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Generated: April 30, 2017

DrugPatentWatch Database Preview

Details for Patent: 8,877,933

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Which drugs does patent 8,877,933 protect, and when does it expire?

Patent 8,877,933 protects NEXAVAR and is included in one NDA. There has been one Paragraph IV challenge on Nexavar.

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

Summary for Patent: 8,877,933

Title:Thermodynamically stable form of a tosylate salt
Abstract: The present invention relates to a novel form, thermodynamically stable at room temperature, of the tosylate salt of 4-{4-[({[4-chloro-3-(trifluoromethyl)phenyl]amino}carbonyl)amino]phenoxy}- -N-methylpyridine-2-carboxamide, to processes for its preparation, to medicaments comprising it and to its use in the control of disorders.
Inventor(s): Grunenberg; Alfons (Dormagen, DE), Lenz; Jana (Wuppertal, DE)
Assignee: Bayer Intellectual Property GmbH (Monheim, DE)
Application Number:11/664,363
Patent Claim Types:
see list of patent claims
Compound; Use; Composition; Process;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Bayer Hlthcare
sorafenib tosylate
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Foreign Priority and PCT Information for Patent: 8,877,933

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
04023130Sep 29, 2004
PCT Information
PCT FiledSeptember 20, 2005PCT Application Number:PCT/EP2005/010119
PCT Publication Date:April 06, 2006PCT Publication Number: WO2006/034797

International Patent Family for Patent: 8,877,933

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina051301► Subscribe
Australia2005289100► Subscribe
BrazilPI0515946► Subscribe
Canada2581843► Subscribe
China101065360► 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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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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