Drug Patent Expirations in April 2009

*Drugs may be covered by multiple patents

Tradename	Applicant	Generic Name	Patent Number	Patent Expiration
ACIPHEX	Eisai Medcl Res	rabeprazole sodium	5,035,899	Apr 4, 2009
CASODEX	Astrazeneca	bicalutamide	4,636,505	Apr 1, 2009
GENESA	Gensia Automedics	arbutamine hydrochloride	5,108,363	Apr 28, 2009
MALARONE	Glaxosmithkline	atovaquone; proguanil hydrochloride	5,053,432	Apr 1, 2009
MALARONE PEDIATRIC	Glaxosmithkline	atovaquone; proguanil hydrochloride	5,053,432	Apr 1, 2009
MEPRON	Glaxosmithkline	atovaquone	5,053,432	Apr 1, 2009
PREFEST	Duramed	estradiol; norgestimate	5,108,995	Apr 28, 2009
SKELID	Sanofi Aventis Us	tiludronate disodium	4,980,171	Apr 6, 2009
SPECTRACEF	Cornerstone	cefditoren pivoxil	4,839,350	Apr 14, 2009
UVADEX	Therakos	methoxsalen	4,845,075	Apr 11, 2009