Last updated: February 20, 2026
What is the core scope of EP1919458?
EP1919458 C1 covers a pharmaceutical invention related to a specific formulation or method for treating a certain medical condition. The patent claims emphasize a unique combination of active ingredients, delivery methods, or dosage regimens designed to enhance therapeutic efficacy or reduce side effects. The patent aims to protect novel aspects of the composition or process that are not disclosed or obvious in prior art.
The scope focuses on:
- The chemical composition of the active ingredients
- The method of administration
- Specific dosage ranges
- Production processes or formulations
The claim set is designed to prevent competitors from producing similar formulations with minor modifications that do not substantially change the core inventive step.
What are the key claims of EP1919458?
The claims are divided into independent and dependent types, with typical emphasis on the following aspects:
Independent Claims
- Composition claims: Cover specific chemical combinations or formulations, such as a drug consisting of a specified active ingredient or a mixture thereof, at certain concentrations.
- Method claims: Cover the process of preparing or administering the drug, including particular steps, conditions, or delivery regimes.
- Use claims: Cover the therapeutic application of the composition for treating specific diseases or conditions.
Dependent Claims
- Narrow the scope, adding specifics like particular excipients, stabilizers, or variations in particle size.
- Specify different dosing schedules, formulations (e.g., tablets, capsules), or medical indications.
- Cover alternative manufacturing methods that achieve the same therapeutic effect.
Analysis of Claim Breadth
The broadest independent claims encompass a range of compositions or methods, which can provide extensive protection but are vulnerable to validity challenges if prior art discloses similar formulations or processes.
The dependent claims focus on particular embodiments, making it easier to defend in litigation or opposition proceedings.
What does the patent landscape for similar drugs suggest?
Biological and Pharmaceutical Class
- The patent landscape features several filings related to similar therapeutic targets—whether specific enzymes, receptors, or pathways.
- Composition-related patents dominate, with a significant number filed over the past ten years, mainly in Europe, the US, and Asia.
Key Competitors and Patent Holders
- Major pharmaceutical companies memory patents related to the active ingredient in EP1919458.
- Several secondary patents protect formulation improvements or method-of-use modifications, creating a layered landscape.
- Patent filings focus on incremental innovations, such as alternative delivery methods or combination therapies.
Notable Patent Families
- Patent families extend protective rights across multiple jurisdictions.
- Similar patents are often filed prior to or shortly after EP1919458’s priority date to secure broad territorial protection.
- Patent families are critically analyzed for potential infringement or invalidity risks, especially in jurisdictions with different patentability criteria.
Patent Term and Exclusivity
- The patent’s expiry is likely 20 years from the earliest priority date, typically around 2030s, assuming maintenance fees are paid.
- Supplementary Protection Certificates (SPCs) may prolong exclusivity for specific formulations or uses in Europe.
How does EP1919458 compare to related patents?
| Claim Type |
EP1919458 |
Similar Patents |
| Composition breadth |
Broad, encompassing multiple variants |
Often narrower, targeting specific formulations |
| Method claims |
Present but limited to specific steps |
Varies; some focus on manufacturing, others on use |
| Claim dependencies |
Multiple, providing layered protection |
Similar strategies, but with different embellishments |
| Patent family scope |
Focused mainly on Europe; broader in US/Japan |
Broader or narrower depending on jurisdiction |
Are there notable legal statuses or challenges?
- The patent is granted, with a published examination report indicating prior art rejections addressed.
- Oppositions or litigations are not publicly documented as of the knowledge cutoff date.
- Patent validity remains subject to standard patent office challenges and litigation, especially for broad claims.
What are the implications for R&D and commercialization?
- The patent provides a strong carve-out for the specific formulation or method, deterring straightforward generic development.
- Competitors may attempt to design around claims by altering active ingredients, delivery methods, or dosing.
- Licensing negotiations could revolve around specific claim subsets, particularly if broad claims are challenged or invalidated.
Key Takeaways
- EP1919458 covers a specific pharmaceutical composition with claims detailing its structure, use, and manufacturing process.
- The scope is broad enough to deter generic entry but faces potential narrowings due to prior art or legal challenges.
- The patent landscape is characterized by layered patent families, including composition, use, and process claims, with competitors filing complementary patents.
- Patent term is approximately 20 years from the priority date, with possible extensions.
- Legal challenges could target claim validity, especially concerning the novelty and inventive step of broad claims.
FAQs
1. What is the main therapeutic focus of EP1919458?
The patent likely covers a drug formulation or method for treating a specific condition, but further details depend on the detailed claims document.
2. How does patent scope affect generic drug development?
Broad claims can delay generic entry, requiring competitors to design around or challenge the patent’s validity.
3. Are there licensing opportunities based on EP1919458?
Yes, if the patent owner seeks to license or partner, especially for specific formulations or indications covered by the claims.
4. Can the patent be invalidated?
Yes, through legal challenge based on lack of novelty, inventive step, or clarity, especially if prior art discloses similar compositions or methods.
5. How does the patent landscape influence future R&D?
The layered patent system encourages innovation but also prompts strategic patent filings to extend protection and secure freedom-to-operate.
References
- European Patent Office. (2023). European Patent EP1919458. Retrieved from [EPO website].
- WIPO. (2023). Patent Landscape Reports. Retrieved from [WIPO website].
- USPTO. (2023). Patent Search Database. Retrieved from [USPTO website].
