The Fourth Judicial Region received the most number of election protests filed in connection with the 10 May 2010 elections.
In the preliminary data gathered from the Court Management Office (CMO) of the Supreme Court, 30 protest cases were filed in the regional trial courts in the Fourth Judicial Region while 20 protest cases were filed in the Eighth and the Ninth Judicial Regions. The Fifth Judicial Region received the least number of election protests.
| Judicial Regions | Summarily Dismissed | Given Due Course | Total |
| First Judicial Region | 5 | 5 | 10 |
| Second Judicial Region | 2 | 2 | 4 |
| Third Judicial Region | | 14 | 14 |
| Fourth Judicial Region | 7 | 23 | 30 |
| Fifth Judicial Region | 1 | 2 | 3 |
| Sixth Judicial Region | | 4 | 4 |
| Seventh Judicial Region | | 5 | 5 |
| Eighth Judicial Region | 3 | 17 | 20 |
| Ninth Judicial Region | 2 | 3 | 5 |
| Tenth Judicial Region | 3 | 17 | 20 |
| Eleventh Judicial Region | 1 | 6 | 7 |
| Twelfth Judicial Region | 6 | 7 | 13 |
| Total | 30 | 105 | 135 |
