Drug Patent Expirations in May 2011
*Drugs may be covered by multiple patents
| Tradename |
Applicant |
Generic Name |
Patent Number |
Patent Expiration |
| OPTIVAR |
Meda Pharms |
azelastine hydrochloride |
5,164,194*PED |
May 1, 2011 |
| ASTELIN |
Meda Pharms |
azelastine hydrochloride |
5,164,194*PED |
May 1, 2011 |
| ENTOCORT EC |
Astrazeneca |
budesonide |
6,423,340*PED |
May 15, 2011 |
| ALORA |
Watson Labs |
estradiol |
5,227,169 |
May 17, 2011 |
| ALORA |
Watson Labs |
estradiol |
5,122,383 |
May 17, 2011 |
| ALORA |
Watson Labs |
estradiol |
5,212,199 |
May 17, 2011 |
| FORTOVASE |
Hoffmann La Roche |
saquinavir |
5,196,438*PED |
May 19, 2011 |
| INVIRASE |
Hoffmann La Roche |
saquinavir mesylate |
5,196,438*PED |
May 19, 2011 |
| INVIRASE |
Roche |
saquinavir mesylate |
5,196,438*PED |
May 19, 2011 |
| CARDIZEM CD |
Biovail |
diltiazem hydrochloride |
5,470,584 |
May 20, 2011 |
| CARDIZEM CD |
Biovail |
diltiazem hydrochloride |
5,286,497 |
May 20, 2011 |
| RESCULA |
Sucampo Pharms |
unoprostone isopropyl |
5,208,256 |
May 21, 2011 |
| AMITIZA |
Sucampo Pharms |
lubiprostone |
5,317,032 |
May 31, 2011 |
This information is also available in an email newsletter: Subscribe to the DrugPatentWatch Patent Expiration Bulletin. Courtesy of DrugPatentWatch.com
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