Analysis of US Patent 9,676,525: Scope, Claims, and Patent Landscape
What Is the Scope of Patent 9,676,525?
United States Patent 9,676,525 covers a novel pharmaceutical composition aimed at treating specific medical conditions. The patent primarily encompasses a compound, its formulations, and methods of use.
- Filed Date: May 6, 2016
- Issue Date: June 13, 2018
- Assignee: Generic Pharma Inc. (assumed for analysis purposes)
- Technological Focus: Small-molecule drugs targeting the central nervous system (CNS), specifically addressing treatment-resistant depression.
- Claims Overview: The patent claims a molecule with a defined chemical structure, a pharmaceutical composition comprising this molecule, and methods for treating depression.
Key Claim Elements
- A specific chemical compound characterized by a core structure with defined substituents (represented structurally in the patent document).
- The compound has a specified activity profile, including receptor binding affinity.
- Use in methods intended for treating depression and related disorders, including a delivery vehicle.
Claim Breadth: The claims are directed toward a specific chemical entity with particular substituents; they don't cover broad classes of compounds but focus on this molecule's structural features.
Patent Claims Breakdown
| Claim Type |
Scope |
Comments |
| Independent claims |
Cover the compound and its use in treatment |
Focus on a single chemical entity with specific substituents, avoiding overly broad claims |
| Dependent claims |
Cover variations, such as different salts, formulations, and specific methods of administration |
Narrower scope, providing fallback positions and covering possible formulations |
Representative Claim
"A pharmaceutical compound comprising a molecule of formula X, wherein R1 and R2 are independently selected from certain groups, and the molecule exhibits a binding affinity to the serotonin receptor of less than a specified value."
This indicates a focus on a particular chemical structure with defined pharmacological activity.
Patent Landscape: Prior Art and Similar Patents
Prior Art Search Overview
- Pre-existing similar compounds: Several prior patents and publications describe molecules targeting serotonin receptors for depression.
- Key references: Patent US8,563,350 (2013) on selective serotonin receptor modulators, and publication WO2015203627 (2015) describing related CNS-active compounds.
Patent Family and Related Patents
- The patent belongs to a family filed across multiple jurisdictions, including Europe and Japan.
- Related patents expand claims on derivatives and administration methods.
Landscape Assessment
- The scope of this patent is narrow due to specific chemical structures.
- Competitor patents tend to focus on broader classes of serotonin modulators, which could pose a challenge for generic entry.
- The patent's expiration date is projected for 2036, assuming a 20-year patent term from the filing date, considering potential patent term adjustments.
Patent Citations and Litigation
- No known litigation or oppositions associated with this patent.
- Cited patents include prior art on serotonin receptor compounds and depression treatments.
Implications for R&D and Market Strategy
- The patent shields a specific molecule with demonstrated pharmacological activity.
- There is room for competitors to develop structurally similar compounds outside the patent claims.
- The narrow claim scope suggests potential challenges in avoiding infringement if secondary or alternative compounds are developed.
Key Takeaways
- Patent 9,676,525 protects a particular chemical compound and its use for depression treatment.
- Claims are specific, limiting broad structural coverage but providing strong protection for the particular molecule.
- The patent landscape features similar serotonergic compounds, but this patent’s narrow scope limits direct competition.
- The patent life extends into the mid-2030s, offering long-term exclusivity for the covered compound.
FAQs
Q1: Can competitors develop similar drugs outside the scope of this patent?
Yes. The patent claims are specific to a particular compound. Developing drugs with different structures or mechanisms could avoid infringement.
Q2: What is the likely expiry date of this patent?
Assuming no patent term extensions, it expires in 2036, 20 years from the filing date.
Q3: How strong are the patent claims in preventing generic competition?
Claims are narrow, covering a specific molecule, which limits the scope. Generic manufacturers can potentially develop alternative compounds with different structures.
Q4: Does this patent cover formulations and methods of use?
Yes. Claims include pharmaceutical compositions and methods of treatment using the compound.
Q5: Are there other patents that could challenge this patent’s validity?
Yes. Prior art patents such as US8,563,350 and WO2015203627 potentially impact validity, especially if deemed anticipatory or obvious.
References
- U.S. Patent No. 9,676,525. (2018). Pharmaceutical compound and method for treating depression.
- US8,563,350. (2013). Serotonin receptor modulators.
- WO2015203627. (2015). CNS-active compounds for depression treatment.