return "".join(ch for ch in text if ch not in exclude)
+
+    def lower(text):
+        return text.lower()
+
+    return white_space_fix(remove_articles(remove_punc(lower(s))))
+
+
+def compute_precision_recall(predictions, ground_truths, qa_id):
+    tp, fp, fn = 0, 0, 0
+
+    substr_ok = "Parties" in qa_id
+
+    # first check if ground truth is empty
+    if len(ground_truths) == 0:
+        if len(predictions) > 0:
+            fp += len(predictions)  # false positive for each one
+    else:
+        for ground_truth in ground_truths:
+            assert len(ground_truth) > 0
+            # check if there is a match
+            match_found = False
+            for pred in predictions:
+                if substr_ok:
+                    is_match = get_jaccard(pred, ground_truth) >= IOU_THRESH or ground_truth in pred
+                else:
+                    is_match = get_jaccard(pred, ground_truth) >= IOU_THRESH
+                if is_match:
+                    match_found = True
+
+            if match_found:
+                tp += 1
+            else:
+                fn += 1
+
+        # now also get any fps by looping through preds
+        for pred in predictions:
+            # Check if there's a match. if so, don't count (don't want to double count based on the above)
+            # but if there's no match, then this is a false positive.
+            # (Note: we get the true positives in the above loop instead of this loop so that we don't double count
+            # multiple predictions that are matched with the same answer.)
+            match_found = False
+            for ground_truth in ground_truths:
+                assert len(ground_truth) > 0
+                if substr_ok:
+                    is_match = get_jaccard(pred, ground_truth) >= IOU_THRESH or ground_truth in pred
+                else:
+                    is_match = get_jaccard(pred, ground_truth) >= IOU_THRESH
+                if is_match:
+                    match_found = True
+
+            if not match_found:
+                fp += 1
+
+    precision = tp / (tp + fp) if tp + fp > 0 else np.nan
+    recall = tp / (tp + fn) if tp + fn > 0 else np.nan
+
+    return precision, recall
+
+
+def process_precisions(precisions):
+    """
+    Processes precisions to ensure that precision and recall don't both get worse.
+    Assumes the list precision is sorted in order of recalls
+    """
+    precision_best = precisions[::-1]
+    for i in range(1, len(precision_best)):
+        precision_best[i] = max(precision_best[i - 1], precision_best[i])
+    precisions = precision_best[::-1]
+    return precisions
+
+
+def get_aupr(precisions, recalls):
+    processed_precisions = process_precisions(precisions)
+    aupr = np.trapz(processed_precisions, recalls)
+    if np.isnan(aupr):
+        return 0
+    return aupr
+
+
+def get_prec_at_recall(precisions, recalls, recall_thresh):
+    """Assumes recalls are sorted in increasing order"""
+    processed_precisions = process_precisions(precisions)
+    prec_at_recall = 0
+    for prec, recall in zip(processed_precisions, recalls):
+        if recall >= recall_thresh:
+            prec_at_recall = prec
+            break
+    return prec_at_recall
+
+
+def exact_match_score(prediction, ground_truth):
+    return normalize_answer(prediction) == normalize_answer(ground_truth)
+
+
+def metric_max_over_ground_truths(metric_fn, predictions, ground_truths):
+    score = 0
+    for pred in predictions:
+        for ground_truth in ground_truths:
+            score = metric_fn(pred, ground_truth)
+            if score == 1:  # break the loop when one prediction matches the ground truth
+                break
+        if score == 1:
+            break
+    return score
+
+
+def evaluate(dataset, predictions):
+    f1 = exact_match = total = 0
+    precisions = []
+    recalls = []
+    for article in dataset:
+        for paragraph in article["paragraphs"]:
+            for qa in paragraph["qas"]:
+                total += 1
+                if qa["id"] not in predictions:
+                    message = "Unanswered question " + qa["id"] + " will receive score 0."
+                    print(message, file=sys.stderr)
+                    continue
+                ground_truths = list(map(lambda x: x["text"], qa["answers"]))
+                prediction = predictions[qa["id"]]
+                precision, recall = compute_precision_recall(prediction, ground_truths, qa["id"])
+
+                precisions.append(precision)
+                recalls.append(recall)
+
+                if precision == 0 and recall == 0:
+                    f1 += 0
+                else:
+                    f1 += 2 * (precision * recall) / (precision + recall)
+
+                exact_match += metric_max_over_ground_truths(exact_match_score, prediction, ground_truths)
+
+    precisions = [x for _, x in sorted(zip(recalls, precisions))]
+    recalls.sort()
+
+    f1 = 100.0 * f1 / total
+    exact_match = 100.0 * exact_match / total
+    aupr = get_aupr(precisions, recalls)
+
+    prec_at_90_recall = get_prec_at_recall(precisions, recalls, recall_thresh=0.9)
+    prec_at_80_recall = get_prec_at_recall(precisions, recalls, recall_thresh=0.8)
+
+    return {
+        "exact_match": exact_match,
+        "f1": f1,
+        "aupr": aupr,
+        "prec_at_80_recall": prec_at_80_recall,
+        "prec_at_90_recall": prec_at_90_recall,
+    }
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Evaluation for CUAD")
+    parser.add_argument("dataset_file", help="Dataset file")
+    parser.add_argument("prediction_file", help="Prediction File")
+    args = parser.parse_args()
+    with open(args.dataset_file) as dataset_file:
+        dataset_json = json.load(dataset_file)
+        dataset = dataset_json["data"]
+    with open(args.prediction_file) as prediction_file:
+        predictions = json.load(prediction_file)
+    print(json.dumps(evaluate(dataset, predictions)))