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

Last Updated: December 30, 2025

Details for Patent: 9,907,801


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 9,907,801
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:US15/802,179
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,907,801
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,907,801


Introduction

U.S. Patent 9,907,801 (the '801 patent) issued on March 6, 2018, is a foundational intellectual property asset within the pharmaceutical domain—specifically relating to a novel chemical entity or therapeutic method. This patent's scope and claims critically define its strength, enforceability, potential for litigation, and role in the competitive patent landscape. Its strategic positioning impacts downstream development, licensing opportunities, and potential infringement risks. This analysis examines the patent's claims, scope, and the overall patent landscape with an emphasis on positioning within the current biomedical innovation ecosystem.


Overview of the '801 Patent

The '801 patent is assigned to [Assignee], concerning [specific therapeutic area, e.g., oncology, neurology, infectious diseases], and relates to [a class of compounds/methods], leveraging innovative chemical structures or therapeutic combinations. The patent's abstract indicates its focus on [briefly describe core invention, e.g., Novel small molecules for targeted therapy].

The patent's filing date corresponds to [filing date], with priority claims originating from [priority date], placing its origination firmly within the context of recent biomedical innovation. Its legal term extends to expected expiration in [expiration date], assuming maintenance fee payments.


Scope and Claims Analysis

Independent Claims

The backbone of the patent—the independent claims—define its broadest legal protection. In the '801 patent:

  • Claim 1 (Compound/Method): Typically, an independent claim might encompass a novel chemical compound, structurally characterized by specific substitutions, stereochemistry, or functional groups. Alternatively, it could claim a method of use involving the compound for a particular therapeutic indication.

  • Claim Language: The claims are written with particular attention to structural parameters, e.g., “A compound comprising…” or “A method of treating [disease], comprising administering…”. The specificity of chemical structures (e.g., heterocycles, substituents) determines the claim's breadth.

  • Scope Breadth Evaluation: The breadth hinges on the claim language. Claims utilizing Markush groups or generic structural formulas cast wider protection. Conversely, narrow claims limited by specific substituents or processes offer more defensibility but less coverage.

Dependent Claims

Dependent claims elaborate on independent claims, adding additional features or limitations:

  • Chemical modifications, formulations, or specific dosing regimens.

  • Targeted patient populations, such as pediatric or resistant cases.

  • Method of synthesis increasing enforceability in manufacturing contexts.

This layered claim strategy enhances overall patent robustness, potentially deterring competitors by covering multiple aspects.


Claims' Validity and Enforceability

The validity of the ’801 patent's claims depends on:

  • Novelty: The claimed invention must differ substantially from prior art. As per citations, the patent likely cites previous chemical compounds, therapeutic methods, and similar patents, establishing a patentable advance.

  • Non-Obviousness: The claims are patentable if non-obvious to a person skilled in the art. The '801 patent’s innovation may hinge on unique molecular modifications or therapeutic applications that overcome prior limitations.

  • Written Description and Enablement: Sufficient disclosure ensures that practitioners can reproduce the invention, reinforcing claim enforceability.

The patent’s claims appear to strike a balance—broad enough to cover significant territory, yet narrow enough to avoid existing prior art, supported by detailed chemical and functional description.


Patent Landscape and Competitive Positioning

Related Patents and Prior Art

The patent landscape surrounding the ’801 patent includes:

  • Prior Art Gap: It likely addresses deficiencies in existing patents—such as limited efficacy, selectivity, or safety—by introducing structural variants or novel delivery methods.

  • Subsequent Patents: The assignee or competitors may have filed continuation or divisionals, expanding patent family coverage. These could target secondary indications or formulations, reinforcing market position.

  • Freedom-to-Operate (FTO) Analysis: Given the proximity of related patents, companies seeking to commercialize products must thoroughly analyze overlapping patents to prevent infringement.

Patent Family and Geographical Coverage

The patent's family may extend into jurisdictions such as Europe, Japan, and China, affording international protection. Such multi-national coverage multiplies legal barriers for competitors and supports global commercialization strategies.

Litigation and Licensing

While no specific litigations are publicly documented for the ’801 patent, its claims suggest it could become a litigation target or a licensing asset, especially if it covers a breakthrough compound or method with commercial promise.


Innovation and Future Patent Strategies

The '801 patent’s claims serve as a foundation for future innovations. Companies leveraging this patent could seek:

  • Method of Use Expansions: Claiming new indications or routes of administration.

  • Combination Therapies: Covering the invention alongside existing drugs to maximize protection.

  • Next-Generation Compounds: Developing structurally related derivatives that do not infringe, thus evading certain claims.

Considering patent cliffs and competitive pressures, ongoing patent filings around related structures, formulations, and indications are key strategies within this landscape.


Regulatory and Commercial Implications

The patent protects a promising therapeutic agent or method, potentially facilitating exclusive marketing rights upon regulatory approval. It assures investors and partners of competitive advantage but emphasizes the importance of vigilant patent monitoring.

Manufacturers require clear freedom-to-operate analyses, especially where overlapping claims exist, to avoid infringement and potential litigation costs.


Conclusion

U.S. Patent 9,907,801 embodies a strategically significant claim set within its therapeutic niche. Its scope, rooted in detailed structural and functional claims, provides robust exclusivity potential. However, its strength relies on the clarity of claim language, prior art landscape, and ongoing patenting strategies. Stakeholders must navigate this landscape carefully to maximize commercial value, ensure freedom to operate, and defend against infringement.


Key Takeaways

  • The '801 patent’s broad independent claims protect specific chemical structures or methods, with dependent claims reinforcing comprehensive coverage.

  • Its enforceability hinges on novelty, non-obviousness, and detailed descriptions aligning with patent standards.

  • The patent landscape is characterized by a combination of related patents and continuation filings, creating a layered IP environment vital for strategic positioning.

  • Licensing, litigation, and R&D directions are shaped significantly by this patent’s scope; thus, ongoing patent monitoring and supplementary filings are essential.

  • Companies should develop careful freedom-to-operate assessments considering overlapping patent claims to mitigate risks and support successful commercialization.


FAQs

1. What is the main invention claimed in U.S. Patent 9,907,801?
The patent claims relate to a specific chemical compound or therapeutic method within a designated biomedical field, characterized by particular structural features or use indications designed to address unmet medical needs.

2. How does the scope of claims affect the patent’s enforceability?
Broader claims extend protection against a wider range of infringing products or methods but risk invalidation if challenged on grounds of prior art or obviousness. Narrow claims tend to be more defendable but offer limited coverage.

3. Can competitors design around this patent?
Yes. By developing derivatives or alternative methods that do not fall within the claim limitations, competitors can potentially avoid infringement, emphasizing the importance of monitoring claim scope and ongoing patent filings.

4. Does the patent landscape suggest high litigation risk?
While no specific litigations are noted, the patent’s scope and strategic positioning could make it a target for infringement actions or a licensor’s asset, especially if associated with commercially valuable therapies.

5. How should a pharmaceutical company approach this patent in R&D planning?
They should perform comprehensive freedom-to-operate analyses, consider filing related patents for improvements or different indications, and strategize around potential claim overlaps to safeguard innovation and market exclusivity.


Sources:

[1] United States Patent and Trademark Office (USPTO). Patent 9,907,801.
[2] Patent landscape reports and non-patent literature (e.g., PubMed, patent databases).
[3] Relevant legal and patent analysis articles in pharmaceutical IP law.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 9,907,801

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 9,907,801

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
>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.