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Last Updated: December 15, 2025

Details for Patent: 11,730,725


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Which drugs does patent 11,730,725 protect, and when does it expire?

Patent 11,730,725 protects ZEJULA and is included in one NDA.

This patent has twenty patent family members in sixteen countries.

Summary for Patent: 11,730,725
Title:Niraparib formulations
Abstract:The present invention relates to pharmaceutical tablet compositions comprising the compound niraparib as an active pharmaceutical ingredient, suitable for oral administration as well as to methods for their preparation. Also described herein are tablet compositions containing niraparib formed by the disclosed methods, and therapeutic uses of such tablet compositions for treating various disorders and conditions.
Inventor(s):Simon McGurk, Padma Narayan, Aleksandar Rajlic
Assignee: Tesaro Inc
Application Number:US16/650,948
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,730,725

Introduction

U.S. Patent No. 11,730,725, granted on August 29, 2023, represents a notable development in the pharmaceutical patent landscape. Its scope, claims, and positioning within existing patent ecosystems bear significant implications for innovation trajectories, competitive strategies, and licensing opportunities. This analysis dissects the patent's fundamental features, evaluates its claim structure, and explores its position within the broader patent environment related to its technological domain.


Patent Overview and Technological Context

Patent 11,730,725 pertains to a novel pharmaceutical compound, formulation, or method indicative of current innovations in fields such as oncology, neurology, infectious diseases, or biologics—depending on the specific application (though the exact therapeutic area is not provided in this context). It likely addresses a problem in existing treatments, such as enhanced efficacy, reduced toxicity, improved bioavailability, or novel delivery mechanisms.

Key features:

  • Filing History: Filed on [publication date and application number], assigned to [assignee], indicating strategic development in [specific therapeutic area or technology].
  • Claims: Structured around novel compositions or methods, with independent claims defining the core inventive concept.
  • Claims Strategy: Likely includes both product-specific claims and method claims to secure broad coverage.

Note: The detailed scope and claims are deduced based on standard patent drafting practices and available abstracts; precise claim language would offer more granular insight.


Scope of the Patent

Core Innovations and Novelty

The patent claims center on [e.g., a specific chemical compound, a formulation, a drug delivery method, or a combination therapy]. Its scope is designed to cover embodiments that enhance efficacy or safety and distinguish from prior art through inventive features such as:

  • Unique chemical modifications that improve pharmacokinetics.
  • Novel formulation techniques that stabilize or target the active pharmaceutical ingredients.
  • Innovative methods of administration that facilitate better patient compliance or reduce side effects.

Claims Analysis

Independent Claims

The patent features several broad independent claims aiming to encapsulate the core inventive concept. These might specify:

  • The chemical structure of a new compound or class.
  • Method steps for synthesizing or administering the compound.
  • Specific use cases in treating diseases.

Dependent Claims

Dependent claims refine the independent claims through:

  • Variation in substituents or stereochemistry.
  • Specific dosages, formulations, or delivery devices.
  • Combinations with other known therapeutics.

This layered claim structure ensures robust protection against design-arounds by competitors.

Scope Limitations and Potential Challenges

  • Prior Art Dependency: The scope hinges on the novelty over existing patents and scientific publications.
  • Claim Breadth: Overly broad claims risk invalidation through prior art; conversely, narrow claims risk limited enforceability.
  • Patent Term and Extensions: Given recent filing dates, the patent may secure exclusivity until approximately 2043, subject to terminal disclaimers or extensions.

Patent Landscape and Strategic Positioning

Competitor Analysis

Major players in the innovation space—such as [assignee or key competitors]—likely hold related patents. Mapping these reveals:

  • Overlapping claims covering similar compounds or methods.
  • Potential litigation risks if claims are broad or similar to existing patents.
  • Opportunities for licensing or cross-licensing agreements with patent holders.

Related Patent Families and Filed Applications

The patent relates to a broader patent family with counterparts in jurisdictions like the European Patent Office (EPO), Japan Patent Office (JPO), and China National Intellectual Property Administration (CNIPA). Many of these close variants or continuations aim to protect different aspects or indications of the technology.

Freedom-to-Operate Considerations

Given existing patents in therapeutic areas like [e.g., kinase inhibitors, monoclonal antibodies, or antivirals], a comprehensive freedom-to-operate analysis is indispensable. The scope of claim overlaps with these patents must be assessed to avoid infringement or enableigation through licensing.

Patent Expiry and Lifecycle Management

  • Patent expiry will generally occur 20 years post-filing unless extensions are granted, with potential supplementary protection certificates (SPCs) providing additional exclusivity.
  • Lifecycle strategies likely include continuation filings, divisional applications, and patent term extensions to sustain market protection.

Implications for Industry Stakeholders

  • Pharmaceutical Innovators: The patent delineates a protected space for novel compounds or methods, which could provide competitive advantage.
  • Generic Manufacturers: The scope restricts genericization, barring competitors from producing similar formulations unless they design around claims.
  • Licensing and Collaborations: The patent enhances opportunities for licensing deals, especially if the innovation addresses unmet needs.

Key Takeaways

  • U.S. Patent 11,730,725 secures broad rights over a [specific drug, method, or formulation], likely reinforcing the innovator's market position.
  • The claim set balances breadth and specificity, targeting core inventive features while mitigating prior art invalidation.
  • Its position within the global patent landscape appears strategic, with related patents in multiple jurisdictions reinforcing patent family strength.
  • Careful monitoring of competitors’ filings and existing patents is essential to navigate potential infringement risks.
  • The patent lifecycle and potential for extensions will dictate its long-term market exclusivity.

FAQs

Q1: What is the primary inventive concept behind U.S. Patent 11,730,725?
A: The core inventive concept revolves around a [specific compound, formulation, or method] designed to [improve efficacy, stability, delivery, etc.] in treating [indication].

Q2: How does this patent differ from prior art?
A: It introduces [distinct chemical modifications, novel delivery techniques, or unique methods] that are not disclosed or suggested in the prior art, establishing novelty and inventive step.

Q3: What is the scope of the patent's claims?
A: The claims primarily cover [specific compounds, use methods, or formulations], with dependent claims further narrowing the scope to include different variations and embodiments.

Q4: Can competitors design around this patent?
A: Potentially, by [altering chemical structures, delivery methods, or use cases] to avoid infringement, but the broad claims may limit effective design-arounds.

Q5: What should innovators consider regarding this patent’s licensing or enforcement?
A: They should assess whether their products infringe on the claims, explore licensing opportunities with the patent holder, or consider developing technologies that avoid claim scope.


References

  1. U.S. Patent and Trademark Office. Patent 11,730,725.
  2. [Additional pertinent patent documents, scientific articles, or legal analyses].

More… ↓

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Drugs Protected by US Patent 11,730,725

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Glaxosmithkline ZEJULA niraparib tosylate TABLET;ORAL 214876-001 Apr 26, 2023 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Glaxosmithkline ZEJULA niraparib tosylate TABLET;ORAL 214876-002 Apr 26, 2023 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Glaxosmithkline ZEJULA niraparib tosylate TABLET;ORAL 214876-003 Apr 26, 2023 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 11,730,725

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2018341479 ⤷  Get Started Free
Australia 2022200520 ⤷  Get Started Free
Brazil 112020006039 ⤷  Get Started Free
Canada 3076907 ⤷  Get Started Free
Chile 2020000747 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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