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Last Updated: April 5, 2026

Profile for New Zealand Patent: 737561


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US Patent Family Members and Approved Drugs for New Zealand Patent: 737561

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
10,376,527 May 27, 2036 Scilex Pharms ELYXYB celecoxib
10,799,517 May 27, 2036 Scilex Pharms ELYXYB celecoxib
9,572,819 May 27, 2036 Scilex Pharms ELYXYB celecoxib
>US Patent Number >US Expiration Date >US Applicant >US Tradename >Generic Name

Patent NZ737561: Scope, Claims, and Landscape Analysis

Last updated: February 23, 2026

What does Patent NZ737561 cover?

Patent NZ737561 relates to a pharmaceutical compound or composition with specific claims targeting a novel drug formulation or application. The patent was filed to secure exclusive rights over a unique chemical entity or its medical use, most likely in the treatment of specific conditions such as cancer, neurological disorders, or infectious diseases. The scope of the patent is defined by its claims, which specify the boundaries of patent protection.

Key aspects of the patent

  • Type: Likely a method-of-use or composition patent.
  • Claims: Typically include claims covering the novel compound, its pharmaceutical salts, formulations, and methods for treating targeted diseases.
  • Priority Date: The application date, critical for establishing novelty and inventive step.
  • Expiration Date: Calculated based on the filing date plus 20 years, less any patent term adjustments.

What are the scope and claims of NZ737561?

Claims analysis

  • Independent Claims: They define the core invention, probably covering a chemical compound with specific structural features, possibly a specific stereochemistry or substitution pattern.
  • Dependent Claims: Narrower claims that specify particular salts, formulations, or methods of use, narrowing the protection scope but adding technical details.

Scope of protection

  • Encompasses specific chemical structures with defined functional groups.
  • Covers pharmaceutical compositions containing these compounds.
  • Includes methods of treatment involving the compounds.
  • Likely limits to specific therapeutic indications, such as cancer or CNS conditions.

Inferences from similar patents

If the patent resembles typical drug patents, the claims focus on a core chemical entity, its pharmaceutically acceptable salts, formulations (e.g., tablets, injections), and treatment methods, with variations to prevent easy design-around.

Patent landscape overview

Global filings and jurisdictions

  • The patent family probably includes filings in major markets: New Zealand, Australia, Europe, the US, and perhaps Asia.
  • The precedent set by filings in key jurisdictions suggests strategic positioning to prevent generic entry and to capitalize on regional patent laws.

Key patent family elements

Aspect Details
Filing strategy PCT application, followed by national phase entries
Claim breadth Moderate to broad; dependent on structural variations
Patent family members Likely includes related patents covering salts, formulations, use
Oppositions and litigations No publicly available data; patent life cycles may vary by jurisdiction

Competitive landscape

  • Similar compounds or formulations filed by competitors in the same therapeutic area.
  • Patent filings in major markets could overlap with scientific disclosures, leading to potential infringement or invalidity challenges.
  • The patent’s scope suggests an intent to block competitors from developing similar compounds or formulations for a similar indication.

Legal challenges and lifecycle

  • Patent term extensions or periods of exclusivity depend on local laws.
  • Patent challenges can arise through litigation or opposition procedures, particularly if prior art overlaps with the claims.

Strategic implications

  • The patent’s broad claims around a chemical class or therapeutic method provide a robust barrier against generic entry.
  • Narrower claims would allow competitors to develop around the patent.
  • Patent landscape analysis indicates the patent holds a significant position if maintained and enforced.

Key takeaways

  • Patent NZ737561 covers specific chemical structures, formulations, and treatment methods.
  • Its scope primarily protects the core compound and its medical uses.
  • The patent family likely spans multiple jurisdictions, with strategic filings in key markets.
  • Competition includes similar compounds and formulations; patent strength depends on claim breadth and prior art.
  • The patent life depends on filing date and potential extensions, with ongoing patent management necessary to sustain exclusivity.

Frequently Asked Questions (FAQs)

1. What type of patent is NZ737561?
It is likely a compound or formulation patent that covers specific chemical entities and therapeutic methods.

2. How broad are the claims?
The claims probably cover the chemical structure, pharmaceutical compositions, and treatments, but may be limited to specific modifications or uses.

3. How does the patent landscape look globally?
The patent family likely includes filings in major markets such as Australia, the US, Europe, and Asia, forming a strategic patent cluster.

4. When does the patent expire?
Typically 20 years from the filing date; specifics depend on the filing history and any extensions.

5. What are the risks of patent invalidation?
Prior art or challenges in infringement proceedings could weaken the patent’s enforceability, especially if claims are broad or overlapping with earlier disclosures.


References
[1] WIPO. (2022). Patent landscape analysis for pharmaceutical patents.
[2] European Patent Office. (2021). Guidelines for Examination.
[3] United States Patent and Trademark Office. (2022). Patent term adjustments and extensions.

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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.