K&L Gates is fighting back against attempts by the trustee of bankrupt beverage maker Le-Nature’s Inc. to bring the firm and one of its corporate partners into the legal fray over alleged fraud by the company’s executives.

The firm and partner Sanford Ferguson filed preliminary objections earlier this month to the suit filed in Allegheny County in September 2009 against them, accounting firm Pascarella & Wiker and its principal, Carl Wiker.