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Details for Patent: 5,985,850

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Patent 5,985,850 protects SOLARAZE and is included in one NDA. There has been one Paragraph IV challenge on Solaraze. There are five tentative approvals for the compound protected by this patent. Additional details are available via the generic ingredient links below.

This patent has one hundred and eighty-seven patent family members in thirty-three countries.

Summary for Patent: 5,985,850

Title: Compositions comprising hyaluronic acid and drugs
Abstract:A dosage amount of a pharmaceutical composition comprising a therapeutically effective amount of an agent to treat a disease or condition involving underperfused tissue and pathological tissue in humans and a form of hyaluronic acid, wherein the form of hyaluronic acid is available to transport the agent from the point of administration to the site to be treated.
Inventor(s): Falk; Rudolf Edgar (Toronto, CA), Asculai; Samuel S. (Toronto, CA)
Assignee: Hyal Pharmaceuticals Corporation (Mississauga, CA)
Application Number:08/462,154
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Use;

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Fougera Pharms
SOLARAZE
diclofenac sodium
GEL;TOPICAL021005-001Oct 16, 2000RXYes5,985,850► subscribeY
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Foreign Priority and PCT Information for Patent: 5,985,850

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Canada612307Sep 21, 1989

Non-Orange Book Patents for Patent: 5,985,850

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
5,830,882 Compositions containing a form of hyaluronic acid and a medicinal agent for treating acne in mammals and methods for administration of such composition► subscribe
5,932,560 Treatment of conditions and disease► subscribe
5,852,002 Treatment of conditions and disease► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 5,985,850

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO)175► subscribe
African Regional IP Organization (ARIPO)448► subscribe
African Regional IP Organization (ARIPO)475► 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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