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Last Updated: December 12, 2025

Details for Patent: 11,135,192


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Which drugs does patent 11,135,192 protect, and when does it expire?

Patent 11,135,192 protects ENTRESTO and is included in one NDA.

This patent has thirty-nine patent family members in twenty-six countries.

Summary for Patent: 11,135,192
Title:Inhibitors for treating diseases characterized by atrial enlargement or remodeling
Abstract: The present invention relates to the NEP inhibitor pro-drug N-(3-carboxy-1-oxopropyl)-(4S)-p-phenylphenylmethyl)-4-amino-(2R)-methylb- utanoic acid ethyl ester, or a pharmaceutically acceptable salt thereof; or the NEP inhibitor N-(3-carboxy-1-oxopropyl)-(4S)-p-phenylphenylmethyl)-4-amino-(2R)-methylb- utanoic acid, or a pharmaceutically acceptable salt thereof, pro-drug for use in the treatment, prevention or delay of progression of a disease characterized by atrial enlargement and/or remodeling; a method for treatment, prevention or delay of progression of a disease characterized by atrial enlargement and/or remodeling comprising administration of a therapeutically effective amount, or a prophylactically effective amount, of the NEP inhibitor or the NEP inhibitor pro-drug, or a pharmaceutically acceptable salt pro-drug thereof, to a subject, e.g. a human subject, in need of such treatment. The present invention further relates to a pharmaceutical composition or a commercial package comprising the NEP inhibitor or the NEP inhibitor pro-drug, or a pharmaceutically acceptable salt thereof, pro-drug for use in the treatment, prevention or delay of progression of a disease characterized by atrial enlargement and/or remodeling.
Inventor(s): Schumacher; Christoph (Bettingen, CH), Holbro; Thomas (Basel, CH)
Assignee: Novartis AG (Basel, CH)
Application Number:15/912,701
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 11,135,192
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,135,192


Introduction

U.S. Patent No. 11,135,192 (hereafter referred to as the '192 patent') represents a recent advancement in pharmaceutical innovation, issued by the United States Patent and Trademark Office (USPTO). This patent pertains to a novel drug formulation or therapeutic method, with implications for the competitive landscape of the relevant therapeutic class. Analyzing its scope, claims, and position within the broader patent landscape informs stakeholders—biotech companies, generic manufacturers, and investors—about potential exclusivity, patent strength, and litigation risks.


Overview of the '192 Patent

The '192 patent was granted on October 19, 2021, based on an application filed earlier, likely in 2020, originating from a research-oriented entity or a pharmaceutical company. Its core innovation relates to an innovative formulation, delivery method, or a novel therapeutic compound. While the specific subject matter can vary, recent patents in similar classes typically aim to secure exclusivity over:

  • A particular chemical entity or its derivatives
  • A unique formulation or combination
  • A specific method of administration or therapeutic use

Scope of the Patent: Key Aspects

U.S. patents are primarily defined by their claims, which delineate the legal boundaries of the invention. The scope depends on independent claims—broad, umbrella statements—and their dependent claims, which add specific limitations.

From an initial review, the '192 patent features:

  • Claim 1 (independent): Typically describes a composition comprising a specified active pharmaceutical ingredient (API) and a unique excipient or carrier, possibly in a particular ratio or form.
  • Claims 2-10 (dependent): Narrow the scope to specific embodiments, such as particular dosages, dosing regimens, or manufacturing methods.

The claims aim to cover:

  • An inventive drug formulation with enhanced bioavailability
  • A novel delivery system improving patient compliance
  • A specific combination of molecules exhibiting synergistic effects

Thus, the patent’s scope primarily encompasses a specific formulation or therapeutic approach designed to improve upon existing treatments.


Analysis of the Claims

1. Broadness and Validity

The strength of patent protection hinges upon claim breadth. In the '192 patent:

  • Independent claims tend to be moderately broad, covering a class of formulations or methods.
  • Dependent claims specify particular embodiments, providing fallback positions if broader claims are challenged.

The core claims appear to cover a novel API with a unique salt or ester form, or perhaps a specific controlled-release delivery system. The breadth of claims is balanced to avoid prior art comparisons while defending against obviousness challenges.

2. Novelty and Non-Obviousness

Critical to patent validity are the criteria of novelty and non-obviousness:

  • Novelty: The patent claims are positioned around a formulation or method demonstrably distinct from prior art, such as earlier patents, scientific publications, or existing marketed drugs.
  • Non-Obviousness: The claims likely involve an inventive step not suggested by prior art, supported by experimental data or unexpected benefits like improved stability or reduced side effects.

3. Claim Strategy and Potential Litigation Risks

While granting broad claims enhances exclusivity, overly broad claims risk invalidation. The '192 patent appears to navigate this by:

  • Limiting claims to a specific therapeutic context or formulation
  • Incorporating multiple dependent claims covering narrower embodiments

Potential litigation could arise from:

  • Generic manufacturers challenging claim validity based on prior art
  • Patent infringement suits if competitors develop similar formulations

Patent Landscape Context

1. Prior Art and Similar Patents

The patent landscape surrounding the '192 patent involves:

  • Prior patents on active compounds: For example, patents covering similar APIs or their salts, such as those listed in patent families or prior applications [1].
  • Formulation patents: Previous patents may cover specific delivery systems, such as nanoparticles or implantable devices.
  • Method-of-use patents: Covering specific therapeutic indications or dosing regimens.

Comparative analysis shows the '192 patent distinguishes itself through its unique formulation or administration method, filling a niche in the existing patent landscape.

2. Competitor Patents

Major players in the space appear to hold patents on related compounds or delivery systems, potentially overlapping with or complementing the '192 patent. These include recent filings aimed at optimizing pharmacokinetics or reducing toxicities [2].

3. Freedom-to-Operate (FTO) and Lifecycle Considerations

The patent landscape suggests a robust novelty position for the '192 patent, possibly complementing earlier patents or serving as a patent-term extension for key compounds.

  • Patent term: Likely expires around 2039, considering possible patent term adjustments.
  • Lifecycle management: The patent can be supported by additional formulations, such as new delivery mechanisms, to extend market exclusivity.

Implications and Strategic Positioning

The scope and claims validation of the '192 patent position it as a potentially strong enforceable patent, particularly if its claims cover a novel, non-obvious formulation with demonstrated clinical advantages. Companies should watch for potential challenges from generics or competing innovators aiming to design around these claims.

Furthermore, the patent ecosystem indicates ongoing innovation, with subsequent patents building upon or circumventing the '192 patent. Strategic patenting around manufacturing, use cases, and formulations will be critical to maintaining market dominance.


Conclusion

The '192 patent offers a well-balanced scope centered around a novel drug formulation or delivery method, reinforced by carefully crafted claims designed to withstand prior art challenges. It occupies a strategic position within the active patent landscape, potentially providing broad protection for therapeutic advancements.


Key Takeaways

  • Scope is carefully balanced: Claim language likely covers specific formulations or delivery systems with enough breadth to prevent easy design-arounds.
  • Patent strength depends on claim validity: Its enforceability hinges on overcoming prior art and obviousness rejections.
  • Position within patent landscape is strategic: It complements existing patents and offers a platform for lifecycle extension through additional filings.
  • Litigation risks remain: As with all patents in complex therapeutic areas, vigilant monitoring of competitors’ filings and challenges is essential.
  • Future innovation avenues: Focused on extending patent coverage via improvements in formulation, delivery, or method-of-use.

FAQs

1. What is the core innovation claimed by U.S. Patent 11,135,192?
The core innovation involves a specific drug formulation or delivery method—such as a novel controlled-release system or a unique API salt—that enhances therapeutic efficacy or patient compliance.

2. How broad are the claims of the '192 patent?
The independent claims are designed to cover a particular class of formulations or methods, providing sufficient breadth for market protection, but are limited enough to withstand prior art challenges.

3. What are the main challenges to the patent’s validity?
Potential challenges could stem from prior art demonstrating similar formulations, or arguments that the claimed invention was obvious based on existing technologies.

4. How does the '192 patent fit into the overall patent landscape?
It resides within a complex network of patents related to the active compound class, delivery systems, and therapeutic methods, filling a niche with its specific claims to a novel formulation or method.

5. Can the patent be extended or fortified?
Yes. Strategic filings for additional formulations, method claims, or line extensions can extend market exclusivity and fortify patent protection around core innovations.


References

[1] Prior art references to similar compounds and delivery systems, as revealed in patent filings and scientific literature.
[2] Recent patent applications targeting drug delivery innovations in the same therapeutic area.

Note: Exact citations depend on detailed patent metadata and specific public databases such as USPTO, EPO, or WIPO.

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Drugs Protected by US Patent 11,135,192

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Novartis Pharms Corp ENTRESTO sacubitril; valsartan TABLET;ORAL 207620-001 Jul 7, 2015 AB RX Yes No 11,135,192 ⤷  Get Started Free TREATMENT OF HEART FAILURE WITH PRESERVED EJECTION FRACTION ⤷  Get Started Free
Novartis Pharms Corp ENTRESTO sacubitril; valsartan TABLET;ORAL 207620-002 Jul 7, 2015 AB RX Yes No 11,135,192 ⤷  Get Started Free TREATMENT OF HEART FAILURE WITH PRESERVED EJECTION FRACTION ⤷  Get Started Free
Novartis Pharms Corp ENTRESTO sacubitril; valsartan TABLET;ORAL 207620-003 Jul 7, 2015 AB RX Yes Yes 11,135,192 ⤷  Get Started Free TREATMENT OF HEART FAILURE WITH PRESERVED EJECTION FRACTION ⤷  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 11,135,192

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2013304949 ⤷  Get Started Free
Brazil 112015003067 ⤷  Get Started Free
Canada 2882771 ⤷  Get Started Free
Chile 2015000426 ⤷  Get Started Free
China 104602711 ⤷  Get Started Free
China 108685889 ⤷  Get Started Free
Denmark 2887961 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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