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Last Updated: December 12, 2025

Profile for Croatia Patent: P20161502


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US Patent Family Members and Approved Drugs for Croatia Patent: P20161502

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
8,148,374 Sep 3, 2029 Bristol EVOTAZ atazanavir sulfate; cobicistat
8,148,374 Sep 3, 2029 Janssen Prods PREZCOBIX cobicistat; darunavir ethanolate
8,148,374 Sep 3, 2029 Janssen Prods SYMTUZA cobicistat; darunavir; emtricitabine; tenofovir alafenamide fumarate
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Croatia Drug Patent HRP20161502: Scope, Claims, and Patent Landscape Analysis

Last updated: July 28, 2025


Introduction

Patent HRP20161502, granted in Croatia, pertains to a specific pharmaceutical compound or formulation. Understanding its scope, claims, and the broader patent landscape informs stakeholders—including pharmaceutical companies, legal entities, and investors—regarding its enforceability, potential overlaps, and innovation scope. This analysis aims to delineate these aspects with clarity, emphasizing patent strengths, potential risks, and strategic opportunities within Croatia’s IP framework and internationally.


Patent Overview: HRP20161502

Patent Number & Filing Details
Patent HRP20161502 was filed with the Croatian Intellectual Property Office (Hrvatski Zavod za Intelektualno Vlasništvo) in 2016, granting protection shortly thereafter. This patent likely relates to a novel small-molecule drug, a pharmaceutical composition, or a specific delivery method, as is customary in medicinal patents.

Localization & Jurisdiction
As a Croatian patent, HRP20161502 primarily provides enforcement within Croatia, which is a member of the European Patent Organisation. While Croatia is not an EPC member, it often aligns patent standards with European practices for pharmaceutical patents, ensuing a robust framework for drug patent protection.


Scope and Claims Analysis

Scope of the Patent
The scope of HRP20161502 hinges upon its independent claims, which define the broadest rights, and dependent claims, which specify particular embodiments or modifications. A focused analysis indicates:

  • Core Innovation: The patent likely claims a specific chemical entity or a pharmaceutical composition comprising the chemical entity. It may also encompass certain pharmaceutically acceptable salts, esters, or derivatives.
  • Delivery or Formulation: Claims could extend to specific delivery mechanisms, such as controlled-release formulations, or stability-enhancing excipients.
  • Use Claims: May specify therapeutic indications or methods of use, aligning with modern patent strategies to extend patent life and scope.

Claims Specifics
Although the full text is not provided here, typical pharmaceutical patents include:

  • Compound Claims: Covering the chemical structure itself, often with Markush groups to include derivatives.
  • Composition Claims: Encompassing active ingredient combined with excipients.
  • Method Claims: Methods of manufacturing or administering the drug.
  • Use Claims: Novel therapeutic indications or application methods.

Claim Strengths & Limitations

  • Strength: Precise chemical or formulation claims attributable to the innovative aspects of the drug.
  • Limitations: The scope may be circumvented by minor structural modifications, or if prior art references exist that antagonize the novelty or inventive step.

Patent Landscape in Croatia and International Context

Croatian Patent Environment
Croatia’s national patent law aligns partly with EU standards, with a patent term of 20 years from the filing date. The patent office rigorously examines novelty, inventive step, and industrial applicability, especially for pharmaceuticals, often requiring supplementary data or validation.

European Patent System
While HRP20161502 confers national rights, pharmaceutical applicants often seek European patents for wider protection. Comparing Croatian claims with EU or EPC standards helps identify potential for extension or opposition.

Global Patent Landscape
Potential overlapping patents could exist in the US, EU, or other jurisdictions. Similar compounds or formulations registered elsewhere may influence freedom-to-operate (FTO) analyses. For example, if European or US patents encompass a similar compound, Croatian patent rights might be challenged, especially if the Croatian patent is viewed as a national subset of wider rights.

Prior Art & Patent Overlaps
Patent searches reveal prior art references—such as published scientific articles or earlier patents—related to the claimed compounds or formulations. For instance, if a prior patent covers a structurally similar compound, HRP20161502’s inventive step could be contested.


Legal Status and Market Implications

Patent Validity & Enforcement
The validity of HRP20161502 depends on ongoing legal challenges, opposition proceedings, or potential invalidity claims. The enforceability ensures exclusivity, allowing the patent holder to prevent generic entrants or infringing activities in Croatia.

Market Exclusivity & Commercial Strategy
With a patent in force, the holder benefits from a period of market exclusivity, critical for recouping R&D investments. Expiry timelines—typically 20 years from filing—are essential for strategic planning.


Strategic Considerations for Stakeholders

  • For Patent Holders:
    To solidify patent strength via supplementary data, consider extending claims through national or international applications, and monitor potential competing filings for similar compounds.

  • For Generic Entrants:
    Assess claims' scope to evaluate potential pathways for efficient design-around strategies, especially if structure or use claims are narrow.

  • For Investors & Licensees:
    Evaluate enforceability and potential infringement risks within Croatia and abroad, considering patent status, landscape, and legal history.


Key Takeaways

  • HRP20161502 likely covers a specific pharmaceutical compound or formulation, with claims focused on chemical structures, compositions, and possibly therapeutic uses.
  • The scope's strength depends on claim drafting, potential prior art, and the patent’s ability to withstand legal challenges within Croatia and beyond.
  • Though Croatia's national patent provides regional protection, widespread market advantage often requires European or global patent coverage.
  • Patent landscape analysis highlights the importance of vigilance regarding prior art and similar patents, which may impact enforceability or licensing strategies.
  • Strategic management of patent prosecution, litigation, and licensing hinges upon ongoing legal developments and market dynamics.

FAQs

1. How does Croatia’s patent law influence pharmaceutical patent protection?
Croatia’s patent law provides 20-year protection from the filing date, with rigorous examination for novelty, inventive step, and industrial application. It aligns with European standards, fostering strong patent rights for pharmaceuticals.

2. Can HRP20161502 be enforced outside Croatia?
No. As a Croatian national patent, enforcement is limited to Croatia. Broader protection requires filing and obtaining patents in other jurisdictions or through international routes like the European Patent Office.

3. What are common challenges to pharmaceutical patents like HRP20161502?
Prior art, obvious modifications, or lack of inventive step are typical grounds for opposition or invalidity. Patent holders should monitor scientific publications and prior patents for potential conflicts.

4. How do claims impact the commercial value of the patent?
Claims define the patent’s scope. Broader claims offer stronger protection but are harder to obtain and defend. Narrow claims may be easier to enforce but provide limited coverage against competitors.

5. What strategic steps should patent owners take regarding the patent landscape?
Owners should conduct comprehensive patent searches, monitor competitors’ filings, consider international patent applications, and prepare for enforcement or opposition proceedings as necessary.


References

  1. Croatian Intellectual Property Office (Hrvatski Zavod za Intelektualno Vlasništvo), Patent Register.
  2. European Patent Office, Guidelines for Examination.
  3. World Intellectual Property Organization, Patent Landscape Reports.
  4. Legal analyses of Croatian patent law pertaining to pharmaceuticals.
  5. Industry reports on pharmaceutical patent strategies in Europe.

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