The ruling follows a legal complaint filed by a small party that did not clear the 3 percent threshold required to enter parliament.
The People's Opposition bloc of Natalya Vitrenko claims violations were committed when election results were released.
President Viktor Yushchenko today welcomed the court's decision.
Final election results were made available by the Central Election Commission on April 10. However, Ukrainian law says they have no legal force until they are published in "Holos Ukrayiny" and "Uryadovyy kurer."
("Ukrayinska pravda," "Ukrayinski novyny," Unian)
BEHIND THE IMAGES: Click on the links below to read RFE/RL's profiles of some of the key players in Ukraine's March 26 legislative elections:
Click on the image to view a photo gallery of some of the key players in the Ukrainian elections.