Depomed has had other patent victories, including Biovail Corp. of Canada ( BVF).

FORBES: Special Delivery From Depomed

Biovail , the pharmaceutical company, joined this campaign last week with its own allegations that Gradient and hedge fund SAC Capital, among others, worked to distort its shares by disseminating false information about the company.

FORBES: Naked Shorts Seeking Cover

Some companies, like Overstock.com and Biovail, have claimed that hedge funds and analysts have conspired to publish negative research on their stocks to benefit from short positions amassed before the publication of the research.

FORBES: Hedge Hogs