Federal Copyright Law. This law in the United States has three major kinds of intellectual property protection including trademark, patent and copyright. Patents are issued through the United States Patent and Trademark Office (USPTO) and trademarks are registered with the U.S. Copyright Office (USCOP). Federal copyright laws protect the work of authors. Under the law, works are secured for fourteen years, however it was the Founding Fathers allowed for renewal. 40 many years after, the initial 14-year period was extended to 28 years.