This book is 'Patent Master Key-Question Bank for Patent Agent Exam'.This book includes template answers of PAE-2018, PAE-2022, PAE-2023, PAE-2024, & PAE-2025.This book also included 'solutions for questions based on Design Act and Rules'.This book not only provides template answers but the philosophy of legal and logical approach to solve questions/situations.This book provides easy drafted templates of complete specifications and claims of each and every invention asked in question papers.