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Last Updated: December 19, 2025

Profile for Luxembourg Patent: 91888


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US Patent Family Members and Approved Drugs for Luxembourg Patent: 91888

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
⤷  Get Started Free May 21, 2027 Bristol ELIQUIS SPRINKLE apixaban
⤷  Get Started Free May 21, 2027 Bristol Myers Squibb ELIQUIS apixaban
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope and Claims and Patent Landscape for Luxembourg Drug Patent LU91888

Last updated: August 3, 2025


Introduction

Luxembourg patent LU91888 pertains to a pharmaceutical invention within the landscape of drug patenting. As a strategic intellectual property asset, understanding its scope, claims, and the broader patent landscape is essential for stakeholders engaged in drug development, licensing, and competition analysis. This analysis provides an in-depth review of the patent’s claims, territorial scope, and its position within the pharmaceutical patent environment.


Patent Overview and Background

LU91888 was granted by Luxembourg’s Intellectual Property Office, governed by the European Patent Convention (EPC) jurisdiction, which offers a streamlined process for patent protection within EU member states, including Luxembourg. The patent likely covers a novel drug formulation, method of use, or a chemical compound pertinent to therapeutic applications.

While the official patent document is not publicly available in open sources, typical patent filings in this field focus on:

  • Unique chemical compounds or analogs
  • Innovative formulations or delivery systems
  • Specific therapeutic methods
  • Use claims that specify novel indications

Given the scope of Luxembourg patents, LU91888 could serve as a strategic regional patent, possibly based on parent filings in larger jurisdictions such as the European Patent Office (EPO) or the U.S. Patent and Trademark Office (USPTO).


Scope of the Patent and Key Claims

1. Claim Types and Structure

The patent claims define the legal boundaries for exclusivity. They can be broadly categorized:

  • Compound Claims: Cover specific chemical entities or their derivatives.
  • Method Claims: Describe novel therapeutic or manufacturing processes.
  • Use Claims: Cover particular indications or therapeutic methods.
  • Formulation Claims: Encompass specific compositions or delivery systems.

2. Likely Scope Based on Typical Pharmaceutical Patents

Assuming LU91888 follows conventional patent drafting strategies, its core claims likely include:

  • Chemical Composition: A patent claim directed toward a specific active pharmaceutical ingredient (API), possibly a novel compound or salt with advantageous pharmacokinetic or pharmacodynamic properties.
  • Method of Use: Claims specifying the treatment of particular diseases or conditions with the API.
  • Drug Formulation: Claims relating to specific formulations (e.g., sustained-release, combination therapies).
  • Manufacturing Processes: Claims covering methods to synthesize the compound or prepare formulations.

3. Claim Breadth and Novelty

The strength of LU91888’s claims depends on their novelty and inventive step. Patentability hinges on demonstrating that the chemical entity or process is neither disclosed nor obvious from prior art. For pharmaceutical patents, the claims often combine structural features with specific therapeutic applications to maximize scope while maintaining validity.


Patent Landscape Analysis

1. Hierarchical Patenting Strategy

Patents related to LU91888 likely include:

  • Parent Applications: Filed in prior jurisdictions, establishing priority.
  • Subsequent Continuations or Divisional Applications: To refine claims or extend scope.
  • Freedom-to-Operate (FTO) Obstacles: Existing patents that may overlap are critical in assessing the patent’s enforceability.

2. Key Competitors and Patent Families

Major pharmaceutical entities competing in the same therapeutic area would have patent families covering similar compounds or methods. For instance:

  • Competitors' Patents: Covering alternative compounds or formulations.
  • Patent Thickets: Overlapping patents could complicate commercialization efforts, requiring careful freedom-to-operate analyses.

3. Patent Validity and Challenges

Given the stringent patentability criteria, LU91888’s validity could be challenged on grounds such as:

  • Lack of inventive step
  • Priority disputes
  • Prior art disclosures

4. Regional and Global Strategy

Luxembourg, with its advantageous jurisdiction, serves as a strategic foothold for patent protection across Europe via the EPO, especially if LU91888’s scope aligns with European or international patents.


Legal and Commercial Significance

The scope of LU91888 influences licensing, partnership negotiations, and exclusivity rights. Broad claims can afford substantial market protection but risk invalidation if overly ambitious. Narrow claims, while more robust, limit commercial exclusivity.

From a legal standpoint, securing enforceability requires continuous monitoring of prior art and potential infringing activities within both regional and global markets.


Conclusion

LU91888 exemplifies a strategic pharmaceutical patent in Luxembourg, encompassing key claim categories typical in drug patenting. Its robustness depends on claim specificity, novelty, and its position within an extensive patent landscape. Stakeholders should analyze related patents for comprehensive FTO assessments and licensing strategies.


Key Takeaways

  • Claim Scope: Expect a combination of compound, use, and formulation claims, tailored to maximize exclusivity while maintaining validity.
  • Patent Landscape: LU91888 is likely part of a broader patent family; understanding overlapping patents is critical for commercialization.
  • Legal Risks and Opportunities: The patent’s strength relies on careful claim drafting and ongoing landscape surveillance to prevent or defend against invalidation.
  • Regional Advantage: Luxembourg’s jurisdiction offers strategic positioning for European patent protection, but global protection requires supplementary filings.
  • Strategic Importance: LU91888 serves as a core asset for licensing or partnership negotiations, especially if it covers a novel therapeutic compound with significant commercial potential.

FAQs

1. What is the primary focus of Luxembourg patent LU91888?
It likely covers a novel pharmaceutical compound, specific therapeutic uses, or formulations, with an emphasis on chemical composition and method claims relevant to its therapeutic application.

2. How does the patent landscape impact LU91888’s commercial viability?
Overlapping patents and existing prior art can pose challenges, requiring thorough freedom-to-operate assessments to prevent infringement and validate enforceability.

3. Can LU91888's claims be broadened or narrowed post-grant?
Narrowing claims generally is feasible via post-grant procedures, but broadening claims is highly restricted in patent law. Strategic claim amendments are critical during prosecution.

4. Why is Luxembourg a strategic jurisdiction for this drug patent?
Luxembourg offers efficient patent prosecution within the EU, facilitating regional protection with potentially lower costs and faster processing compared to other jurisdictions.

5. How does LU91888 fit within the overall patent strategy?
It likely forms part of a broader patent portfolio to safeguard the drug’s core innovation, support licensing initiatives, and defend against infringement in key markets.


Sources

[1] European Patent Office, “Guidelines for Examination,” 2022.
[2] World Intellectual Property Organization, “Patent Landscaping in Pharma,” 2021.
[3] European Patent Convention, “Patentability Requirements,” 1973.
[4] Luxembourg Intellectual Property Office, “Patent Filing Procedures,” 2022.
[5] Licensing and Patent Strategy in Pharma, Industry Reports, 2020.


Note: This analysis is based on typical patent drafting strategies and landscape considerations since the full patent document for LU91888 is not publicly available. For detailed legal advice or patent-specific data, consulting the official patent document or engaging with a patent attorney is recommended.

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