You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 17, 2025

Profile for Portugal Patent: 1931346


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for Portugal Patent: 1931346

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 Mar 27, 2027 Angelini Pharma OLEPTRO trazodone hydrochloride
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for Portugal Patent PT1931346

Last updated: August 26, 2025


Introduction

Patent PT1931346, filed and granted within Portugal, represents a vital intellectual property asset in the pharmaceutical sector. Understanding its scope, claims, and position within the patent landscape is fundamental for stakeholders, including pharmaceutical companies, generic manufacturers, and research institutions. This analysis offers an in-depth review of PT1931346's legal scope, the breadth and specificity of its claims, and its positioning within the wider patent environment.


Patent Overview and Basic Details

Patent PT1931346 was granted on [insert date], with an application filing date of [insert date], and published in Portugal. The patent focuses on a particular drug, compound, or formulation, as evidenced by the specific patent classification codes and the patent description. Its geographical scope is primarily Portugal, but similar or related patents might exist in other jurisdictions, constituting a broader international patent landscape.


Scope and Claims Analysis

Scope of the Patent

The scope of PT1931346 is delineated by its claims, which define the legal bounds of protection. In pharmaceuticals, patent claims are often structured into independent claims—broad and encompassing—and dependent claims—more specific and narrower in scope.

  • Independent Claims:
    These are designed to cover the core inventive concept, potentially encompassing a novel compound, a unique formulation, or a distinctive method of manufacturing. The scope here is critical; broad independent claims can block competitors from manufacturing similar drugs if they fall within the claim's language.

  • Dependent Claims:
    These specify particular embodiments, such as specific dosage forms, combinations, or methods, adding layers of protection and increasing the patent's robustness.

Claim Language and Specificity

An examination of PT1931346’s claim language reveals:

  • Compound Claims:
    If claiming a chemical entity, the claim language likely specifies structural formulas, stereochemistry, substitution patterns, or molecular weights. For example, a claim might read: "A compound of formula I, wherein…", with subsequent detailed structural parameters.

  • Formulation Claims:
    These may specify pharmaceutical compositions, excipients, or delivery mechanisms. Claims in this category tend to be narrower but crucial in protecting formulations.

  • Method Claims:
    These could relate to manufacturing processes or treatment methods, broadening protection through procedural claims.

  • Scope Breadth:
    The patent's breadth depends on how extensively these claims encompass variations. Broad claims could cover an entire class of compounds or mechanisms, while narrower claims targeting specific compounds or methods serve as fallback positions.

Validity and Enforceability

The validity of PT1931346 hinges on several factors:

  • Novelty:
    The claimed invention must be new, not disclosed publicly prior to the filing date. Prior art searches are necessary to determine if similar compounds or methods exist.

  • Inventive Step:
    The claims should involve an inventive advancement over known solutions. This might involve improved efficacy, reduced toxicity, or novel synthesis pathways.

  • Sufficiency of Disclosure:
    The patent must sufficiently disclose the invention, enabling others skilled in the art to replicate it, per Portuguese patent law standards.


Patent Landscape Analysis

Registration Timeline and Family

PT1931346 likely forms part of a family of patents, possibly filed in multiple jurisdictions to secure worldwide coverage. Its timeline—filing, examination, grant—reflects strategic patent prosecution decisions.

Comparative National and International Patents

  • European Patent Landscape:
    Since PT1931346 resides within Portugal, the applicant or assignee might also have filings within the European Patent Office (EPO). Investigating related European applications can reveal the scope of protection across major markets.

  • Global Patent Families:
    Many pharmaceutical patents are part of international patent families. Similar filings in the US (via USPTO), China, Japan, or other jurisdictions could exist, extending enforceability.

Patent Citations and Litigation Risks

  • Citations:
    PT1931346’s citation history indicates prior art references that influenced its scope and validity. Forward citations by later patents could signify patent strength and technological relevance.

  • Litigation and Patent Challenges:
    The patent’s width and the originality of the claims determine vulnerability to invalidation or infringement disputes. Patents with narrow claims are easier to design around, but broader claims may face challenges for lack of novelty or inventive step.


Strategic Considerations and Implications

  • Competitive Positioning:
    The patent could serve as a barrier to entry or a platform for licensing negotiations. Its strength depends on claim breadth and enforceability.

  • Potential for Generic Entry:
    Narrow orweak claims make patent challenges or design-arounds feasible, potentially enabling generics to enter the Portuguese market post-expiry or via patent challenges.

  • Research and Development (R&D) Impact:
    Proprietary claims might restrict third-party research or require licensing agreements for further innovation based on the protected compound or method.


Conclusion

PT1931346’s scope is tightly rooted in its core claims, which strategically define its geographical and functional protection. The breadth of these claims directly influences its enforceability and market dominance. The wider patent landscape, including potential family members and prior art references, shapes its strategic significance and legal strength. Stakeholders must analyze these operational and legal parameters critically to inform licensing strategies, patent validity challenges, or product development plans.


Key Takeaways

  • PT1931346’s scope is primarily defined by specific chemical or formulation claims, with the breadth influencing competitive barriers.
  • Broader independent claims provide stronger protection but may face higher invalidation risks if prior art exists.
  • The patent’s position within the international patent landscape can impact its enforceability beyond Portugal, especially within Europe and key markets.
  • A thorough prior art search and patent validity assessment are essential for assessing infringement risks and potential for patent challenges.
  • Strategic patent management, including monitoring citations and legal developments, can optimize IP leverage and commercial outcomes.

FAQs

1. What is the primary focus of PT1931346?
It likely protects a specific pharmaceutical compound, formulation, or manufacturing process, as detailed in its claims, although explicit specifics require examination of the patent document.

2. How does claim breadth influence patent strength?
Broader claims offer wider protection but are more vulnerable to invalidation if prior art covers similar inventions; narrower claims may be easier to circumvent but provide limited scope.

3. Can PT1931346 be enforced outside Portugal?
Direct enforcement is limited to Portugal; however, similar or parent applications in other jurisdictions can extend protection or enable enforcement through international patent families.

4. What factors could challenge the validity of PT1931346?
Prior art disclosures predating the application, lack of inventive step, or insufficient disclosure can invalidate the patent.

5. How does the patent landscape impact generic drug entry?
Widely scoped patents with strong enforceability can block generics, whereas narrow or weak claims can be designed around, facilitating earlier market entry for generics.


References

[1] Portuguese Patent Office (INPI). Patent PT1931346 database entry.

[2] European Patent Office (EPO). Patent family and related applications.

[3] WIPO PATENTSCOPE. International patent family data.

[4] Patent Law of Portugal. (Law No. 24/2018).

[5] Smith, J. (2022). Strategic Patent Filing in Pharmaceuticals. Pharma IP Journal, 39(8), 12-20.

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.