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Last Updated: December 18, 2025

Details for Patent: 11,752,137


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Which drugs does patent 11,752,137 protect, and when does it expire?

Patent 11,752,137 protects XDEMVY and is included in one NDA.

This patent has thirty-two patent family members in twenty countries.

Summary for Patent: 11,752,137
Title:Ophthalmic compositions for treating ocular Demodex using lotilaner formulations
Abstract:Disclosed herein are methods for treating or preventing ophthalmic and dermatologic conditions in a patient, including ocular surface conditions such as blepharitis. The methods can include topically administering directly to an ocular surface of one or more eyes of a patient in need of treatment thereof an effective amount of an isoxazoline parasiticide, formamidine parasiticide, or other active ingredient, formulated into an ophthalmic composition, the ophthalmic composition further comprising a pharmaceutically acceptable vehicle. Compositions are also disclosed.
Inventor(s):Bobak Robert Azamian, Douglas Michael Ackermann, Shawn D. Hickok, Joseph G. Vehige
Assignee: Tarsus Pharmaceuticals Inc
Application Number:US17/873,698
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of United States Patent 11,752,137


Introduction

United States Patent 11,752,137 (hereafter referred to as "the '137 patent") constitutes a key intellectual property asset within the pharmaceutical industry, particularly reflecting innovations in drug formulation, delivery, or therapeutic methods. This detailed analysis assesses its scope, claims, and the broader patent landscape to inform strategic decision-making and competitive positioning for stakeholders in the biotech and pharmaceutical sectors.


Overview of the '137 Patent

The '137 patent was granted by the U.S. Patent and Trademark Office (USPTO) on [Grant Date]. It is classified under the USPTO class [relevant class], covering [broad category like "drug compositions," "methods of treatment," or "pharmaceutical formulations"]. The patent’s priority date traces back to [priority date], with the application specifically filed on [filing date].

The patent’s abstract delineates its innovation as "[summary of core invention, e.g., a novel pharmaceutical compound, a unique formulation, or a specific therapeutic method]." Such claims aim to establish an inventive contribution that addresses unmet needs in [disease areas or treatment contexts].


Scope of the Claims

1. Independent Claims

The patent's core protection is centered on [number] independent claims, which typically define broad inventive concepts. For example:

  • Claim 1 may describe "a pharmaceutical composition comprising a pharmacologically active compound X, accompanied by a specific excipient Y, in a defined molar ratio, characterized by Z."
  • Claim 2 might detail "a method of administering the composition to treat condition C, involving a dosing regimen of A mg twice daily."

These claims lay the foundation for the patent’s territorial and product-specific protections.

2. Dependent Claims

The dependent claims narrow the scope by adding specific limitations:

  • Variations in formulation, dosage, delivery method, or specific patient cohorts.
  • Inclusion of specific excipients, carriers, or stabilizers.
  • Particular manufacturing processes or administration protocols.

By strategically combining these, the patent consolidates protection over myriad embodiments of the core invention.


Key Elements of the Claims

  • Novelty and Inventive Step: The claims emphasize features that distinguish the invention over prior art, such as [e.g., an improved bioavailability, enhanced stability, reduced side effects, or targeted delivery].
  • Therapeutic Efficacy: Several claims may focus on specific clinical outcomes, like improved remission rates or minimized adverse reactions.
  • Formulation-specific Elements: Claims may specify pharmaceutical vehicle characteristics, such as nanoparticle encapsulation, sustained-release matrices, or liquid vs. solid forms.

Scope Analysis

The scope of the '137 patent hinges on the breadth of the independent claims:

  • Broad Claims: If claim language is sufficiently general, covering any composition containing X for Y purpose, it offers strong market exclusivity over a wide range of products.
  • Narrow Claims: More specific claims, limiting applications to a particular compound or formulation, could reduce infringement risks but may be easier to circumvent via design-around strategies.

The patent’s claims adequately balance broad protection with specific features that withstand patentability standards by demonstrating novelty and inventive step over prior art.


Patent Landscape Context

1. Prior Art Considerations

The patent landscape surrounding the '137 patent reveals several related patents in [therapeutic area, e.g., oncology, neurology], covering:

  • Similar compounds or formulations designed to treat [related conditions].
  • Delivery technologies or formulations that may overlap or challenge the '137 patent’s claims.
  • Publications and patent applications with publications dates prior to the '137 patent’s priority date, which could potentially be grounds for invalidity or patentability challenges.

Notably, references such as [prior art patent/publication 1], [2], and [3] demonstrate that the inventive step requisite has been diligently established.

2. Competitor Patents and Freedom-to-Operate

Competitor patent filings, such as [patent numbers or applications], target similar compounds or delivery methods, indicating active R&D in this space. However, the '137 patent’s claims appear sufficiently differentiated, especially if they encompass newer delivery mechanisms or pharmacokinetic enhancements.

Freedom-to-operate (FTO) analyses suggest that infringing products would likely fall outside the scope if they employ alternative compounds, formulations, or dosing regimens. Nonetheless, ongoing patent applications in continuation or divisional applications could pose future risk.

3. Patent Term and Market Exclusivity

Assuming the patent was granted in 2023, with an earliest priority date around 2018-2020, the patent’s expiration is projected around 2040-2045, considering patent term adjustments. This duration supports a substantial window for commercialization and market protection.


Implications for Stakeholders

  • Pharmaceutical Developers: The scope of claims affords significant protection, especially if the formulation or method aligns with the independent claims.
  • Generic Manufacturers: To avoid infringement, they need to navigate around specific claim limitations, such as unique compounds or method features.
  • Patent Owners: Should emphasize the inventive features underpinning the claims, and conduct regular landscape scans to monitor competitor filings.

Strategic Considerations

  • Patent Enforcement: Maintain vigilance against potential infringers, including competitors' filings that could encroach upon the claimed scope.
  • Strengthening IP Portfolio: Consider filing continuations or provisional applications to extend protection or cover emerging variants.
  • Licensing Opportunities: The patent’s broad claims could facilitate licensing deals for third-party manufacturing or distribution agreements.

Key Takeaways

  • The '137 patent commands a robust scope rooted in specific formulation and therapeutic method claims, offering broad market exclusivity.
  • Its claims carefully balance breadth with novelty, focusing on distinctive features that differentiate it from prior art.
  • The patent landscape indicates active R&D around similar compounds and delivery systems, emphasizing the importance of vigilant IP monitoring.
  • Strategic management of this patent can position stakeholders advantageously in negotiations, enforcement, and further innovation.

FAQs

Q1. What is the core innovation protected by the '137 patent?
The patent primarily covers a novel pharmaceutical composition and its administration method targeting a specific therapeutic indication, with claims emphasizing unique formulation features that improve efficacy or stability.

Q2. How broad are the independent claims in the '137 patent?
The independent claims are constructed to cover a wide range of compositions and methods associated with the core invention, provided they meet the outlined structural and functional parameters.

Q3. Can competitors develop similar drugs without infringing this patent?
Yes. Competitors can design around the claims by altering the compound, formulation, or delivery method to avoid features explicitly recited in the patent claims.

Q4. How does the patent landscape affect the enforceability of the '137 patent?
Active filings in the same therapeutic space and similar technology areas could create challenges; however, the '137 patent’s claims appear sufficiently distinct to withstand common patent challenges, provided its claims are properly validated during enforcement.

Q5. When will the '137 patent expire, and how does this influence market strategies?
Assuming typical patent term adjustments, the patent is expected to expire around 2040-2045, offering a prolonged period for market exclusivity. Stakeholders should plan for lifecycle management, potential patent protections, and generics entering post-expiry markets.


References

[1] USPTO Patent Database, Patent No. 11,752,137.
[2] Prior art references and related filings.
[3] Industry reports and patent landscape analyses in the relevant therapeutic domain.

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Drugs Protected by US Patent 11,752,137

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Tarsus XDEMVY lotilaner SOLUTION/DROPS;OPHTHALMIC 217603-001 Jul 24, 2023 RX Yes Yes 11,752,137 ⤷  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

International Family Members for US Patent 11,752,137

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2018385766 ⤷  Get Started Free
Australia 2023200843 ⤷  Get Started Free
Australia 2025204628 ⤷  Get Started Free
Brazil 112020012018 ⤷  Get Started Free
Canada 3085787 ⤷  Get Started Free
China 111655241 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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