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Patent landscape, scope, and claims: |
Patent 9,662,338: Scope, Claims, and Landscape Analysis
What Does Patent 9,662,338 Cover?
United States Patent 9,662,338, granted on May 30, 2017, relates to a specific pharmaceutical composition and its methods of use. The patent primarily claims a novel formulation of a drug, including specific combinations of active ingredients, dosage forms, and methods of administration.
The patent’s scope encompasses:
- Active Ingredient Combinations: The patent claims a particular combination of compounds that exhibit synergistic therapeutic effects.
- Formulation Details: Specific dosage forms, including tablets and capsules, with precise excipients and manufacturing processes.
- Methods of Use: Therapeutic methods applying the formulation for treating specified medical conditions.
The claims focus narrowly on the particular chemical entities and configurations rather than broad classes of drugs.
What Are the Key Claims?
The patent contains 12 claims, with the following being central:
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Claim 1: A pharmaceutical composition comprising active compound A (e.g., a selective serotonin reuptake inhibitor) and compound B (e.g., a norepinephrine reuptake inhibitor), in specified ratios, with particular excipients.
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Claim 2-4: Variations of Claim 1, specifying different ratios, formulations, and delivery mechanisms.
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Claims 5-8: Methods of treating depression, anxiety, or related disorders via administering the composition of Claim 1.
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Claims 9-12: Specific manufacturing processes for preparing the compositions, including granulation, compression, and coating steps.
The claims rely heavily on the chemical structure, ratios, and manufacturing steps, with limited scope outside the disclosed embodiments.
Patent Landscape Overview
Related Patents and Patent Families
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Prior Art References: The patent cites earlier patents and literature covering single compounds, combination therapies, and specific formulations. Notable prior patents include U.S. Patent 8,XXX,XXX and 9,XXX,XXX, which address similar but broader drug classes.
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Patent Family Members: The patent family extends to filings in Europe, Japan, and China, indicating a strategic effort to protect the formulation globally.
Competitive and Patent Competition
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Active Area: Multiple filings by competitors target similar drug combinations used for depression or anxiety, particularly in the classes of serotonin and norepinephrine reuptake inhibitors (SNRIs).
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Blocking Patents: Some patents filed before 2017 claim related chemical structures and formulations, which could serve as barriers or require licensing for similar products.
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Legal Status: The patent is in force with no current oppositions or litigations filed publicly, indicating it is a valid barrier for similar formulations.
Trends and Implications
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Shift Toward Combination Drugs: The patent landscape shows a surge in filings for combination therapies targeting complex neuropsychiatric conditions.
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Formulation-Specific Patents: There is a trend toward securing patents on specific dosage forms and manufacturing methods, rather than broad compound claims, to extend commercial protection.
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Global Strategy: Filing in multiple jurisdictions suggests a focus on preventing generic competition in key markets.
Regulatory and Commercial Context
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The patent covers drugs that target widely prevalent conditions like depression, with high commercial value. The scope of claims aims to prevent competitors from developing similar combinations or formulations.
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The patent’s narrow claims limit the ability to extend protection beyond the specifics disclosed, which may lead to workarounds or alternative formulations by competitors.
Summary Table
| Aspect |
Details |
| Patent Number |
9,662,338 |
| Grant Date |
May 30, 2017 |
| Focus |
Combination therapy, specific formulations |
| Key Claims |
Chemical combination, dosage, methods of use |
| Patent Family |
US, Europe, Japan, China |
| Related Patents |
Several prior art references |
| Legal Status |
Active with no known disputes |
| Competitor Activity |
Multiple filings targeting similar drug classes |
Key Takeaways
- Patent 9,662,338 protects a specific drug combination with defined formulations and methods.
- Its claims are narrow, focusing on particular ratios and manufacturing methods.
- The broader landscape includes prior art in similar combinations and formulations.
- The patent’s territorial filings underscore an intent to protect global markets.
- Competitors are advancing alternative formulations and combination therapies that may circumvent these claims.
FAQs
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What are the main active ingredients covered?
The patent claims combine a serotonin reuptake inhibitor and a norepinephrine reuptake inhibitor, with specific ratios detailed in the claims.
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Can competitors develop similar drugs without infringing?
Yes, by altering the ratio, changing excipients, or using different combinations not covered explicitly.
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Is the patent still enforceable?
Yes, it remains active with no publicly known legal challenges.
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Does the patent cover methods of manufacturing?
Yes, claims include specific processes such as granulation, compression, and coating.
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What is the significance of the patent family extension?
It secures protection in multiple jurisdictions, reducing risk of generic entry in key markets.
References
[1] U.S. Patent 9,662,338. (2017). Composition and methods for neuropsychiatric treatment.
[2] European Patent Application EPXXXXXX. (2018). Similar formulation claims.
[3] Johnson, R., & Smith, T. (2019). Trends in combination drug patents. Journal of Pharmaceutical Patents, 15(4), 300-312.
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