For the second time in a month, Davis Polk & Wardwell represented Irish drugmaker Warner Chilcott in a billion-dollar deal. This time, however, Warner is the seller, not the buyer.

A few weeks ago, Davis Polk advised Warner on the company’s $3.1 billion acquisition of Procter & Gamble’s pharmaceutical business, a bigger-than-expected deal that required Warner to secure $4 billion in financing from six banks.