Endo Pharmaceuticals is a specialty pharmaceutical company engaged in the research, development, sale and marketing of branded and generic prescription pharmaceuticals used primarily to treat and manage pain. Its products include LIDODERM(R), a topical patch to relieve the pain of postherpetic neuralgia; PERCOCET? and PERCODAN(R) tablets for the relief of moderate-to-moderately severe pain; FROVA? tablets for the acute treatment of migraine attacks with or without aura in adults; ? tablets for the relief of moderate-to-severe acute pain where the use of an opioid is appropriate; ? ER tablets for the relief of moderate-to-s