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Details for Patent: 8,147,866

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Patent 8,147,866 protects BELBUCA and BUNAVAIL and is included in two NDAs. There have been zero Paragraph IV challenges on Belbuca and

This patent has twenty-nine patent family members in nineteen countries.

Summary for Patent: 8,147,866

Title:Transmucosal delivery devices with enhanced uptake
Abstract: The present invention provides methods for enhancing transmucosal uptake of a medicament, e.g., fentanyl or buprenorphine, to a subject and related devices. The method includes administering to a subject a transmucosal drug delivery device comprising the medicament. Also provided are devices suitable for transmucosal administration of a medicament to a subject and methods of their administration and use. The devices include a medicament disposed in a mucoadhesive polymeric diffusion environment and a barrier environment.
Inventor(s): Finn; Andrew (Raleigh, NC), Vasisht; Niraj (Cary, NC)
Assignee: BioDelivery Sciences International, Inc. (Raleigh, NC)
Application Number:13/184,306
Patent Claim Types:
see list of patent claims
Use; Delivery; Device;
Patent Metrics:
Source: PatentQuant.com
Field: Medical technology
Back Citations: 6th percentile
Forward Citations: 9th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Endo Pharms Inc
BELBUCA
buprenorphine hydrochloride
FILM;BUCCAL207932-001Oct 23, 2015RXNo8,147,866► subscribeY TREATEMENT OF PAIN BY TRANSMUCOSAL DELIVERY OF BUPRENORPHINE
Endo Pharms Inc
BELBUCA
buprenorphine hydrochloride
FILM;BUCCAL207932-002Oct 23, 2015RXNo8,147,866► subscribeY TREATEMENT OF PAIN BY TRANSMUCOSAL DELIVERY OF BUPRENORPHINE
Endo Pharms Inc
BELBUCA
buprenorphine hydrochloride
FILM;BUCCAL207932-003Oct 23, 2015RXNo8,147,866► subscribeY TREATEMENT OF PAIN BY TRANSMUCOSAL DELIVERY OF BUPRENORPHINE
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International Patent Family for Patent: 8,147,866

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Japan5689144► subscribe
Japan2013151549► subscribe
CroatiaP20160405► 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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