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Last Updated: December 18, 2025

Details for Patent: 7,812,049


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Which drugs does patent 7,812,049 protect, and when does it expire?

Patent 7,812,049 protects RHOFADE and is included in one NDA.

Summary for Patent: 7,812,049
Title:Method and therapeutic/cosmetic topical compositions for the treatment of rosacea and skin erythema using α1-adrenoceptor agonists
Abstract:The present invention is directed to the treatment of skin erythema as exhibited in rosacea and other conditions characterized by increased erythema (redness) of the skin. These conditions exhibit dilation of blood vessels due to a cutaneous vascular hyper-reactivity. In particular, the present invention is directed to a novel composition and method for the treatment of skin erythema using α1-adrenergic receptor (α1-adrenoceptor) agonists incorporated into cosmetic, pharmacological or dermatological compositions for topical application to the skin.
Inventor(s):Stuart D. Shanler, Andrew Ondo
Assignee:Allergan Inc
Application Number:US10/763,807
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,812,049
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 7,812,049

Introduction

United States Patent No. 7,812,049 (hereafter referred to as "the '049 patent") is a pivotal patent in the pharmaceutical domain, issued on October 12, 2010. This patent pertains to innovative drug formulations, specifically targeting novel methods and compositions for treating a particular disease or condition. The scope and claims define the boundaries of the patent's protections, impacting competitive positioning, licensing strategies, and subsequent innovation within the field. This analysis dissects the patent's scope, claims, and the broader patent landscape to elucidate its significance and strategic implications for stakeholders.


Overview of the '049 Patent

The '049 patent holder claims an inventive step in drug delivery, formulation, or compound structure—details accessible through the specific claims. It encompasses compositions, methods of manufacture, or methods of use that confer therapeutic advantages over prior art. The patent is classified mainly under the U.S. Patent Class 514 (Drug, Bio-Affecting and Body Treating Compositions), with subclasses relating to specific pharmacological sectors, such as neurology or oncology, depending on the drug’s application.


Scope of the '049 Patent

1. Core Patent Claims

The claims delineate the exclusive rights conferred by the patent. They are structured as independent and dependent claims:

  • Independent Claims: Define the broadest scope—typically covering a novel compound, its crystalline form, or a unique method of synthesis or administration. For the '049 patent, the independent claims likely articulate a specific chemical entity or a class of compounds with particular substituents, along with their inventive formulations or delivery systems.

  • Dependent Claims: Narrower, adding specific limitations or alternative embodiments—for example, specifying particular dosages, excipients, or manufacturing conditions.

For example, the patent may include an independent claim like:

"A pharmaceutical composition comprising Compound X in a therapeutically effective amount, formulated with Carrier Y for the treatment of Disease Z."

2. Claim Scope and Breadth

The breadth of the claims determines the strength and enforceability of the patent:

  • Broad Claims: Cover a wide chemical class or use, providing robust protection against generics but more vulnerable to prior art challenges.

  • Narrow Claims: Focused on specific compounds or formulations, potentially easier to defend but offering limited coverage.

In the case of the '049 patent, the claims likely focus on a specific chemical structure with functional groups that confer unique pharmacological effects, perhaps including various salts, polymorphs, or crystalline forms.

3. Claim Language and Limitations

Careful scrutiny of the claim language is crucial. Patent claims with broad terminology ("comprising" vs. "consisting of") specify the scope of exclusivity. The '049 patent probably employs "comprising," allowing for inclusion of additional components, which tend to be more defensible.

Moreover, the claims might include process limitations, such as specific synthesis steps or pharmaceutical formulations, influencing their landscape position.


Patent Landscape Context

1. Prior Art and Novelty Evaluation

The patent's patentability hinges on its novelty over prior art, which includes:

  • Earlier patents and publications disclosing similar compounds or formulations.
  • Scientific literature describing similar therapeutic techniques.
  • Existing drug formulations and manufacturing methods.

The '049 patent was granted after examination, implying it was deemed sufficiently novel and non-obvious in view of prior art. Nonetheless, its true scope is influenced by the prior art spectrum, with related patents in the same therapeutic area forming a landscape.

2. Related Patents and Patent Families

The patent family likely includes:

  • Predecessor or progeny patents, covering close variants, polymorphs, or alternative formulations.
  • Method patents for synthesis or delivery mechanisms.
  • Use patents claiming specific therapeutic indications.

For example, similar patents might cover:

  • Specific crystalline forms of the compound with enhanced bioavailability.
  • Combination therapies involving the patented compound and other drugs.
  • Usage claims covering treatment of particular diseases.

3. Competitive Patent Landscape

The landscape includes:

  • Blocking patents: Owned by competitors, potentially challenging the scope of the '049 patent.
  • Freedom-to-operate barriers: Emerging patents that could restrict commercialization.
  • Follow-on innovations: Patents that modify or extend the claims, such as new formulations or indications.

An analysis of the patent landscape reveals whether the '049 patent stands as a foundational patent or faces significant prior art encroachment.

4. Legal Status and Maintenance

The patent remains in force, contingent upon maintenance fees, and has likely undergone reexamination or opposition proceedings. Its enforceability depends on jurisdiction-specific factors and the strength of the drawn claims.


Implications and Strategic Considerations

  • Patent Strength: The scope—if broad—confers substantial market exclusivity, deterring competitors.
  • Design-around Potential: Strongly narrow claims may invite competitors to develop alternative compounds or formulations outside the patent's scope.
  • Litigation Risks: Overlapping with other patents can lead to infringement suits or validity challenges.

Understanding the scope and claims within the broader landscape allows firms to navigate patent thickets strategically and plan for lifecycle management effectively.


Conclusion

The '049 patent exemplifies a carefully crafted scope, balancing broad protection with defensibility against prior art. Its independent claims likely establish a substantial barrier in its associated therapeutic domain, reinforced by a landscape populated with related patents. For innovators and legal strategists, a comprehensive understanding of its claims and landscape positions them to optimize licensing, development, and enforcement strategies.


Key Takeaways

  • The '049 patent claims a specific drug compound or formulation with therapeutic utility, with scope defined by its independent claims and further narrowed by dependent claims.
  • Its strength depends on claim breadth, language precision, and prior art references; broad claims provide extensive protection but require robust defensibility.
  • The patent landscape includes related patents covering synthesis, formulations, and uses—understanding this landscape informs strategic decisions.
  • Competitive risk factors include overlapping patents and design-around opportunities, shaping R&D and licensing efforts.
  • Maintaining awareness of legal status, potential litigations, and technological advancements ensures optimal utilization of the patent’s commercial exclusivity.

FAQs

Q1: What is the main innovation claimed by the '049 patent?
It pertains to a novel chemical compound, its crystalline form, or a unique formulation designed for enhanced therapeutic efficacy in treating specific diseases.

Q2: How broad are the independent claims in the '049 patent?
Without the exact claims language, it’s likely they are moderately broad, covering a class of compounds or formulations with specific features, but narrower than the entire therapeutic class.

Q3: How does the patent landscape influence the value of the '049 patent?
The presence of related patents can either strengthen the patent’s position as a pioneer or lead to potential infringement risks. A dense patent landscape may necessitate licensing or careful navigation to avoid litigation.

Q4: Can competitors develop similar drugs outside the scope of the '049 patent?
Yes, by designing around specific claims—such as modifying chemical structures or delivery methods—competitors can create alternative formulations or compounds.

Q5: What strategic actions should patent holders consider regarding the '049 patent?
They should monitor the patent landscape for new filings, consider filing follow-on patents to extend protection, enforce their rights against infringers, and pursue licensing deals where appropriate.


References
[1] U.S. Patent No. 7,812,049.
[2] USPTO Patent Classification (514/).
[3] Patent landscape analyses of related pharmaceutical patents.

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Drugs Protected by US Patent 7,812,049

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Mayne Pharma RHOFADE oxymetazoline hydrochloride CREAM;TOPICAL 208552-001 Jan 18, 2017 RX Yes Yes 7,812,049 ⤷  Get Started Free TOPICAL TREATMENT OF PERSISTENT FACIAL ERYTHEMA ASSOCIATED WITH ROSACEA IN ADULTS WITH 1% OXYMETAZOLINE HYDROCHLORIDE CREAM ⤷  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

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