You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 19, 2025

Details for Patent: 11,116,721


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 11,116,721 protect, and when does it expire?

Patent 11,116,721 protects BREO ELLIPTA and is included in one NDA.

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

This patent has twenty-five patent family members in thirteen countries.

Summary for Patent: 11,116,721
Title:Pharmaceutical formulations comprising 4-{(1R)-2-[(6-{2-[(2,6-dichlorobenzyl)oxy]ethoxy}hexyl)amino]-1-hydroxyethyl}-2-(hydroxymethyl) phenol
Abstract:Novel pharmaceutical formulations of a beta-2 agonist for inhaled administration via the nose or mouth, and methods of using them are provided.
Inventor(s):Darrell Baker, Mark Bruce, Marian Thomas
Assignee: Glaxo Group Ltd
Application Number:US13/148,982
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,116,721
Patent Claim Types:
see list of patent claims
Use; Formulation; Compound;
Patent landscape, scope, and claims:

Analysis of U.S. Patent 11,116,721: Scope, Claims, and Patent Landscape

Introduction

U.S. Patent No. 11,116,721 (hereafter “the ‘721 patent”) represents a significant innovation in the pharmaceutical space, particularly within the domain of [specific drug/class/technology, if known]. The patent’s scope—as defined by its claims—dictates its territorial—and potentially global—protection for the underlying invention. A comprehensive understanding of its claims and the broader patent landscape informs stakeholders about its enforceability, freedom-to-operate, and potential for licensing or litigation strategies.

Scope of the ‘721 Patent

The ‘721 patent’s scope primarily hinges on its claims, which delineate the legal boundaries of the invention. It likely encompasses a novel chemical entity, pharmaceutical formulation, method of use, or manufacturing process, given standard patent practice in the drug domain.

Claims Analysis

  • Independent Claims:
    These typically define the broadest scope, establishing the core innovation. For drug patents, they often describe a chemical compound or composition with specific structural features, dosage forms, or therapeutic applications. The language's breadth determines the extent of protection; narrower claims focus on particular molecules or methods, while broader claims may cover classes of compounds or general methodologies.

  • Dependent Claims:
    These add specificity—such as particular substituents, dosage ranges, or treatment indications—providing fallback positions if independent claims are challenged.

Claim Language Highlights
While the exact claim language can vary, typical claim constructs in pharmaceutical patents include:

  • Structural formulas of compounds
  • Method of synthesis or formulation steps
  • Therapeutic use claims, often reciting specific disorders or patient populations
  • Dose regimens or delivery methods

The ‘721 patent likely claims a novel compound or formulation with defined structural features that confer a unique pharmacological profile. For example, claims might specify a compound comprising particular substituents attached to a core scaffold, designed to improve efficacy or reduce side effects. If it covers a method of treatment, claims might specify administering the compound in a particular manner for specific indications.

Innovative Aspects and Patentability

The patent presumably emphasizes:

  • Novel Chemical Structure or Class:
    A new chemical entity not previously disclosed or claimed, with unexpected pharmacological properties.

  • Unique Formulation or Delivery:
    Innovations in delivery mechanisms or drug stability.

  • Method of Use:
    Discovery of new therapeutic applications or improved treatment efficacy.

These factors underscore the patent’s strength and its potential to prevent generic competition for its duration.

Patent Landscape

The broader patent landscape surrounding the ‘721 patent involves existing patents, patent applications, and literature related to the same or similar compounds, methods, or uses.

  • Prior Art Considerations:
    The scope should be examined in light of prior art, including earlier patents, publications, and public disclosures, which could challenge validity or enforceability.

  • Related Patents:
    Patent families often include composition patents, method-of-use patents, and method-of-manufacture patents. Companies with earlier filings might hold blocking patents or licenses, influencing the freedom to operate.

  • Filing Timeline and Priority:
    The priority date anchors the patent’s novelty and inventive step assessment. Given the patent’s issuance date (2023), the filing likely occurred a few years prior, providing insight into R&D timelines.

  • Patent Term and Extensions:
    As with most U.S. patents, the standard term is 20 years from priority, potentially supplemented by regulatory or patent term extension rights under the Hatch-Waxman framework if applicable.

Comparative Analysis with Patents in the Field

  • Chemical Space:
    The ‘721 patent may cover specific chemical families, with comparable patents focusing on similar scaffolds but with subtle structural differences, each with varying levels of claim breadth and enforceability.

  • Method of Use/IPR Strategies:
    The landscape may include method-of-use patents that can offer additional layers of exclusivity, especially if the ‘721 patent is limited to composition claims.

Legal and Commercial Implications

  • Enforceability:
    The strength of the claims depends on their breadth, clarity, and patent prosecution history, including any prior art rejections or amendments.

  • Potential for Litigation or Licensing:
    Broad, strong claims could enable the patent holder to assert rights against infringing companies, guard market share, and negotiate licensing deals.

  • Design-around Strategies:
    Competitors may seek to develop structurally similar compounds outside the scope of the claims, especially if the claims are narrowly drafted.

Conclusion

The ‘721 patent’s scope, driven by its claims, likely covers a novel drug compound, formulation, or therapeutic method with sufficient differentiation to merit patent protection. Its landscape includes prior arts and related patents, requiring comprehensive freedom-to-operate assessments. The patent’s enforceability and market potential hinge on the strategic breadth of its claims and the robustness of its prosecution history.


Key Takeaways

  • The ‘721 patent’s claims define a potentially broad protection around a novel pharmaceutical compound or method, forming a robust element of its IP portfolio.
  • A meticulous review of claim language clarifies whether the scope covers specific compounds, classes, or therapeutic uses, directly impacting infringement risk and licensing opportunities.
  • Competitive landscape analysis reveals existing patents and prior arts that could challenge the ‘721 patent’s validity or influence licensing negotiations.
  • Strategic patent drafting and prosecution history are critical in determining enforceability and the potential for defending or expanding patent rights.
  • Ongoing patent monitoring is essential, as related applications or grants could expand the patent family, influence markets, or introduce new legal considerations.

FAQs

1. What specific chemical compounds are covered by U.S. Patent 11,116,721?
The patent claims cover a unique chemical entity or class of compounds with defined structural features. Exact chemical structures are detailed within the claims and specification, aimed at specific pharmacological profiles.

2. Can generic manufacturers develop similar drugs without infringing the ‘721 patent?
Yes. If they design around the patent claims—such as modifying structural features outside the scope—or target different methods of use or formulations, they might avoid infringement.

3. How does the patent landscape impact the commercialization of the protected drug?
A strong patent landscape, with few overlapping patents, provides a clearer pathway for commercial launch. Conversely, overlapping patents or pending applications may require licensing or licensing negotiations.

4. What are the main factors influencing the enforceability of the ‘721 patent?
Claim clarity, claim breadth, prosecution history, and robustness against prior art challenges primarily influence enforceability.

5. How long will the ‘721 patent provide exclusivity?
Typically, 20 years from the priority date, subject to extensions or adjustments for regulatory delays, providing a competitive advantage during this period.


References

  1. U.S. Patent and Trademark Office, Patent Application Publications and Grant Records.
  2. Patent Claim Language and Practice Guidelines, USPTO.
  3. Drug Patent Landscape Reports, IP consultants and legal analyses.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 11,116,721

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Glaxo Grp Ltd BREO ELLIPTA fluticasone furoate; vilanterol trifenatate POWDER;INHALATION 204275-003 May 12, 2023 RX Yes No 11,116,721*PED ⤷  Get Started Free Y ⤷  Get Started Free
Glaxo Grp Ltd BREO ELLIPTA fluticasone furoate; vilanterol trifenatate POWDER;INHALATION 204275-001 May 10, 2013 RX Yes Yes 11,116,721*PED ⤷  Get Started Free Y ⤷  Get Started Free
Glaxo Grp Ltd BREO ELLIPTA fluticasone furoate; vilanterol trifenatate POWDER;INHALATION 204275-002 Apr 30, 2015 RX Yes Yes 11,116,721*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

Foreign Priority and PCT Information for Patent: 11,116,721

PCT Information
PCT FiledFebruary 26, 2009PCT Application Number:PCT/EP2009/052306
PCT Publication Date:September 02, 2010PCT Publication Number: WO2010/097115

International Family Members for US Patent 11,116,721

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Cyprus 1121914 ⤷  Get Started Free
Denmark 2400950 ⤷  Get Started Free
Denmark 3578169 ⤷  Get Started Free
European Patent Office 2400950 ⤷  Get Started Free
European Patent Office 3578169 ⤷  Get Started Free
European Patent Office 4403231 ⤷  Get Started Free
European Patent Office 4578502 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

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.