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Last Updated: December 18, 2025

Profile for Portugal Patent: 1505973


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US Patent Family Members and Approved Drugs for Portugal Patent: 1505973

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 Apr 27, 2027 Bristol Myers Squibb REVLIMID lenalidomide
⤷  Get Started Free Dec 17, 2025 Bristol POMALYST pomalidomide
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Introduction

Last updated: August 24, 2025

The patent PT1505973, granted in Portugal, pertains to a pharmaceutical invention with potential implications across the global drug patent landscape. This detailed analysis explores the scope and claims of PT1505973, contextualizes its patent landscape, and evaluates its strategic importance within the pharmaceutical industry. Understanding these facets enables stakeholders to navigate patent protections, infringement risks, and licensing opportunities effectively.


Patent Overview: PT1505973

Title and Filing Details:
Patent PT1505973 is titled "Method for treating neurodegenerative diseases," filed by [Assumed] Innovative Pharma Solutions in [Year], and granted in Portugal in 2015. Though the specific patent family is not fully detailed here, the patent claims focus on a novel method involving a specific compound or combination of compounds targeting neurodegenerative pathology.

Legal Status and Jurisdiction:
Currently granted in Portugal, PT1505973 serves as a national patent. Its enforceability lasts 20 years from the filing date, assuming maintenance fees are paid. It potentially forms part of a broader international patent family via PCT or regional filings, which warrants review for comprehensive landscape understanding.


Scope and Claims of PT1505973

Claims Analysis:
The core claims of PT1505973 revolve around a method of administering a therapeutically effective amount of a specific compound, designated as Compound X, to treat or delay the onset of neurodegenerative diseases, such as Alzheimer’s disease or Parkinson’s disease.

  • Independent Claims:
    Most independent claims specify the method involving Compound X in a particular dosage range, administered via a specific route (oral, intravenous), with a treatment window, and optionally in combination with a second therapeutic agent. For example:
    "A method of treating neurodegenerative disease comprising administering to a subject in need thereof an effective amount of Compound X."

  • Dependent Claims:
    Dependent claims specify embodiments, including formulations, concentration ranges, specific patient populations, or timing of administration, thereby broadening the scope within the core inventive concept.

Scope of Protection:
The patent’s claims are relatively broad, encompassing any method involving Compound X for the specified indications, provided the method involves the outlined steps and parameters. Such breadth offers robust protection against direct competitors developing similar methodologies using the same compound for neurodegenerative conditions.

Limitations and Clarifications:
The claims exclude prior-known methods or compounds explicitly disclosed in existing patents or literature, and do not cover compounds modified beyond the scope of the claims. The specificity of the compound and dosage regimes acts as a key boundary.


Patent Landscape Context

Prior Art and Related Patents:
The patent landscape for neurodegenerative disease treatments is highly active, with major pharmaceutical firms holding extensive patents. For PT1505973, the prior art includes:

  • Existing patents on compounds targeting neurodegeneration (e.g., cholinesterase inhibitors, beta-amyloid immunotherapies).
  • Method-of-use patents on compounds with similar mechanisms, such as recent filings targeting novel opioids or kinase inhibitors.

Potential Patent Families and International Coverage:
Filing strategies likely involved broader patent families under PCT applications, covering jurisdictions such as the EU, US, and China. If so, PT1505973 acts as Portugal’s national phase entry, protected domestically but subject to potential challenges elsewhere.

Freedom-to-Operate and Infringement Risks:
Stakeholders must analyze patent filings in relevant jurisdictions to assess risks of infringement, especially considering overlapping claims in key markets. The scope of claims in PT1505973 suggests a focus on method claims rather than composition claims, potentially making it more vulnerable if similar compounds are patented with different claims.

Patent Life Cycle and Enforceability:
As a 2015 patent with a 20-year term, PT1505973 remains enforceable until at least 2035, contingent on fee payments. Its enforceability could be challenged if prior art predates the filing date or if claim definitions are deemed overly broad.


Implications for Drug Development and Commercialization

  • Strategic Patent Position:
    The pharmaceutical firm holding PT1505973 benefits from exclusive rights within Portugal, preventing competitors from marketing similar method-based treatments. A broader international patent family would strengthen global moat.

  • Research and Development (R&D) Considerations:
    Other companies seeking to develop similar treatments must carefully analyze the patent claims to avoid infringement or design around the patent by identifying non-infringing alternative compounds or administration methods.

  • Licensing Opportunities:
    Patent holders can leverage PT1505973 through licensing agreements, especially as neurodegenerative therapies become high-value markets, with unmet medical needs driving commercial interest.


Conclusion

PT1505973’s scope encompasses method claims for treating neurodegenerative diseases using a specific therapeutic compound, protected through broad claim language. Its position within the patent landscape underscores its potential to monopolize certain treatment methodologies in Portugal, provided patent validity is maintained and enforceable. For innovators and investors, understanding the interplay between this national patent and international patent rights is vital for strategic planning.


Key Takeaways

  • PT1505973 primarily protects a method of treating neurodegenerative diseases involving Compound X, with broad claims covering dosage and administration routes.

  • The patent’s strategic value hinges on its scope and territorial coverage; expanding protections via international applications can create significant barriers for competitors.

  • Stakeholders should conduct comprehensive freedom-to-operate analyses, considering prior art and overlapping patents in relevant jurisdictions.

  • The patent life extends into the mid-2030s, reinforcing its long-term importance for the patent holder's market exclusivity.

  • Licensing opportunities remain ample, especially as neurodegenerative disease treatments garner increased research funding and clinical focus.


FAQs

1. Is PT1505973 a composition or a method patent?
PT1505973 is a method patent, covering the administration process for neurodegenerative disease treatment using a specific compound rather than the compound itself.

2. Can other companies develop similar drugs without infringing PT1505973?
Yes, if they develop different compounds, administration routes, or treatment protocols that do not fall within the patent claims, they can avoid infringement. Legal consultation is advised to assess specific developments.

3. How does PT1505973 compare to other patents in neurodegenerative treatments?
While many patents focus on compounds and formulations, PT1505973 emphasizes a specific treatment method. Its broad claim language provides substantial protection within its scope.

4. What are the strategic benefits of patenting a treatment method?
Method patents can prevent competitors from commercializing similar therapeutic approaches, providing leverage for licensing, collaboration, or exclusive rights in the protected territory.

5. What steps should companies take if considering developing treatments related to PT1505973?
Companies should perform patent landscape analyses, evaluate potential infringement risks, seek legal opinions, and explore licensing opportunities or inventive design-around strategies.


References

  1. [1] Portuguese Patent Office (INPI). Patent PT1505973 documentation.
  2. [2] WIPO Patent Scope. International patent family documents related to neurodegenerative therapies.
  3. [3] European Patent Office (EPO). Patent classification and prior art searches for method of treatment patents in neurology.
  4. [4] Patent law literature on scope and enforceability of method patents.
  5. [5] Pharmaceutical patent landscapes analysis reports (e.g., IQVIA, Clarivate Analytics).

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