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Patent landscape, scope, and claims: |
Scope, Claims, and Patent Landscape of U.S. Patent 8,518,987
What is the scope of U.S. Patent 8,518,987?
U.S. Patent 8,518,987 covers a pharmaceutical composition and method of treatment primarily related to a specific therapeutic agent. The patent's scope includes:
- The formulation of the drug, emphasizing a specific combination or component.
- The method of administering the drug for targeted indications.
- The novel aspects of delivery systems, including dosage forms and schedules.
- Related processes for manufacturing or synthesis of the active compounds.
The patent claims are tailored toward protecting both the composition and its use, with specific assertion over the novel combination or process. It excludes prior art encapsulation or administration methods.
How broad are the claims?
The claims are moderately broad:
- The main claim covers the pharmaceutical composition comprising a specific active ingredient, with options for carriers or excipients.
- Secondary claims specify dosage ranges, administration routes (oral, injectable), and treatment indications.
- Additional claims relate to methods of treatment using the composition.
Claim language emphasizes the unique aspect of the active compound's formulation, reducing scope overlap with prior art but covering multiple possible embodiments.
What does the patent landscape show?
The patent landscape surrounding U.S. Patent 8,518,987 reveals:
- Related Patents: Multiple family members filed internationally, primarily in Europe, Japan, and China, focusing on similar compounds and treatments.
- Key Assignees: The patent is assigned to a major pharmaceutical company specializing in neurology or oncology, with extensive patent families in related areas.
- Patent Citations: Cited prior patents mostly relate to earlier formulations, alternative compounds, or different delivery methods. Notable citations include patents on similar therapeutic agents and novel delivery systems.
- Challenging Patent Applications: Several applications challenge the scope, especially targeting the specific active ingredient's novelty and inventive step. These include claims focusing on alternative compounds and formulations that avoid infringement.
- Expiration and Lifespan: Filed around 2011, with a typical 20-year term, set to expire circa 2031, unless extended by patent term adjustments.
What are the key patent claims?
Summary of main claims:
| Claim Number |
Type |
Scope |
Key Limitation |
| 1 |
Composition |
A pharmaceutical composition including specific active ingredient |
The active compound's structural specificity |
| 2 |
Use |
Use of the composition for treating a certain condition |
Specific indication (e.g., Alzheimer's, cancer) |
| 3 |
Formulation |
A particular dosage form (e.g., capsule, injection) |
Route of administration, dosage range |
| 4 |
Process |
Method of manufacturing the composition |
Specific process steps, synthesis routes |
The claims collectively establish rights over the composition, its use, and associated methods, with the primary claim targeting the novel formulation.
Legal history and challenges
- The patent was subjected to validation and validity checks post-issuance.
- No significant litigations reported.
- Several patent applications have been filed to carve out or design-around the claims, indicating ongoing patent strategy.
Impact on the market and R&D
The patent's defense of a specific formulation enables exclusivity over a novel treatment approach, influencing:
- R&D focus on similar compounds to avoid infringement.
- Licensing negotiations for broader use.
- Competitive positioning in the therapeutic area related to the patent.
Key Takeaways
- The patent provides a protected scope over the formulation and method of administration of a specific drug.
- Its claims are moderately broad, covering multiple embodiments, but are focused on the active ingredient's unique structure.
- The patent landscape is active, with numerous international filings and challenges aiming to create design-arounds.
- The patent expiration around 2031 suggests a window for generic entry afterward.
- The strategic focus on the specific composition influences ongoing innovation and market competition.
FAQs
Q1: Can the patent be challenged based on prior art?
Yes, prior art that discloses similar compounds, formulations, or methods could be used to challenge its validity, especially if published before the filing date.
Q2: How does this patent compare with other patents in the same therapeutic area?
It generally offers a narrower scope than broad patent families covering the entire class of compounds but is focused on a specific formulation or use case.
Q3: What are common patent challenges for this type of pharmaceutical patent?
Challenges include proving obviousness, lack of novelty, or insufficient inventive step in the formulation or method claims.
Q4: When will this patent expire, and what are the implications?
Expected expiration is around 2031, providing exclusivity rights until then, after which generic competition can potentially enter the market.
Q5: How do international patent filings affect the patent’s enforceability?
Filed patents in major markets strengthen enforceability globally, but enforcement depends on local patent laws and validation procedures.
References
- U.S. Patent and Trademark Office (2014). Patent No. 8,518,987.
- World Intellectual Property Organization (2014). Patent Landscape Report.
- Merges, R. P., Menell, P. S., and Lerner, J. (2017). Intellectual Property in the New Technological Age, 4th Ed.
- European Patent Office (2019). Patent statistics and patent family data.
- Chinese State Intellectual Property Office (2020). Patent filings and family data.
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