A federal court has thrown out a group of lawsuits seeking to hold the top brass of chipmaker Xilinx ( XLNX) accountable for stock-option backdating.

The news comes a little over a month after Xilinx announced that the Securities and Exchange Commission closed its inquiry into the company, without recommending any enforcement action.

Xilinx is among more than 100 companies that have come under scrutiny for backdating stock options. The chipmaker previously announced that it would take a $2.2 million compensation charge to account for discrepancies between the recorded grand dates and measurement dates of certain stock options granted between 1997 and 2006.

But Xilinx said its internal investigation into the matter found no evidence of fraud.

According to Xilinx's announcement Monday, the U.S. District Court of the Northern District of California has dismissed the consolidated shareholder lawsuits that were filed against members of the company's board of directors and certain executives. The suits alleged that Xilinx's directors and officers mismanaged corporate funds by failing to halt the backdating of stock options.

Shares of Xilinx, which closed the regular trading session up 15 cents at $24.10, were unchanged in extended trading.

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