The rulings would set standard for other similar trials.
In Sonkhla, public prosecutors had sought punishment for seven people, including Dr Kriengsak Lewchanpattana, who tore up the election ballots in the election.
The Court ruled that as the Constitution Court has nullified the April election on grounds that it was unconstitutional, the trials against the group of people are acquitted.
Meanwhile in Trang, Court acquitted Thotsaporn Kanchana-amornpat who destroyed ballots in the election. The Court acquitted his trial on grounds that he used his democratic rights when tearing up the ballots and that the Constitution Court have nullified the April election.