Barbri - Patent Bar review course. PatBar.com - Provides a home study course to review for the patent agent examination. Patent Resources Group, Inc. - Group that provides legal courses, including preparation for the patent bar exam necessary to become a patent agent. MyPatentBar - Collaborative forum with free study materials for the USPTO registration examination. The Ultimate Patent Bar Exam Study Guide - Study guide for passing the USPTO registration examination. Has over 1,000 sample questions with answers. Wysebridge Patent Bar Review - Provider of study materials for the USPTO registration examination for patent agents and attorneys. Practising Law Institute: Patent Bar Review - Describes the exam, live and homestudy options, and FAQ. USPTO - Office of Enrollment and Discipline - Office within the U.S. Patent and Trademark Office that is responsible for the qualification and enrollment of patent agents as well as disciplining them. Includes information on how to become a patent agent.