When entrepreneurs, technology startups, and other brand owners embark on their trademark protection strategy in the United States, and file a federal trademark application in the US Patent and Trademark Office, a trademark dispute based on trademark infringement or legal issues may arise, and those issues may be litigated in the USPTO Trademark Trial and Appeal Board (TTAB) resulting in a trademark lawsuit.
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When entrepreneurs, technology startups and other new ventures begin formal operations, they are immediately faced with a variety of startup legal issues that can make or break their company.

These legal issues can range in disciplines and subject matter from intellectual property protection, to contract law, to corporation formalities and governance, and securities law, among others. Details reading can be found here.