Editing Ai Legal (section)

== <span style="color: #FFFFFF;">Applying</span> ==
'''Contract clause extraction with LegalBERT:'''
<syntaxhighlight lang="python">
from transformers import AutoTokenizer, AutoModelForTokenClassification, pipeline

# LegalBERT fine-tuned for contract NER
# Alternative: custom fine-tuning on CUAD (Contract Understanding Atticus Dataset)
tokenizer = AutoTokenizer.from_pretrained("nlpaueb/legal-bert-base-uncased")
model = AutoModelForTokenClassification.from_pretrained(
    "nlpaueb/legal-bert-base-uncased"
)
ner = pipeline("ner", model=model, tokenizer=tokenizer, aggregation_strategy="simple")

def extract_contract_entities(contract_text: str) -> dict:
    """Extract key contract entities."""
    entities = ner(contract_text[:512])  # Process in chunks for long contracts
    result = {}
    for ent in entities:
        label = ent['entity_group']
        if label not in result:
            result[label] = []
        result[label].append(ent['word'])
    return result

# CUAD-based clause classifier
from transformers import AutoModelForSequenceClassification

CUAD_CATEGORIES = [
    "Governing Law", "Termination for Convenience", "Limitation of Liability",
    "Indemnification", "IP Ownership", "Non-Compete", "Exclusivity"
]

def classify_clause(clause_text: str, category: str) -> float:
    """Predict probability that a clause contains a specific contract category."""
    prompt = f"Does this clause contain {category}? Clause: {clause_text}"
    # Use fine-tuned BERT on CUAD dataset for this binary classification
    pass  # Implementation depends on fine-tuned model

contract_sample = """
This Agreement shall be governed by the laws of the State of Delaware.
Either party may terminate this Agreement upon thirty (30) days written notice.
"""
entities = extract_contract_entities(contract_sample)
print(entities)
</syntaxhighlight>

; Legal AI tools landscape
: '''Contract review''' → Kira, Luminance, LexCheck, SpotDraft, Ironclad AI
: '''Legal research''' → Harvey (GPT-4 based), Casetext CoCounsel, Lexis+ AI, Westlaw AI
: '''eDiscovery / TAR''' → Relativity aiR, Reveal, Everlaw AI
: '''Regulatory monitoring''' → Droit, Ascent RegTech, Clausematch
: '''Document generation''' → ContractPodAi, Juro, Ironclad — AI drafting from templates
</div>

<div style="background-color: #8B4500; color: #FFFFFF; padding: 20px; border-radius: 8px; margin-bottom: 15px;">