A month ago, after intense pressure and a law suit from investors Carl Icahn and Darwin Deason, Xerox Corp. announced plans to scuttle a controversial takeover deal by Fujifilm Corp. Now, Fujifilm has hit back with its own lawsuit, this time in federal court, seeking more than $1 billion in damages over Xerox’s alleged breach of contract.

In a filing in the U.S. District Court for the Southern District of New York, lawyers for Fujifilm argued that despite the promise of “billions of dollars in synergies,” Xerox’s board, which they said have been “yanked … in more directions than can be counted” by Icahn and Deason’s “whims” has now attempted to back out of a deal it had backed just a few months earlier.