lawyer-expert

Lawyer Expert

Expert guidance for legal systems, contract law, regulatory compliance, and legal technology implementation.

Core Concepts

Legal Systems

• Contract law and drafting
• Intellectual property (IP)
• Corporate law
• Employment law
• Regulatory compliance
• Litigation and dispute resolution

Legal Technology

• Contract lifecycle management (CLM)
• Legal document automation
• E-discovery systems
• Legal research platforms
• Case management software
• Compliance management systems

Compliance Frameworks

• GDPR (General Data Protection Regulation)
• CCPA (California Consumer Privacy Act)
• SOX (Sarbanes-Oxley)
• HIPAA (Health Insurance Portability)
• Industry-specific regulations

Contract Management

from datetime import datetime, timedelta
from enum import Enum
from typing import List, Optional

class ContractStatus(Enum):
    DRAFT = "draft"
    UNDER_REVIEW = "under_review"
    NEGOTIATION = "negotiation"
    APPROVED = "approved"
    EXECUTED = "executed"
    EXPIRED = "expired"
    TERMINATED = "terminated"

class Contract:
    def __init__(self, title: str, parties: List[str],
                 effective_date: datetime, expiration_date: datetime):
        self.id = self.generate_contract_id()
        self.title = title
        self.parties = parties
        self.effective_date = effective_date
        self.expiration_date = expiration_date
        self.status = ContractStatus.DRAFT
        self.clauses = []
        self.amendments = []
        self.version = 1

    def add_clause(self, clause_type: str, content: str):
        """Add clause to contract"""
        self.clauses.append({
            "type": clause_type,
            "content": content,
            "added_date": datetime.now()
        })

    def add_amendment(self, amendment: str, reason: str):
        """Add amendment to contract"""
        self.amendments.append({
            "amendment": amendment,
            "reason": reason,
            "date": datetime.now(),
            "version": self.version + 1
        })
        self.version += 1

    def check_expiration(self) -> dict:
        """Check if contract is expiring soon"""
        days_until_expiry = (self.expiration_date - datetime.now()).days

        return {
            "expired": days_until_expiry < 0,
            "days_until_expiry": days_until_expiry,
            "requires_renewal": 0 < days_until_expiry < 90
        }

    def execute(self, signatures: List[dict]) -> dict:
        """Execute contract with signatures"""
        if len(signatures) < len(self.parties):
            raise ValueError("All parties must sign")

        self.status = ContractStatus.EXECUTED

        return {
            "contract_id": self.id,
            "executed_date": datetime.now(),
            "signatures": signatures,
            "status": self.status.value
        }