The US Attorney's office agreed to dismiss three counts of perjury against Finneran.
Admiral Van Sice dismissed 11 other counts, including one sexual assault and two assault charges.
The trial judge had earlier dismissed eight other counts.
Judge Lake denied a defense motion to dismiss four other counts against Mr. Lay.
Scheindlin dismissed two lesser counts, letting stand seven league claims.
However, when ruling on post-trial motions, the judge dismissed two counts of the convictions against Ryan for lack of proof.
But the ruling dismissed many counts that were at the heart of the prosecution's case.
As a result, the court dismissed 281 counts of conspiracy that involved charges of placing legislative employees in campaigns.
Judge Friedman also dismissed three similar counts against Mr. Trie.
The judge dismissed two counts after hearing prosecution witness testimony.