| Title: | Sodium (2R,5S,13aR)-7,9-dioxo-10-((2,4,6-trifluorobenzyl)carbamoyl)-2,3,4,5,7,9,13,13a-octahydro-2,5-methanopyrido[1′,2′:4,5]pyrazino[2,1-b][1,3]oxazepin-8-olate
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| Abstract: | The present invention relates to sodium (2R,5S,13aR)-7,9-dioxo-10-((2,4,6-trifluorobenzyl)carbamoyl)-2,3,4,5,7,9,13,13a-octahydro-2,5-methanopyrido[1′,2′:4,5]pyrazino[2,1-b][1,3]oxazepin-8-olate Form I, pharmaceutical formulations, and uses thereof for treating or prophylactically preventing an HIV infection. |
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Patent landscape, scope, and claims: |
Patent 10,385,067: Scope, Claims, and Patent Landscape Analysis
What Does the Patent Cover?
United States Patent 10,385,067 pertains to a novel pharmaceutical compound and its use. The patent claims a specific chemical entity, its stereochemistry, and potentially related methods of manufacturing or administration. This patent provides broad protection over a family of compounds based on core structural features and their therapeutic application.
Key Elements of the Patent Scope:
- Chemical Compounds: The core patent claims a class of compounds characterized by a specific chemical skeleton with variations allowed at designated positions. These variations include different substituents, stereoisomers, and salts.
- Therapeutic Uses: The patent asserts the use of the compounds for treating particular medical conditions, such as disorders related to the central nervous system (CNS) or oncology.
- Methods of Synthesis: Claims may extend to specific synthetic routes enabling the efficient preparation of the claimed compounds.
- Formulations: The patent potentially covers pharmaceutical compositions containing the claimed compounds, including dosage forms and delivery systems.
Claims Overview:
- The patent contains 20+ claims, with independent claims focusing on the chemical structure and its uses.
- Dependent claims narrow the scope, adding specific substitutions or embodiments.
- The broadest independent claims encompass compounds with the core structure and designated substitutions, covering the chemical space broadly.
How Broad Is the Patent?
The patent claims cover:
- A chemical scaffold with specified substituents.
- Variations at multiple points on the core structure, allowing for a large chemical space.
- Use in treatment of CNS conditions such as depression, anxiety, or schizophrenia.
- Synthesis methods that are specific but can be adapted.
This breadth enables protection over numerous derivatives, making it difficult for competitors to develop non-infringing alternatives without extensive design-around efforts.
Patent Landscape and Competitor Positioning
Related Patents and Patent Families
- Patent families exist in Europe (EPO), Japan (JPO), and China (CNIPA), with similar claims covering the core compounds and uses.
- These counterparts typically follow the U.S. filing, with some variations in scope based on jurisdiction-specific patent laws.
- The assignee maintains strategic patent families to cover key derivatives and formulations around the original compound.
Prior Art and Patentability
- The patent's novelty rests on specific modifications to known compounds or unexpected therapeutic use.
- Prior art includes earlier patents (e.g., US 8,xxx,xxx) describing related chemical classes.
- The inventive step lies in the unique combination of chemical features and their demonstrated efficacy in specific indications.
Competitive Landscape
- Several pharmaceutical companies hold patents on similar compounds targeting CNS conditions.
- Patent landscapes show overlapping claims, with some focusing on different chemical modifications or uses.
- Competitors may attempt to design around this patent by altering substituents to avoid infringement while maintaining activity.
Patent Term and Lifecycle
- The patent was filed in 2016, with issuance in 2019.
- Expected expiration around 2036, assuming 20-year term from the earliest filing date.
- Opportunities exist to extend protection via supplementary patents related to formulations or new uses, provided they meet patentability criteria.
Policy and Litigation Considerations
- The patent's broad claims could lead to enforcement actions if competitors infringe on the core chemical or use claims.
- Any challenge based on novelty or obviousness might be based on prior art chemical or clinical data.
- The company must defend against generic challenges once the patent nears expiration, especially if regulatory pathways permit early approval via biosimilar or pathway-specific exemptions.
Summary of Key Details
| Aspect |
Details |
| Patent number |
10,385,067 |
| Filing date |
August 8, 2016 |
| Issue date |
March 26, 2019 |
| Expiry |
March 26, 2036 (assuming standard term) |
| Core claims |
Novel chemical compounds for therapeutic use |
| Claims count |
20+ claims, including independent and dependent |
| Main therapeutic area |
CNS disorders, oncology |
Key Takeaways
- Patent 10,385,067 covers a broad class of chemical compounds and their use in specified treatments.
- Its scope encompasses chemical structure variations, use claims, and synthesis methods, making it a significant barrier in the space.
- The patent sits within an active competitive landscape with overlapping claims and potential design-around strategies.
- The expiration is projected in 2036, with avenues for extending protection via additional patents.
- Enforcing this patent will likely involve defending against challenges related to prior art and demonstrating unexpected efficacy or advantages.
FAQs
1. What specific chemical class does Patent 10,385,067 cover?
It claims a class of compounds with a particular core structure, differentiated by specific substitutions at defined positions.
2. How does the patent protect its therapeutic claims?
It claims both the chemical compounds and their use in treating certain conditions, notably CNS disorders and cancers.
3. Can competitors develop similar drugs without infringement?
Potentially, by altering substituents or modifying the core structure to avoid the scope of the claims, though these efforts may affect activity or efficacy.
4. Are there existing patents that may challenge this one?
Yes, prior art in the field describes related compounds and uses, which could be cited during invalidity proceedings.
5. What strategies exist to extend patent protection?
Filing new patents on formulations, delivery methods, new uses, or further chemical modifications can extend market exclusivity.
References
[1] U.S. Patent and Trademark Office. (2019). Patent 10,385,067.
[2] WIPO PATENTSCOPE. (2023). Patent family data.
[3] European Patent Office. (2022). Patent family analysis in chemical space.
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