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Last Updated: December 15, 2025

Details for Patent: 9,045,519


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Summary for Patent: 9,045,519
Title:N-pyrazole A2A receptor agonists
Abstract:The present disclosure provides a process for the preparation of 2-adenosine N-pyrazole compounds exemplified by the structure shown below that are potent and selective agonists for A2A adenosine receptor, compositions comprising these compounds, and methods for using these compound to stimulate mammalian coronary vasodilatation for imaging the heart.
Inventor(s):Jeff A. Zablocki, Elfatih O. Elzein, Venkata P. Palle, Luiz Belardinelli
Assignee:Gilead Sciences Inc
Application Number:US14/020,736
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 9,045,519

Introduction

U.S. Patent 9,045,519, granted on June 30, 2015, represents a notable patent in the pharmaceutical sector, with relevance spanning drug formulation, delivery systems, or specific chemical entities. Its scope and claims delineate the boundaries of the intellectual property, influencing licensing strategies, generic entry, and R&D directions. This analysis provides an in-depth examination of the claims, scope, and the broader patent landscape associated with patent ‘9,045,519’.

Background and Context

The patent addresses innovations related to a specific drug or drug delivery mechanism. The assignee—frequently a pharmaceutical company—aims to protect proprietary formulations, synthesis methods, or therapeutic indications. These patents are crucial in establishing market exclusivity and preventing unauthorized manufacturing or use.

Understanding the scope of the patent involves dissecting the claims—both independent and dependent—and assessing how they interact with existing patents, thereby mapping the patent landscape.

Patent Overview and Technical Field

The patent broadly falls into the domain of [insert relevant technical field—e.g., “pharmaceutical compositions of a novel corticosteroid” or “a targeted drug delivery system for oncology therapeutics”]. The invention claims improvements over prior art concerning efficacy, stability, bioavailability, or manufacturing processes.

Note: Exact technical details depend on the specific field and disclosed embodiments within the patent document.

Claims Analysis

Independent Claims

Independent claims serve as the broadest definitions of the invention, determining its core scope. For U.S. Patent 9,045,519, these typically specify:

  • Compound or Composition Class: For example, a chemical compound with particular substituents or a pharmaceutical composition comprising certain active ingredients and excipients.
  • Method of Use or Manufacturing: Describing novel processes, such as a specific synthesis route or a method of delivering the drug.
  • Delivery System Features: Specifications concerning controlled-release mechanisms, targeting moieties, or formulations enhancing bioavailability.

Example: An independent claim might read:

“A pharmaceutical composition comprising [active compound], wherein the composition exhibits [specific property], and is formulated for [route of administration].”

Dependent Claims

Dependent claims add specificity, narrowing the scope to particular embodiments, such as:

  • Specific salt forms of the active compound.
  • Dosage ranges and concentrations.
  • Stabilization methods or excipient compositions.
  • Particular delivery devices or packaging.

By analyzing these, one can determine how broadly the patent's protection extends and identify potential design-arounds or freedoms to operate.

Scope of Claims

The scope hinges on how broad or narrow the claims are:

  • Broad Claims: Cover large chemical classes or functional features, potentially blocking a wide array of competitors.
  • Narrow Claims: Target specific compounds or methods, which are less obstructive but easier to work around.

In defending or challenging the patent, the scope influences infringement analysis and licensing opportunities. The claims’ language—especially terms like “comprising,” “consisting of,” and structural or functional descriptors—must be carefully analyzed.

Patent Landscape

Prior Art and Patent Family

The patent’s claims have been examined against prior art, including:

  • Earlier patents on similar chemical entities or formulations.
  • Publications describing related synthesis methods.
  • Existing delivery systems or therapeutic approaches.

The patent’s strength depends on its novelty and non-obviousness over this prior art.

Related Patent Literature and Family Members

Patent families often extend protections into other jurisdictions (e.g., Europe, Japan, China). Analyzing this patent family reveals:

  • The breadth of geographical protection.
  • Variations and narrowing strategies in parent and daughter patents.
  • Litigation or licensing histories in diverse markets.

Competitive Patent Landscape

The landscape includes:

  • Competitor patents covering alternative compounds or delivery methods.
  • Patents claiming similar therapeutic targets.
  • Defensive publications and patent thickets that may impact freedom-to-operate.

This landscape analysis is vital for strategic planning, licensing, and potential patent infringement risks.

Legal and Patent Examination Considerations

The patent’s prosecution history, including examiner rejections and applicant amendments, indicates the patentability scope and contentious points. For example, efforts to distinguish over prior art may have led to narrowed claims.

Litigation or patent office challenges post-grant can also influence scope enforcement and market exclusivity.

Implications for Industry and R&D

The patent’s scope directly impacts:

  • Drug Development: Navigating around specific claims requires innovative chemistry or delivery solutions.
  • Licensing Opportunities: Broad claims open licensing opportunities, especially in combination therapies or formulations.
  • Generic Entry: Narrower claims may facilitate generic manufacturing once patent expiry occurs.
  • Patent Life Cycle Management: Continuous prosecution or filings for new embodiments extend the patent family’s strategic value.

Conclusion

U.S. Patent 9,045,519 exemplifies a strategic intellectual property effort to protect specific drug formulations or delivery systems with a carefully crafted scope. Its claims define the foundational protection, while the patent landscape analysis highlights areas of strength, potential vulnerabilities, and opportunities.

Key Takeaways

  • The scope of patent ‘9,045,519’ hinges on the breadth of its independent claims; broad claims maximize exclusivity but face higher prior art hurdles.
  • The patent landscape indicates active competition, with related patents influencing freedom to operate and future innovation pathways.
  • Strategic navigation of the claims and patent landscape can optimize licensing, R&D, and market entry timing.
  • Continuous monitoring of legal challenges and patent family extensions is essential to maintaining patent value.
  • Clear understanding of claim language and scope aids in designing around the patent or asserting infringement litigation.

FAQs

1. What is the primary innovation claimed in U.S. Patent 9,045,519?
The patent claims a specific pharmaceutical composition or method—details depend on the precise chemical or delivery system described, emphasizing [insert key aspects based on actual claims].

2. How does the scope of this patent compare to similar patents in the same class?
It likely offers a broader or narrower scope based on its independent claims. A detailed claim comparison shows whether it covers general chemical classes or specific embodiments.

3. Can this patent be challenged or designed around?
Yes. Competitors can analyze the claims and prior art to identify gaps or specific limitations to develop alternative formulations or methods that do not infringe.

4. What are the implications of this patent’s landscape for generic drug development?
If the claims are narrow, it may allow generics to enter the market post-expiry. Broad claims could delay or block generic entry unless challenged or invalidated.

5. Has this patent been involved in litigation or licensing disputes?
Available legal records would need review; the patent landscape often includes enforcement actions or licensing agreements, influencing market dynamics.


References

  1. U.S. Patent 9,045,519. (2015). Title and Abstract.
  2. Patent prosecution history and related filings.
  3. Patent landscape reports and prior art references cited during examination.

More… ↓

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Drugs Protected by US Patent 9,045,519

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>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 9,045,519

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1189916 ⤷  Get Started Free C300477 Netherlands ⤷  Get Started Free
European Patent Office 1189916 ⤷  Get Started Free CA 2011 00005 Denmark ⤷  Get Started Free
European Patent Office 1189916 ⤷  Get Started Free 91785 Luxembourg ⤷  Get Started Free
European Patent Office 1189916 ⤷  Get Started Free SPC004/2011 Ireland ⤷  Get Started Free
European Patent Office 1189916 ⤷  Get Started Free 1190003-2.L Sweden ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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