It is generally a good idea to trademark the name of your mobile app if you want to protect and promote your brand and to prevent others from using a confusingly similar name for their own app. Trademarking your app name can help to ensure that consumers can easily identify and distinguish your app from others, and it can provide valuable legal protection for your brand.

In order to obtain trademark protection for your app name, you will need to apply for a trademark registration with the United States Patent and Trademark Office (USPTO) or a similar national or international trademark office. The process for obtaining a trademark registration for your app name will generally involve conducting a trademark search to ensure that your chosen name is available for use, preparing and filing a trademark application, and responding to any office actions or other issues that may arise during the application process.

It is a good idea to consult with a trademark attorney or other professional to assist with the trademark registration process and to ensure that your application meets the necessary legal requirements for trademark protection. Obtaining a trademark registration for your app name can be an important step in building and protecting your brand, and it can provide valuable legal and business benefits for your company.