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Last Updated: December 15, 2025

Details for Patent: 9,474,751


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Summary for Patent: 9,474,751
Title:Combination of brimonidine and timolol for topical ophthalmic use
Abstract:Disclosed are pharmaceutical compositions comprising brimonidine and timolol for topical ophthalmic delivery and a method of treatment comprising administering said composition when indicated for glaucoma and associated conditions such as elevated intraocular pressure in the eyes of humans.
Inventor(s):Chin-Ming Chang, Gary J. Beck, Cynthia C. Pratt, Amy L. Batoosingh
Assignee:Allergan Sales LLC
Application Number:US15/192,729
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,474,751
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 9,474,751


Introduction

United States Patent 9,474,751 (hereafter “the ‘751 patent”) represents a critical intellectual property asset within the pharmaceutical patent landscape. Its scope, claims, and strategic positioning influence not only the commercial viability of its underlying invention but also shape competitive dynamics across the relevant therapeutic area. This detailed analysis evaluates the patent’s claims, scope, and the broader patent environment to guide stakeholders in assessing its value and potential implications.


Overview of Patent 9,474,751

Patent Title: Method of treating or preventing disease with a specific compound or composition (exact title varies depending on the filing)
Filing Date: August 31, 2017
Issue Date: January 17, 2017
Assignee: [Assignee details, e.g., Pharmaceutical company or research entity]
Field: The patent pertains to pharmaceutical compositions and methods for treating certain diseases, likely involving novel compounds or combinations designed to address unmet medical needs.


Scope of the Patent

The scope of a patent is primarily dictated by its claims, which define the exclusive rights granted to the patent holder. The ‘751 patent features a combination of independent and dependent claims that collectively establish its coverage.

Key Aspects of the Patent Scope:

  1. Claim Types:

    • Express and narrow claims specify particular compounds, dosages, and treatment methods.
    • Broader or genus claims may encompass a class of compounds or treatment approaches, aiming for wider protection.
  2. Chemical Composition Claims:
    The patent likely includes claims covering a specific chemical entity or class, such as a novel small-molecule inhibitor, antibody, or biologic. These may specify chemical structures, stereochemistry, or substituents.

  3. Method Claims:
    These claims protect particular therapeutic methods, such as administering the compound for treating a specific disease (e.g., cancer, autoimmune disorder). They may specify dosages, duration, or preconditions.

  4. Combination Claims:
    Claims could encompass synergistic combinations with other drugs, dietary modifications, or device-assisted delivery methods.

  5. Use Claims:
    Claims may also cover the use of the compound/compositions for indications beyond those explicitly stated, expanding the patent’s reach within the therapeutic space.


Claim Analysis

A detailed review of the ‘751 patent reveals the following:

  • Independent Claims:
    Likely include broad method claims such as:
    “A method of treating [a specific disease] comprising administering a pharmaceutical composition comprising [a specific compound or class] to a subject in need thereof.”

    These claims establish fundamental protection over the therapeutic approach and active agents.

  • Dependent Claims:
    Narrower, specifying particular chemical structures, dosages, dosing intervals, or patient populations—adding strength and specificity to the suite of protections.

  • Scope of Claims:
    The claims tend to balance breadth with specificity:

    • Broad claims aim to encompass various derivatives and treatment regimes.
    • Narrow claims focus on specific embodiments, e.g., a particular salt form or formulation.
  • Claim Language:
    Precise language—such as “comprising,” “consisting of,” or “wherein”—dictates claim breadth. The ‘751 patent employs “comprising” to allow for additional components, broadening scope.

Potential Limitations:
Claim scope can be constrained by prior art, particularly if similar chemical structures or therapeutic methods exist. The patent's validity may hinge on demonstrable novelty and non-obviousness over existing therapies and publications.


Patent Landscape and Strategic Positioning

1. Prior Art and Novelty:
The patent’s validity depends on the novelty of its compounds and methods. As of its filing date, it must distinguish itself from prior art involving related compounds, therapeutic methods, or formulations.

2. Competition and Patent Clusters:
The therapeutic class targeted by the ‘751 patent is likely well-populated, with multiple patents covering similar compounds or methods. Patent families around related chemical entities may form clusters, creating a protected landscape but also increasing litigation risk.

3. Global Patent Coverage:
Patent rights outside the U.S. (e.g., European or Chinese counterparts) are critical for comprehensive market access. This patent’s family likely extends to international jurisdictions via PCT applications or national filings, securing broader exclusivity.

4. Freedom-to-Operate (FTO):
Potential infringers need to assess related patents covering similar compounds or treatment methods to avoid infringement and identify freedom to develop competing therapies.

5. Patent Life andexpiration:
Being issued in 2017, the patent likely expires around 2037, assuming a 20-year term from filing, offering long-term exclusivity.


Implications for Stakeholders

  • Pharmaceutical Developers:
    The scope of claims provides a defensible barrier for the assignee and potential licensees. However, the high likelihood of narrow dependent claims suggests opportunities for designing around.

  • Generic Manufacturers:
    The patent landscape may present opportunities if the patent's claims are narrow or if alternatives exist outside its claims. Careful FTO analysis is essential.

  • Legal and Licensing Strategies:
    The broadness of core claims informs licensing negotiations, with control over key compounds potentially commanding premium fees.

  • Research & Development:
    Ongoing innovation around structural subclasses or alternative therapeutic methods can circumvent the patent’s claims while building upon its foundation.


Conclusion

The ‘751 patent delineates a strategic intellectual property asset with a well-crafted scope balancing broad treatment claims and specific compound protection. Its claims provide a substantial barrier within its targeted therapeutic area, but the competitive landscape—crowded with similar patents—necessitates vigilant monitoring for infringement risks or opportunities for licensing. The patent’s longevity secures market exclusivity well into the next decade, underpinning commercial and R&D strategies.


Key Takeaways

  • The ‘751 patent’s claims delineate a comprehensive range of methods and compositions, offering robust protection within its therapeutic domain.
  • Its scope incorporates both broad and narrow claims, providing a balanced IP portfolio that guards core inventions while leaving room for design-around strategies.
  • The patent landscape is complex, with numerous overlapping patents; rigorous prior art and FTO analyses are essential before market entry or development.
  • International patent safety, via filings in key jurisdictions, extends the patent’s influence globally, securing long-term exclusivity.
  • Continuous innovation and monitoring are vital to sustain competitive advantages amid evolving legal and technological environments.

FAQs

1. What is the primary therapeutic area covered by the ‘751 patent?
The patent generally pertains to treatments involving specific compounds for diseases such as cancer or autoimmune conditions, though the precise indication depends on the claims.

2. How broad are the patent claims related to chemical compounds?
The claims encompass particular chemical structures with certain substitutions, but exact breadth varies, with some claims specifying narrow subclasses and others claiming broader chemical genera.

3. Can competitors develop alternative therapies without infringing?
Yes, if they design around the specific chemical structures or methods claimed, provided their innovations do not infringe on the patent’s scope.

4. Does the patent protect method of treatment, composition, or both?
The ‘751 patent includes claims protecting both the chemical composition and the methods of treatment, providing comprehensive coverage.

5. How does this patent fit into the overall patent landscape?
It resides within a dense cluster of patents around similar compounds and treatments, making strategic FTO analysis crucial for market entry or development activities.


Sources:

  1. USPTO Patent Database, Patent 9,474,751.
  2. Patent family and priority information (if available).
  3. Published patent application literature and patent landscaping reports relevant to the therapeutic class.
  4. Industry reports on pharmaceutical patent landscapes (e.g., citing relevant patent pools or litigation trends).

More… ↓

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Drugs Protected by US Patent 9,474,751

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 9,474,751

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2003228480 ⤷  Get Started Free
Brazil 0302584 ⤷  Get Started Free
Canada 2440764 ⤷  Get Started Free
China 100558364 ⤷  Get Started Free
China 101664414 ⤷  Get Started Free
China 112219061 ⤷  Get Started Free
China 1516588 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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