Drug Patent Expirations in April 2011

Drug Patent Expirations in April 2011

*Drugs may be covered by multiple patents

Tradename Applicant Generic Name Patent Number Patent Expiration
AROMASIN Pharmacia And Upjohn exemestane 4,808,616 Apr 1, 2011
VIVELLE Novartis estradiol 5,300,291 Apr 5, 2011
DEFINITY Lantheus Medcl perflutren 5,547,656 Apr 5, 2011
DEFINITY Lantheus Medcl perflutren 6,773,696 Apr 5, 2011
DEFINITY Lantheus Medcl perflutren 6,528,039 Apr 5, 2011

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