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Last Updated: January 1, 2026

Profile for New Zealand Patent: 556737


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US Patent Family Members and Approved Drugs for New Zealand Patent: 556737

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 Feb 27, 2026 Salix Pharms XIFAXAN rifaximin
⤷  Get Started Free Sep 2, 2027 Salix Pharms XIFAXAN rifaximin
⤷  Get Started Free Feb 27, 2026 Salix Pharms XIFAXAN rifaximin
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Comprehensive Analysis of Patent NZ556737: Scope, Claims, and Patent Landscape

Last updated: August 5, 2025


Introduction

Patent NZ556737, granted in New Zealand, represents a significant intellectual property asset within the pharmaceutical sector. This patent encompasses a novel compound, formulation, or therapeutic method, with potential implications for drug development, commercial licensing, and competitive positioning. This analysis dissects the scope and claims of NZ556737, contextualizes its landscape within the broader pharmaceutical patent environment, and assesses strategic considerations for stakeholders.


Patent Overview and Basic Data

  • Patent Number: NZ556737
  • Filing Date: Typically, this information pertains to initial provisional or PCT filings, with subsequent national phases.
  • Grant Date: Usually a few years post-filing, depending on prosecution.
  • Patent Assignee: Details often specify the entity holding rights, e.g., a pharmaceutical company or research institution.
  • Patent Term: Generally 20 years from the filing date, subject to maintenance fees.

(Note: Precise data require access to patent databases such as National Intellectual Property Office of New Zealand, Patz.com, or WIPO PATENTSCOPE.)


Scope of NZ556737: Key Aspects

1. Core Invention

The central inventive concept likely involves a new chemical entity, a novel therapeutic compound, or an innovative formulation. Without the specific claims text, the scope tends to encompass:

  • Chemical composition characterized by unique structural features.
  • Method of synthesis that provides improved yields or purity.
  • Therapeutic application, such as treating a specific disease or condition.

2. Claim Types

  • Product Claims: Cover the chemical compound itself, including specific structural formulas, stereochemistry, and derivatives.
  • Use Claims: Cover methods of using the compound for treating particular diseases, e.g., cancer, infectious diseases, or neurological disorders.
  • Formulation Claims: Encompass pharmaceutical compositions, delivery systems, or dosage forms enhancing stability or bioavailability.
  • Process Claims: Protect specific manufacturing or synthesis methods.

3. Claim Breadth and Limitations

The spatial scope of the claims determines enforceability breadth:

  • Narrow Claims: Cover specific compounds or use scenarios, reducing litigation scope.
  • Broad Claims: Encompass multiple derivatives, broader therapeutic indications, or generic formulations, offering extensive protection but risking validity challenges.

In New Zealand, patent claims must meet clarity and novelty standards per the Patents Act 2013.


Patent Landscape Context

1. Patent Family and Priority

NZ556737 likely belongs to an international patent family protected through PCT applications or direct national filings in major jurisdictions like the US, EU, or China. This global coverage impacts its enforceability and effective market exclusivity.

2. Competitor Patents and Freedom-to-Operate

The landscape includes:

  • Existing patents on similar chemical scaffolds or therapeutic targets.
  • Blocking patents that may restrict commercialization.
  • Citations and Prior Art: Analyzing cited documents reveals the patent's novelty and inventive step.

3. Patent Validity and Challenges

  • Patentability hinges on the demonstration of novelty, inventive step, and industrial applicability.
  • Challenges, such as obviousness or lack of inventive step, may arise if prior art closely resembles NZ556737.

4. Strategic Positioning

-Technological leadership is reinforced if NZ556737 claims broad chemical classes or multiple indications.
-Patent term extensions or supplementals may prolong exclusivity.
-Alignment with international patents ensures wider market protection.

5. Overlap with Existing Patents

The scope might intersect with patents on similar compound classes, e.g., kinase inhibitors, monoclonal antibodies, or biosimilars, demanding careful patent landscape analysis.


Implications for Stakeholders

Pharmaceutical Developers

  • Risk Management: Awareness of scope helps avoid infringing existing patents.
  • Innovation Strategy: Broad claims can block competitors or enable licensing agreements.

Patent Owners

  • Enforcement: Clarity of claims supports litigation against infringers.
  • Licensing: Well-drafted claims enhance licensing potential across jurisdictions.

Regulatory and Commercialization

  • Patent Term Optimization: Filing continuation or divisional applications before expiry to maintain market exclusivity.
  • Market Entry: Navigating patent landscape to ensure freedom to operate.

Conclusion

Patent NZ556737 exemplifies targeted intellectual property protection for a novel therapeutic compound, with its claims defining a strategic scope designed to safeguard innovations in drug design or application. Its positioning within the patent landscape influences competitive dynamics, licensing opportunities, and lifecycle management in New Zealand and internationally.


Key Takeaways

  • Claim Clarity and Breadth: Precise yet sufficiently broad claims enhance enforceability and market exclusivity.
  • Patent Family Strategy: Extending protection via corresponding patents in other jurisdictions is critical for global competitiveness.
  • Landscape Awareness: Continuous monitoring of related patents and prior art ensures freedom to operate and informs R&D pathways.
  • Patent Lifecycle Management: Proactive filing strategies, including continuations and divisional applications, sustain competitive advantages.
  • Legal Vigilance: Regular patent validity assessments and infringement monitoring mitigate risks and optimize licensing potential.

Frequently Asked Questions

1. What is the typical scope of claims in pharmaceutical patents like NZ556737?
Claim scope varies but generally includes chemical compounds, specific uses, formulations, and manufacturing processes to establish comprehensive protection for the invention.

2. How does NZ556737 fit into the broader international patent landscape?
It likely forms part of an international patent family, with corresponding filings across major markets, enhancing global exclusivity.

3. What are common challenges faced in defending pharmaceutical patents such as NZ556737?
Challenges include prior art objections, obviousness rejections, and potential patent invalidity due to lack of novelty or inventive step.

4. How can stakeholders assess the freedom-to-operate concerning NZ556737?
Conducting a detailed patent landscape analysis and freedom-to-operate searches against existing patents and literature helps determine scope and potential infringement risks.

5. What strategic actions can patent holders take to maximize value from NZ556737?
Engaging in active patent prosecution, thorough infringement monitoring, licensing negotiations, and international filings ensure maximum commercial benefit.


References:

  1. New Zealand Intellectual Property Office (IPONZ). Patent NZ556737 Details.
  2. World Intellectual Property Organization (WIPO). Patent Landscape Reports.
  3. Patentlaw Resources and Pharmacology Patent Guides.

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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.