How is contesting an election subverting government? Happens nearly every election, someone, somewhere, contests an election. That is no subversion. Subversion is the effort to overthrow government. If you're contesting an election, you're inherently recogonizing that government.
If there were a sound basis for it, yes--but the long string of losses says otherwise.
Okay, now you’re confusing things. Whether Trump has a meritorious basis to challenge an election result is entirely separate from subversion. Subversion is the Weather Underground, not a lawsuit.
Seditious abuse of the judicial process.