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Attorney David Pressman and updater Thomas Tuytschaevers take you through the entire patent process, providing scrupulously updated information and clear instructions to help you: determine if you can patent your invention understand patent law evaluate the commercial potential of your idea perform your own patent search file a provisional patent application prepare a formal patent application respond to patent examiners amend an application enforce and maintain your patent market and license your invention Thoroughly updated to reflect the latest changes in intellectual property law, this edition provides the latest U.S. Patent and Trademark Office rules and forms. It includes up-to-date discussions of the new "first to file" rule, which has to revolutionized patent law.