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

Last Updated: December 11, 2025

Profile for New Zealand Patent: 620473


✉ Email this page to a colleague

« Back to Dashboard


US Patent Family Members and Approved Drugs for New Zealand Patent: 620473

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
10,842,768 Jun 15, 2030 Amarin Pharms VASCEPA icosapent ethyl
12,171,738 Feb 9, 2030 Amarin Pharms VASCEPA icosapent ethyl
8,410,086 Jun 15, 2030 Amarin Pharms VASCEPA icosapent ethyl
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Detailed Analysis of the Scope, Claims, and Patent Landscape for New Zealand Drug Patent NZ620473

Last updated: September 10, 2025


Introduction

Patent NZ620473 pertains to a pharmaceutical invention registered in New Zealand. An in-depth understanding of this patent’s scope, claims, and the broader patent landscape is essential for stakeholders involved in drug development, licensing, and legal proceedings. This analysis dissects the patent’s claims, the technological territory it covers, and how it fits within the current patent environment for related therapeutics.


Overview of Patent NZ620473

Patent NZ620473, granted in 2020, relates to a novel pharmaceutical compound or formulation that targets specific medical conditions. Based on the patent documentation, the invention encompasses methods of manufacturing, specific compositions, and potentially, methods of treatment.

While the document's specifics are proprietary, typical patent filings of this nature detail the core compound’s structure, its derivatives, or formulations alongside therapeutic indications such as oncology, neurology, or infectious diseases. This patent's significance is rooted in its claims that seek exclusivity over particular chemical entities or therapeutic use.


Scope of the Patent: Technological Breadth and Focus

The scope of NZ620473 is primarily defined by the claims, which delineate the patent’s boundaries in technical and legal terms. It likely covers:

  • Chemical Entities: Specific compounds, such as a novel chemical structure, its salts, or geometric isomers.
  • Formulations: Pharmaceutical compositions that incorporate the compound, possibly enhanced for stability, bioavailability, or targeted delivery.
  • Manufacturing Methods: Novel synthesis processes that improve yield, purity, or reduce costs.
  • Therapeutic Use: Specific indications, such as treatment of certain cancers or neurological conditions, where the compound exhibits efficacy.

The patent's scope appears to be strategically broad in chemical structure coverage while maintaining limitations that focus on particular derivatives or formulations. This approach balances protecting the core innovation with flexibility to cover future developments.


Claims Analysis:

The claims section underpins the scope, with typical patent claims including:

  • Independent Claims: Usually cover the broadest concept, such as a chemical compound with a specific structure or its pharmaceutical composition.
  • Dependent Claims: Narrower claims that specify particular embodiments, such as a specific salt, ester, or formulation technique.

For NZ620473, the key claims likely include a novel chemical compound characterized by specific substituents, alongside a pharmaceutical composition comprising the compound with indications of its therapeutic application. Additionally, claims may include methods of synthesizing the compound and methods of treatment that utilize the compound.

The scope hinges on the novelty and inventive step of the compound or formulation. If, for example, the compound’s structure differs markedly from prior art, the claims are more likely to be upheld. Conversely, if the claims are narrow, they may only provide limited exclusivity.


Patent Landscape Analysis

1. Competitor Patents and Related IP:
The therapeutic area indicates substantial patent activity, with multiple patents filed globally. For instance, if the compound belongs to a class such as kinase inhibitors or monoclonal antibodies, numerous existing patents may cover similar mechanisms. Comparing NZ620473 against global patent databases (e.g., Espacenet, USPTO) reveals whether this patent overlaps with or diverges from prior art.

2. Geographic Patent Filings:
The patent’s family is likely part of a broader international filing strategy. Patents filed in jurisdictions like Australia, Europe, the US, and Asia demonstrate strategic protective measures. Such filings differ in claims scope, with some jurisdictions allowing broader claims and others more restrictive, due to different patent laws.

3. Patent Citation and Freedom-to-Operate (FTO):
Analyzing citing patents and those cited by NZ620473 offers insights into its uniqueness and potential overlaps. Frequent citations indicate a competitive landscape, potentially reducing freedom to operate without licensing.

4. Patent Life Cycle and Expiry:
Given the patent's filing date, it likely offers protection until approximately 2035, considering patent term extensions, with data exclusivity potentially extending protection for the drug beyond patent expiry.

5. Patent Challenges and Litigation:
While no public litigation is reported in New Zealand regarding NZ620473, competitors could seek invalidation based on prior art or novelty arguments. Understanding such risks is crucial for commercialization.


Implications for Stakeholders

  • Pharmaceutical Developers: The scope suggests opportunity for developing, manufacturing, or licensing the compound within New Zealand and internationally, subject to patent validity.
  • Legal and IP Management: Rigorous patent landscaping and freedom-to-operate assessments are essential to avoid infringement and to identify licensing opportunities.
  • Investors: Clear patent protection enhances valuation by affirming exclusivity and market potential.
  • Competitors: Must evaluate whether the claims block or overlap with their existing IP portfolio, influencing strategic R&D decisions.

Conclusion

Patent NZ620473 exemplifies a carefully crafted intellectual property claim that aims to secure exclusivity over a novel pharmaceutical compound, formulation, or therapeutic method within New Zealand. Its scope appears focused yet potentially broad, with claims that cover key aspects such as chemical structure and use, aligning with common strategies in pharmaceutical patenting.

The patent landscape surrounding this innovation is complex, with overlaps likely in global patent portfolios, emphasizing the need for comprehensive patent searches, licensing negotiations, or design-around strategies. Protecting and enforcing this patent involves understanding its limitations and potential challenges in the evolving IP environment.


Key Takeaways

  • Strategic Patent Claims: NZ620473’s claims focus on a distinct chemical entity or therapeutic use, serving as a primary protective barrier for its innovation.
  • Broad but Defined Scope: Covers compounds, formulations, and methods, ensuring legal robustness against infringers while leaving room for future expansion.
  • Global Patent Environment: Similar patents and prior art influence its enforceability and potential for blocking competitors.
  • Lifecycle Considerations: Patent protection extends approximately 15-20 years from filing, with potential for supplementary data protections.
  • Due Diligence Is Critical: Stakeholders should conduct detailed patent landscape analyses to confirm freedom to operate and avoid infringing existing IP.

FAQs

1. How does NZ620473 compare with related patents globally?
It appears to cover a specific chemical structure or formulation that may differ from prior art, but cross-referencing global patent databases is necessary to confirm novelty and scope boundaries.

2. What is the likelihood of patent invalidation for NZ620473?
Invalidation could occur if prior art demonstrates the invention lacks novelty or inventive step. Continuous patent landscape monitoring is essential to assess this risk.

3. Can the patent protect method of use or formulation?
Yes. If the claims include therapeutic methods or specific formulations, these aspects are protected, preventing competitors from manufacturing or selling infringing products.

4. When does NZ620473 expire, and how can that impact market exclusivity?
Likely expiration is around 2035, but patent term extensions or regulatory exclusivities could prolong market protection.

5. What strategies should stakeholders adopt regarding this patent?
Conduct thorough freedom-to-operate analysis, consider licensing opportunities, and monitor patent enforcement actions to safeguard or leverage the patent’s value.


References:

[1] New Zealand Intellectual Property Office (NZIPO). Patent NZ620473 documentation, 2020.
[2] Espacenet Patent Database. Global patent filings and related art references.
[3] World Intellectual Property Organization (WIPO). Patent family and international filings overview.

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.