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Details for Patent: 6,841,716

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Patent 6,841,716 protects MINIVELLE and is included in one NDA. There have been two Paragraph IV challenges on Minivelle.

This patent has nine patent family members in eight countries.

Summary for Patent: 6,841,716

Title: Patch
Abstract:According to the invention, a patch provided with a support 1, an adhesive layer 2 laminated on one side of the support, and a release film 4 attached in a releasable manner to the adhesive layer and having a slit 42 running from one edge to the opposite edge, is characterized in that the shape of the slit in the release film is a wave shape such that, by simply bending the support slightly along the slit while the exposed side of the adhesive layer which has been exposed by peeling off part of the release film along the slit is attached to the attachment site, the edge 44 of the slit of the remaining release film can promptly protrude outward from between the attachment site and the adhesive layer.
Inventor(s): Tsutsumi; Nobuo (Tokyo, JP)
Assignee: Hisamitsu Pharmaceutical Co., Inc. (Saga, JP)
Application Number:09/959,928
Patent Claim Types:
see list of patent claims
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 17th percentile
Forward Citations: 1st percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
FILM, EXTENDED RELEASE;TRANSDERMAL203752-005Sep 23, 2014RXNo6,841,716Apr 27, 2020Y
FILM, EXTENDED RELEASE;TRANSDERMAL203752-001Oct 29, 2012RXNo6,841,716Apr 27, 2020Y
FILM, EXTENDED RELEASE;TRANSDERMAL203752-003Oct 29, 2012RXNo6,841,716Apr 27, 2020Y
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Foreign Priority and PCT Information for Patent: 6,841,716

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan11/133037May 13, 1999
PCT Information
PCT FiledApril 27, 2000PCT Application Number:PCT/JP00/02791
PCT Publication Date:November 23, 2000PCT Publication Number: WO00/69422

International Patent Family for Patent: 6,841,716

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office1181930<disabled in preview>
Germany60006380<disabled in preview>
Japan5285198<disabled in preview>
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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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