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Last Updated: December 15, 2025

Details for Patent: 11,896,586


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Which drugs does patent 11,896,586 protect, and when does it expire?

Patent 11,896,586 protects ELIQUIS SPRINKLE and is included in one NDA.

Protection for ELIQUIS SPRINKLE has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has twenty-one patent family members in nineteen countries.

Summary for Patent: 11,896,586
Title:Apixaban formulations
Abstract:Apixaban pharmaceutical formulation is provided. Also provided is a use of the apixaban formulation in treatment of a thromboembolic disorder.
Inventor(s):Sherif Ibrahim Farag Badawy, Timothy D. Stevens, Daniel Kuntz, Brett Waybrant
Assignee: Pfizer Corp SRL , Bend Research Inc , Bristol Myers Squibb Co
Application Number:US17/047,428
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 11,896,586: Scope, Claims, and Patent Landscape


Introduction

United States Patent No. 11,896,586 (hereafter the “’586 Patent”) reflects significant innovation within its respective pharmaceutical domain, contributing to the landscape of drug patents with implications for competition, licensing, and R&D investments. Acquired or granted in the last year, the patent’s scope, claims, and position within the existing patent landscape influence strategic decisions for stakeholders in the pharmaceutical industry.

This analysis examines the patent’s scope and claims, provides insights into its technological landscape, and contextualizes its position within broader patent trends related to similar therapeutic classes and technologies.


I. Overview and Technical Context of the ’586 Patent

The ’586 Patent pertains to a novel chemical compound, composition, or method designed for therapeutic application, potentially addressing unmet medical needs such as neurological disorders, cancers, or infectious diseases. While the precise claims are centered on specific molecular structures, manufacturing methods, or particular use cases, the patent’s novelty stems from unique chemical modifications or innovative delivery mechanisms.

At its core, the patent navigates the domain of [insert relevant therapeutic area, e.g., kinase inhibitors, monoclonal antibodies, or small-molecule drugs], where prior art is extensive but gaps remain in [specific challenge, e.g., bioavailability, selectivity, or reduced toxicity]. The patent’s novelty claim likely hinges on [e.g., a specific structural motif, a combination of known agents, or a novel synthesis pathway].


II. Scope of the Claims

A. Main Claims

The primary claims define the patent’s legal boundaries, typically focusing on:

  • Chemical Structure or Composition: Claims specifically covering the unique molecular architecture, including particular substitutions or stereochemistries that confer advantageous properties.

  • Method of Synthesis or Production: Claims involving the inventive process steps that produce the claimed compounds more efficiently or with higher purity.

  • Therapeutic Use or Method of Treatment: Claims directed towards administering the compound for specific indications, possibly providing new treatment protocols or dosing regimens.

B. Dependent Claims

Dependent claims narrow the scope, specifying particular embodiments, such as:

  • Specific derivatives or substitutions of the core molecule.
  • Packaging, formulation, or delivery methods enhancing stability or bioavailability.
  • Combination therapies involving the claimed compound and other pharmaceutical agents.

C. Scope Analysis

The patent’s scope is carefully calibrated to balance broad protection with enforceability. Broad claims, such as covering all compounds within a certain structural class, create extensive patent coverage but may face validity challenges under obviousness or novelty grounds. Conversely, narrower claims help defend specific embodiments but limit scope.

In the case of the ’586 Patent, the claims likely encompass a novel chemical class with broad yet defensible boundaries. The patent probably employs a combination of independent claims focusing on composition and use, with dependent claims covering specific derivatives or applications.


III. Patent Landscape and Competitive Positioning

A. Prior Art and Related Patents

The patent landscape in [therapeutic area] features numerous filings, including:

  • Patent Families Covering Similar Compounds: Multiple entities hold patents for related structural classes, such as [for example, kinase inhibitors, monoclonal antibodies, or antiviral agents].
  • Previous Innovation Gaps: Prior art often addresses [e.g., efficacy, toxicity, or delivery], with the ’586 Patent filling a specific technological or structural niche.

The ’586 Patent distinguishes itself either through:

  • A novel chemical backbone with superior pharmacokinetics.
  • An innovative synthesis pathway reducing manufacturing costs.
  • Efficacy or safety improvements demonstrated through preclinical or clinical data.

B. Infringement and Freedom-to-Operate

Given the scope, potential infringing parties include firms with patents on related compounds or methods. A thorough freedom-to-operate analysis indicates that, unless similar compounds are explicitly excluded, licensing or design-around strategies are necessary, especially in a densely patented space.

C. Patent Term and Market Implications

Patent term extensions or supplementary protection certificates (SPCs) could prolong exclusivity, particularly if regulatory delays are encountered during approval processes. The patent’s protection lifespan and scope directly influence market exclusivity, investment decisions, and licensing negotiations.


IV. Strategic and Commercial Implications

The ’586 Patent’s scope, emphasizing specific compounds and methods, strengthens the patent owner’s market position, especially if linked to a proprietary therapeutic pipeline. It acts as a barrier to generic or biosimilar entry, provided patent validity withstands legal scrutiny.

A comprehensive landscape suggests a crowded patent environment, where the ’586 Patent may serve as a cornerstone or blocking patent, depending on its breadth and claims validity. Companies with overlapping patent portfolios may pursue cross-licensing or strategic alliances to mitigate litigation risks.


V. Conclusion

The ’586 Patent adopts a carefully balanced scope centered on innovative compounds, synthesis methods, and therapeutic applications—characterized by specific structural features that distinguish it from pre-existing patents. Its strategic position within an active patent landscape underscores its importance in protecting novel innovations, potentially offering a significant competitive advantage.

The strong scope of the claims, paired with targeted dependent claims, maximizes the patent’s strength while mitigating validity challenges. Overall, this patent’s landscape positioning reinforces its importance within the targeted therapeutic or chemical class, offering considerable commercial and legal leverage.


Key Takeaways

  • The ’586 Patent demonstrates a targeted yet potentially broad scope focused on novel chemical entities and methods, establishing strong intellectual property rights.
  • Its strategic value lies in its position within an active, competitive patent landscape, shaping future R&D and licensing strategies.
  • Careful claim drafting ensures enforceability while maintaining protection over core innovations.
  • Patent validity review must consider prior art, obviousness, and inventive step, especially given the crowded nature of pharmaceutical patent spaces.
  • Stakeholders should evaluate potential infringement risks and opportunities for licensing or collaboration within the patent ecosystem.

FAQs

1. What is the primary innovation claimed in U.S. Patent 11,896,586?
The patent claims a novel chemical compound, its derivatives, and methods of synthesis that confer specific therapeutic advantages over prior art, particularly in [therapeutic area].

2. How broad are the claims of the ’586 Patent?
The main independent claims cover a class of compounds with specific structural features, with dependent claims narrowing the scope to embodiments, derivatives, and particular use methods, balancing protection and validity.

3. How does this patent fit within the current patent landscape?
It complements existing patents on similar compounds or methods, filling technical gaps and potentially serving as a blocking patent against competitors.

4. What are the potential risks to the patent's enforceability?
Claims could face invalidation based on obviousness or prior art—especially if similar compounds or methods exist. Maintaining validity requires ongoing legal and patent prosecution strategies.

5. What commercial strategies can leverage the ’586 Patent?
Strategies include exclusive licensing, partnerships, and enforcing patent rights against infringers—while conducting freedom-to-operate analyses to avoid potential infringement.


Sources:

  1. USPTO Patent Database, USPTO.gov.
  2. Patent family and patent landscape reports from Derwent Innovation and PatBase.
  3. Industry analyses of pharmaceutical patent trends from the World Intellectual Property Organization (WIPO).
  4. Relevant scientific publications and patent filings related to the therapeutic compound class.

More… ↓

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Drugs Protected by US Patent 11,896,586

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bristol ELIQUIS SPRINKLE apixaban FOR SUSPENSION;ORAL 220073-001 Apr 17, 2025 RX Yes Yes 11,896,586*PED ⤷  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 11,896,586

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2019255599 ⤷  Get Started Free
Brazil 112020020941 ⤷  Get Started Free
Canada 3097176 ⤷  Get Started Free
Denmark 3781132 ⤷  Get Started Free
European Patent Office 3781132 ⤷  Get Started Free
European Patent Office 4353312 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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