Complex sentence: Almost a year later, Judge Reed O'Connor from the U.S. District Court for the Northern District of Texas dismissed the lawsuit, ruling that the court lacked jurisdiction to decide on what essentially was a dispute between federal employees and their employer, the U.S. government.
Split into simpler sentences: Almost a year later, judge Reed O’Connor from the U.S. District Court for the Northern District of Texas dismissed the lawsuit. In the dismissal, the judge ruled that it was not within his court's jurisdiction to decide on what essentially was a dispute between federal employees and their employer, the U.S. government.