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Serving leading biopharmaceutical companies globally:

Argus Health
Cantor Fitzgerald
Harvard Business School

Generated: November 20, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,997,903

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Which drugs does patent 5,997,903 protect, and when does it expire?

Patent 5,997,903 protects PROTONIX and is included in one NDA. There has been one Paragraph IV challenge on Protonix.

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

This patent has forty-six patent family members in thirty-three countries.

Summary for Patent: 5,997,903

Title: Oral-administration forms of a medicament containing pantoprazol
Abstract:The invention relates to oral presentation forms for pantoprazole, which consist of a core, an intermediate layer and an outer layer which is resistant to gastric juice.
Inventor(s): Dietrich; Rango (Constance, DE), Ney; Hartmut (Constance, DE)
Assignee: Byk Gulden Lomberg Chemische Fabrik GmbH (Konstanz, DE)
Application Number:08/167,961
Patent Claim Types:
see list of patent claims
Dosage form; Composition; Compound;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Wyeth Pharms Inc
pantoprazole sodium
TABLET, DELAYED RELEASE;ORAL020987-002Jun 12, 2001ABRXYesNo► Subscribe► SubscribeY
Wyeth Pharms Inc
pantoprazole sodium
TABLET, DELAYED RELEASE;ORAL020987-001Feb 2, 2000ABRXYesYes► Subscribe► SubscribeY
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Foreign Priority and PCT Information for Patent: 5,997,903

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Switzerland788/91Jun 17, 1991
PCT Information
PCT FiledJune 13, 1992PCT Application Number:PCT/EP92/01341
PCT Publication Date:December 23, 1992PCT Publication Number: WO92/22284

International Patent Family for Patent: 5,997,903

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria144416► Subscribe
Australia1974692► Subscribe
Australia683411► Subscribe
Bulgaria61796► Subscribe
Bulgaria98286► Subscribe
Canada2109697► Subscribe
Canada2524168► Subscribe
China1037932► Subscribe
China1067809► Subscribe
Czech Republic281697► Subscribe
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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.

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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
Farmers Insurance
US Army
Express Scripts

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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