Pharmaceutical Business Intelligence

  • Anticipate P&T budget requirements
  • Check market entry opportunities
  • Find generic sources and suppliers
  • Predict branded drug patent expiration

► Plans and Pricing

Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

DrugPatentWatch Database Preview

Details for Patent: 8,921,326

« Back to Dashboard
Patent 8,921,326 protects LUPRON DEPOT and is included in one NDA.

This patent has thirty-three patent family members in twenty-seven countries.

Summary for Patent: 8,921,326

Title:Sustained-release composition and method for producing the same
Abstract: Sustained-release compositions wherein a water-soluble physiologically active peptide is substantially uniformly dispersed in a microcapsule comprised of a lactic acid polymer or a salt thereof, and the physiologically active substance is contained in an amount of 15 to 35 wt/wt % to the total microcapsules and weight-average molecular weight (Mw) of the lactic acid polymer is about 11,000 to about 27,000, which is characterized by having a high content of the physiologically active substance, and suppression of the initial excessive release within one day after the administration and a stable drug sustained-release over a long period of time, and method for producing the same.
Inventor(s): Futo; Tomomichi (Osaka, JP), Saito; Kazuhiro (Osaka, JP), Hoshino; Tetsuo (Osaka, JP), Hori; Masuhisa (Osaka, JP)
Assignee: Takeda Pharmaceutical Company Limited (Osaka, JP)
Application Number:12/312,751
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form; Formulation;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 0th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Abbvie Endocrine Inc
leuprolide acetate
This preview shows a limited data set
Subscribe for full access, or try a Trial

Export unavailable in trial.
Subscribe for complete access.

Foreign Priority and PCT Information for Patent: 8,921,326

PCT Information
PCT FiledDecember 17, 2007PCT Application Number:PCT/JP2007/074617
PCT Publication Date:June 26, 2008PCT Publication Number: WO2008/075762

International Patent Family for Patent: 8,921,326

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina064381► subscribe
Australia2007335406► subscribe
BrazilPI0720582► subscribe
This preview shows a limited data set
Subscribe for full access, or try a Trial

The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

Export unavailable in trial.
Subscribe for complete access.

For more information try a trial or see the database preview and plans and pricing

How are People Using DrugPatentWatch?

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.