What is the purpose of the “patent bar”?

The purpose of the "patent bar" is to ensure that only qualified individuals can represent applicants before the United States Patent and Trademark Office (USPTO). This requirement is in place because the process of securing a patent involves complex legal and technical issues. By requiring representatives to pass the patent bar exam, the USPTO ensures that those who are helping inventors navigate this process have the necessary knowledge and expertise in patent law, rules, and procedures.

Individuals who pass the patent bar are granted the title of "Registered Patent Attorney" or "Registered Patent Agent," which allows them to represent clients in patent matters, including the preparation and prosecution of patent applications. This regulation is critical to maintain a high standard of service for inventors and to uphold the integrity of the patent system.

In contrast, the other choices do not accurately reflect the primary function of the patent bar within the framework of patent law and representation.