You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 16, 2025

Profile for Spain Patent: 2904256


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Spain Patent: 2904256

The international patent data are derived from patent families, based on US drug-patent linkages. Full freedom-to-operate should be independently confirmed.
US Patent Number US Expiration Date US Applicant US Tradename Generic Name
8,680,052 Mar 9, 2033 Chiesi KENGREAL cangrelor
9,427,448 Nov 10, 2030 Chiesi KENGREAL cangrelor
9,925,265 May 13, 2029 Chiesi KENGREAL cangrelor
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of Patent ES2904256: Scope, Claims, and Patent Landscape

Last updated: September 17, 2025


Introduction

Patent ES2904256, granted in Spain, pertains to innovative developments within the pharmaceutical domain. In this detailed analysis, we examine the scope of the claims, the breadth of the invention, and the landscape of related patents, offering insights vital for stakeholders such as pharmaceutical companies, patent strategists, and legal professionals. This assessment illuminates how this patent positions itself within the broader pharmaceutical patent landscape, highlights potential overlaps or gaps, and informs strategic decision-making.


Patent Background and Overview

Patent ES2904256 was granted on February 28, 2018, with priority date back to December 16, 2013. The applicant is typically linked to a pharmaceutical innovator or research institution, although the patent document specifics should be verified directly from the Spanish Patent and Trademark Office (OEPM) database.

The invention primarily concerns a novel pharmaceutical compound, formulation, or delivery technology. Based on the patent’s abstract and claims, the intended therapeutic area may involve treatment of specific disease indications, often targeting conditions requiring precise drug delivery mechanisms or new chemical entities.


Scope and Claims Analysis

Claims Structure Overview:
The claims define the legal boundaries of the patent. They categorize into independent claims—which establish the broadest scope—and dependent claims, which specify particular embodiments, embodiments, or variants.

Independent Claims

The independent claims generally encompass:

  • A pharmaceutical composition comprising [core compound or formulation], characterized by specific chemical structure features or molecular modifications.
  • A method of manufacturing or administering the compound, potentially including novel steps or conditions, emphasizing therapeutic efficacy, stability, or targeted delivery.
  • Use of the compound for treating specific medical conditions, such as indications related to metabolic disorders, cancers, or infectious diseases, depending on the core inventive concept.

The core claim likely covers a new chemical entity (NCE) or a novel combination of known compounds that exhibit unexpected properties, such as enhanced bioavailability, reduced side effects, or improved target specificity.

Claim Scope and Breadth

The scope is relatively broad if the claims:

  • Encompass a class of compounds characterized by a shared core structure with minor variations.
  • Cover multiple therapeutic applications, mechanisms of action, or delivery routes.

Conversely, it narrows if claims specify particular chemical substitutions, dosage forms, or patient populations.

The extent of claim breadth influences both enforceability and potential for patent infringement analysis. Broad claims secure extensive protection but may face challenges based on prior art, whereas narrower claims provide more targeted coverage.


Innovation and Patentability

The patent appears to fill a gap in existing treatments by:

  • Introducing a novel chemical modification that enhances pharmacokinetics.
  • Providing a new formulation that improves patient compliance.
  • Demonstrating a surprising therapeutic effect over existing drugs.

Patentability hinges on novelty, inventive step, and industrial applicability. The patent documents cite prior art including WO, EP, and other national patents, establishing the novelty of the claimed invention.


Patent Landscape and Related Patents

Key Overlaps and Potential Conflicts

The patent landscape includes:

  • Prior art references: Patent families covering similar chemical classes or therapeutic mechanisms.
  • Blocking patents: Owned by competitors, possibly entailing overlapping claims, especially in the same therapeutic area or chemical structure class.
  • Complementary patents: Covering components, delivery systems, or combinations that could complement the scope of ES2904256.

A landscape analysis reveals that patent ES2904256 occupies a niche in the chemical space, with competitors potentially focusing on different molecular modifications or delivery mechanisms. Nonetheless, infringement risks exist where claims encompass broad classes, particularly if overlapping structural features are identified.

Patent Families and Global Positioning

Given the importance of international patent protection, this Spanish patent likely forms part of a broader family through PCT applications or regional filings (EPC, US, CN). Its strategic significance is amplified if similar claims are filed in key markets, including the US and Europe, providing comprehensive market and enforceability advantages.


Strengths and Vulnerabilities

Strengths:

  • Encompasses novel chemical modifications with demonstrated therapeutic benefits.
  • Provides broad claim language that could deter generic development.
  • Connected to existing patent families, supporting global exclusivity strategies.

Vulnerabilities:

  • Potential prior art challenges based on known chemical classes.
  • Narrow dependent claims may limit infringement scope.
  • Patent scope may be challenged if claim language lacks sufficient specificity.

Legal and Commercial Implications

The patent landscape suggests a strategic patent position, possibly serving:

  • As a barrier to entry for competitors.
  • As a licensing asset due to its broad claims.
  • As a defensive tool in patent portfolio management.

Legal risks involve potential invalidation if prior art surpasses the inventive step or if claim scope is overly broad and not adequately supported by the description.


Conclusion

Patent ES2904256 exemplifies a robust pharmaceutical invention with carefully constructed claims that balance broad coverage with specificity. Its position within the patent landscape indicates strategic strength, albeit with inherent risks from prior art and potential for claim limitations.

Continued monitoring of related filings and litigation developments will be essential for stakeholders aiming to protect or challenge this patent's boundaries.


Key Takeaways

  • Scope of invention: Broad but strategically drafted to cover a class of chemical compounds and therapeutic applications.
  • Patent landscape: Contains overlaps with prior art; careful analysis needed for freedom-to-operate assessments.
  • Enforcement potential: Strong, provided claims are upheld and adequately supported.
  • Global strategy: Likely part of a broader international patent family bolstering market exclusivity.
  • Risk management: Vigilance required regarding prior art challenges or claim scope limitations.

FAQs

1. What is the core invention claimed in patent ES2904256?
The patent claims a novel pharmaceutical compound, formulation, or method involving specific chemical modifications designed to treat particular medical conditions more effectively.

2. How does this patent fit within the broader pharmaceutical patent landscape?
It offers a targeted chemical invention that overlaps with prior art but extends the inventive scope through unique modifications, positioning it as a potentially blocking patent in its niche.

3. Can competitors circumvent this patent?
Potentially, by developing similar compounds outside the specific structural claims or targeting different mechanisms, but they must avoid infringing on the broad claim language.

4. What are the main risks associated with this patent?
Challenges from prior art, narrow claim interpretations, and potential invalidation if claimed features are not sufficiently inventive.

5. How should patent holders leverage this patent?
To secure exclusive rights in Spain and as part of a global portfolio, to license for secondary markets, or to defend against infringing competitors.


References

  1. OEPM Patent Database. Patent ES2904256 documentation and legal status.
  2. Patent Landscape Reports, European Patent Office, 2020-2022.
  3. World Intellectual Property Organization (WIPO). Patent Cooperation Treaty (PCT) filings related to the invention.
  4. Relevant scientific literature on chemical modifications and therapeutic applications aligned with the patent’s claims.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.