A trademark is a type of intellectual property right that protects the unique name, logo, and branding of a sports team. It prevents other entities from using these elements without permission.

A trademark in the United States has an indefinite term, meaning it can last forever as long as the trademark owner continues to use it and files the necessary paperwork to maintain the registration.

Trademark infringement is the legal doctrine that allows a sports team to prevent others from using its name, logo, or other intellectual property without permission. It is a violation of the trademark owner's exclusive rights.

Copyright is a type of intellectual property right that protects the original expression of an idea in a literary, artistic, or musical work. It prevents others from copying, distributing, or displaying the work without permission.

A copyright in the United States lasts for the life of the author plus 70 years. After this time, the work enters the public domain and can be used by anyone without permission.

Copyright infringement is the legal doctrine that allows a sports team to prevent others from using its copyrighted material without permission. It is a violation of the copyright owner's exclusive rights.

A patent is a type of intellectual property right that protects a new and useful invention. It prevents others from making, using, selling, or importing the invention without permission.

A patent in the United States has a term of 20 years from the date of filing.

Trade secret misappropriation is the legal doctrine that allows a sports team to prevent others from using its trade secrets without permission. It is a violation of the trade secret owner's exclusive rights.

A team's playbook is an example of a trade secret in the sports industry. It contains confidential information about the team's offensive and defensive strategies.

Design patent is not a type of intellectual property right. It is a type of patent that protects the ornamental design of a functional item.

The purpose of intellectual property law in the sports industry is to protect the rights of athletes, sports teams, and sports leagues. It ensures that these entities can benefit from their creative efforts and investments.

Intellectual property law in the sports industry faces a number of challenges, including the rapid evolution of technology, the global nature of the sports industry, and the increasing commercialization of sports.

Intellectual property law can be used to promote innovation in the sports industry by providing incentives for companies to invest in research and development, by protecting the rights of inventors and creators, and by creating a level playing field for all participants in the sports industry.

Some of the recent trends in intellectual property law in the sports industry include the increasing use of artificial intelligence (AI) and machine learning (ML), the growing popularity of esports, and the increasing globalization of the sports industry.