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Serving leading biopharmaceutical companies globally:

Chubb
Merck
Harvard Business School
Johnson and Johnson
Cipla
Federal Trade Commission
Fish and Richardson
Dow
McKinsey
Baxter

Generated: January 17, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,916,598

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Which drugs does patent 5,916,598 protect, and when does it expire?

Patent 5,916,598 protects VIVITROL and RISPERDAL CONSTA and is included in two NDAs.

Protection for RISPERDAL CONSTA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has forty-nine patent family members in thirty-one countries.
Summary for Patent: 5,916,598
Title: Preparation of biodegradable, biocompatible microparticles containing a biologically active agent
Abstract:A method for preparing biodegradable, biocompatible microparticles. A first phase is prepared that includes a biodegradable, biocompatible polymer, an active agent, and a solvent. An immiscible second phase is prepared. The first and second phases are combined to form an emulsion in which the first phase is discontinuous and the second phase is continuous. The two phases are immersed in a quench liquid that includes a quench medium and a quantity of the solvent. The quantity of the solvent is selected to control a rate of extraction of the solvent from the first phase. The first phase is isolated in the form of microparticles. Also disclosed is a microencapsulated active agent prepared by the method for preparing biodegradable, biocompatible microparticles.
Inventor(s): Rickey; Michael E. (Loveland, OH), Ramstack; J. Michael (Lebanon, OH), Lewis; Danny H. (Hartselle, AL)
Assignee: Alkermes Controlled Therapeutics Inc. II (Cambridge, MA)
Application Number:09/071,865
Patent Claim Types:
see list of patent claims
Use; Process;

Drugs Protected by US Patent 5,916,598

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Alkermes VIVITROL naltrexone FOR SUSPENSION, EXTENDED RELEASE;INTRAMUSCULAR 021897-001 Apr 13, 2006 RX Yes Yes ➤ Subscribe ➤ Subscribe Y ➤ Subscribe
Janssen Pharms RISPERDAL CONSTA risperidone INJECTABLE;INTRAMUSCULAR 021346-004 Apr 12, 2007 RX Yes No ➤ Subscribe ➤ Subscribe Y ➤ Subscribe
Janssen Pharms RISPERDAL CONSTA risperidone INJECTABLE;INTRAMUSCULAR 021346-001 Oct 29, 2003 RX Yes Yes ➤ Subscribe ➤ Subscribe Y ➤ Subscribe
Janssen Pharms RISPERDAL CONSTA risperidone INJECTABLE;INTRAMUSCULAR 021346-002 Oct 29, 2003 RX Yes No ➤ Subscribe ➤ Subscribe Y ➤ Subscribe
Janssen Pharms RISPERDAL CONSTA risperidone INJECTABLE;INTRAMUSCULAR 021346-003 Oct 29, 2003 RX Yes No ➤ Subscribe ➤ Subscribe Y ➤ Subscribe
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Non-Orange Book US Patents Family Members for Patent 5,916,598

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
5,792,477 Preparation of extended shelf-life biodegradable, biocompatible microparticles containing a biologically active agent ➤ Subscribe
6,110,503 Preparation of biodegradable, biocompatible microparticles containing a biologically active agent ➤ Subscribe
6,403,114 Preparation of biodegradable, biocompatible microparticles containing a biologically active agent ➤ Subscribe
6,290,983 Preparation of biodegradable, biocompatible microparticles containing a biologically active agent ➤ Subscribe
Patent No. Title Estimated Patent Expiration

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International Patents Family Members for US Patent 5,916,598

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Turkey 9802258 ➤ Subscribe
Slovakia 283852 ➤ Subscribe
Slovakia 154198 ➤ Subscribe
Slovenia 1210942 ➤ Subscribe
Slovenia 904063 ➤ Subscribe
Russian Federation 2201214 ➤ Subscribe
Portugal 1210942 ➤ Subscribe
Portugal 904063 ➤ Subscribe
Poland 188550 ➤ Subscribe
Poland 329720 ➤ Subscribe
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving leading biopharmaceutical companies globally:

US Department of Justice
Deloitte
Johnson and Johnson
Fuji
Mallinckrodt
Fish and Richardson
Teva
Cipla
Cantor Fitzgerald

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.

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