Copy RTC Plans orDuplicating Plans
One answer
There is no such functionality.
The only option today would be to do it programmatically.
https://jazz.net/forum/questions/82381/how-do-i-create-a-plan-with-the-java-api
Unfortunately, there is no public API for managing Plans. Above forum post uses internal classes. Not sure if it will serve your purpose.
Feel free to create an Ehancement Request for having the ability to copy Plans,
or vote for the following Enhancement Request to provide public API for Plans: