DrugPatentWatch concentrates deep knowledge on more than 6,400 small-molecule drugs and 2,300 generic ingredients from 1,700 branded and generic pharmaceutical companies and 700 suppliers, and more than 4,300 active and expired US patents and 74,000 international patents spanning 93 countries and regional patent offices.

Drug Patent Expirations in May 2013

*Drugs may be covered by multiple patents

Tradename	Applicant	Generic Name	Patent No.	Patent Expiration
HUMALOG PEN	Lilly	insulin lispro recombinant	5,514,646	May 7, 2013
GEMZAR	Lilly	gemcitabine hydrochloride	5,464,826*PED	May 7, 2013
HUMALOG MIX 50/50 KWIKPEN	Lilly	insulin lispro protamine recombinant; insulin lispro recombinant	5,514,646	May 7, 2013
HUMALOG MIX 75/25 KWIKPEN	Lilly	insulin lispro protamine recombinant; insulin lispro recombinant	5,514,646	May 7, 2013
HUMALOG KWIKPEN	Lilly	insulin lispro recombinant	5,514,646	May 7, 2013
PREVACID	Takeda Pharms Usa	lansoprazole	5,464,632*PED	May 7, 2013
HUMALOG MIX 50/50	Lilly	insulin lispro protamine recombinant; insulin lispro recombinant	5,514,646	May 7, 2013
HUMALOG MIX 75/25	Lilly	insulin lispro protamine recombinant; insulin lispro recombinant	5,514,646	May 7, 2013
HUMALOG	Lilly	insulin lispro recombinant	5,514,646	May 7, 2013
ZAVESCA	Actelion Pharms Ltd	miglustat	5,472,969	May 13, 2013
ZOMIG	Ipr	zolmitriptan	5,466,699*PED	May 14, 2013
DEPOCYT	Pacira Pharms Inc	cytarabine	5,455,044	May 14, 2013
ZOMIG-ZMT	Astrazeneca	zolmitriptan	5,466,699*PED	May 14, 2013
ZOMIG	Ipr	zolmitriptan	5,863,935*PED	May 14, 2013
ZOMIG	Astrazeneca	zolmitriptan	5,466,699*PED	May 14, 2013
OSMOPREP	Salix Pharms	sodium phosphate, dibasic, anhydrous; sodium phosphate, monobasic, monohydrate	5,616,346	May 18, 2013
VISICOL	Salix Pharms	sodium phosphate, dibasic anhydrous; sodium phosphate, monobasic, monohydrate	5,616,346	May 18, 2013
ADRENACLICK	Amedra Pharms	epinephrine	5,665,071	May 27, 2013

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