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Details for Patent: 8,956,661

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Patent 8,956,661 protects SEEBRI and UTIBRON and is included in two NDAs.

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

Summary for Patent: 8,956,661

Title:Method of making composite particles for use in pharmaceutical compositions and composite particles and compositions thereof
Abstract: The invention relates to a method for making composite active particles for use in a pharmaceutical composition for pulmonary administration, the method comprising a milling step in which particles of active material are milled in the presence of particles of an additive material which is suitable for the promotion of the dispersal of the composite active particles upon actuation of an inhaler. The invention also relates to compositions for inhalation prepared by the method.
Inventor(s): Staniforth; John Nicholas (Bath, GB), Green; Matthew Michael James (Surrey, GB), Morton; David Alexander Vodden (Bath, GB)
Assignee: Vectura Limited (Chippenham, Wiltshire, GB)
Application Number:13/623,326
Patent Claim Types:
see list of patent claims
Use; Composition; Device; Delivery;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 0th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Novartis Pharms Corp
SEEBRI
glycopyrrolate
POWDER;INHALATION207923-001Oct 29, 2015RXYes8,956,661► subscribeY
Novartis Pharms Corp
UTIBRON
glycopyrrolate ; indacaterol maleate
POWDER;INHALATION207930-001Oct 29, 2015RXYes8,956,661► subscribeY
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Non-Orange Book Patents for Patent: 8,956,661

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
7,736,670Method of making particles for use in a pharmaceutical composition► subscribe
7,223,748Pharmaceutical formulations for dry powder inhalers in the form of hard-pellets► subscribe
8,932,635Pharmaceutical compositions of hydrophobic surface-modified active substance microparticles for inhalation► 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: 8,956,661

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada2406206► subscribe
Canada2413692► subscribe
Canada2429665► 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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