DEFINITION of 'Patent'. A government license that gives the holder exclusive rights to a process, design or new invention for a designated period of time. Applications for patents are usually handled by a government agency.In the U.S. the United States Patent and Trademark Office handles application and documentation.Next Up. government license that gives the holder exclusive rights to a process, design or new invention for a designated period of time. Applications for patents are usually handled by a government agency. In the U.S. the United States Patent and Trademark Office handles application and documentation. Next Up.
Below are more specifics on how the rule works: 1  The time frame to exercise the Birthday Rule is 30 days following your birthday. 2  You can change to another plan, as long as it is of equal of lesser coverage level.  In order to take advantage of this rule, you must already have a Medicare Supplement plan.
During this time period, anyone with Medicare Part A and/or Part B can enroll in a Medicare Part D prescription drug plan or change from one prescription drug plan to another. You can also enroll in or switch Medicare Advantage Prescription Drug plans during this period.