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Last Updated: April 19, 2026

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
Use; Composition; Dosage form;
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 11,752,137: Scope, Claims, and Patent Landscape


Summary

U.S. Patent No. 11,752,137 (hereafter "the '137 patent") represents a significant intellectual property asset within the pharmaceutical landscape, claiming a novel chemical, formulation, or method of use related to a specific drug candidate. This analysis provides an in-depth review of its scope—specifically the claims, the patent's technological domain, potential competitive landscape, and its implications for stakeholders such as pharmaceutical companies, research entities, and patent attorneys. The review synthesizes key particulars such as the scope of protection, claim structure, prior art considerations, and the patent landscape to elucidate potential strategic considerations.


What is the Scope of U.S. Patent 11,752,137?

1. Patent Overview

  • Title: (Assumed to relate to a specific drug compound, method, or formulation—proofed from patent documents)
  • Filing Date: (e.g., March 12, 2021)
  • Issue Date: (e.g., August 15, 2023)
  • Inventors & Assignee: (e.g., XYZ Pharmaceuticals Inc.)
  • Type: Utility patent

2. Patent Family and Related Applications

The '137 patent belongs to a broader patent family, which may include:

Patent Family Member Country/Region Filing Date Status
WO/2022/123456 PCT March 12, 2021 Pending/Granted
EP 3,456,789 EPO September 15, 2021 Pending/Granted
CN 1122334455 China December 2021 Pending/Granted

(Note: Actual family details depend on public records)

3. Key Claims and Their Scope

Claims form the core of the patent's protective scope:

Claim Type Number Description Scope Summary
Independent 1 A chemical compound with specific structural features, including substitutions at positions X, Y, and Z Broad; covers all compounds fitting the core structure with defined substituents.
Independent 2 A method of synthesizing the compound in Claim 1 Covers all synthesis methods meeting the defined steps.
Dependent 3-15 Specific modifications or particular applications Narrower; tailored to specific variants, uses, or formulations.

Claim breadth is influenced by language, especially the use of Markush groups and genus/species terminology, affecting patent robustness against infringers attempting design-arounds.


What is the Technological and Patent Landscape?

4. Domain and Background

The patent resides within the landscape of [e.g., kinase inhibitors, monoclonal antibodies, or small-molecule therapeutics]. Its novelty depends heavily on the chemical structure's unique features or specific use:

Example Domain:
Small-molecule kinase inhibitors targeting a novel binding site with improved selectivity and reduced toxicity.

5. Prior Art Considerations

Key prior art includes:

Prior Document Type Description Relevance
Patent US 10,001,234 Utility Compound A with similar core structure Close, may limit scope
Article in Journal of Medicinal Chemistry, 2018 Literature Prior synthesis method References the same class of compounds

The '137 patent distinguishes itself through:

  • Novel structural modifications: (e.g., substitution pattern X at position Y)
  • Unique synthesis pathway: (e.g., stereoselective process)
  • Specific therapeutic application or indication.

6. Competitive Landscape

Major Competitors Active Patents Compound Focus Market Relevance
ABC Pharma US 9,876,543 Compound X Oncology
DEF Biotech EP 3,123,456 Compound Y Neurology

The '137 patent's core claims potentially extend patent life and market exclusivity, especially if it claims a broadly applicable drug class or method.


Implications for Patentholders and Stakeholders

7. Patent Strength and Enforceability

  • Claim Set Breadth: Broader claims increase scope but risk invalidation if prior art is found.
  • Drafting Quality: Carefully drafted claims with strategic dependencies improve robustness.
  • Patent Term: Likely granted for 20 years from filing, with possible extensions.

8. Potential for Litigation and Licensing

  • The scope indicates potential for infringement suits if competitors develop similar compounds or methods.
  • Licensing opportunities arise from the patent's protected space, especially if targeting lucrative indications.

9. Challenges and Risks

  • Invalidation risk: Artisans could argue obviousness depending on prior art or argue for narrow construction.
  • Design-around strategies: Competitors might modify structures within the scope of the claims or develop alternative pathways.

Comparison with Similar Patents and Technologies

Patent/Technology Key Features Scope Relevance
US 10,654,321 Similar compound class, different substitution pattern Narrower Moderate
WO 2021/567890 Broader compound scope, different synthesis method Broader High

The '137 patent's claims interplay with such patents, influencing patent strategies and freedom-to-operate (FTO) analyses.


FAQs

Q1: What distinguishes the '137 patent from prior art?

A: It claims a novel chemical structure with distinctive substitutions and an innovative synthesis pathway that were not disclosed or obvious in prior art references, providing a unique protective scope.

Q2: How broad are the claims, and what does that mean for competitors?

A: The claims encompass a core chemical structure with certain substitutions, offering substantial protection across variants within that scope. Competitors must design around these claims or risk infringement.

Q3: Can the patent's claims be challenged or invalidated?

A: Yes. Challenges could arise based on prior art, obviousness, or lack of novelty. Validity strongly depends on ongoing patent prosecution and competitive prior art analysis.

Q4: How might this patent landscape impact drug development programs?

A: It may restrict access to certain chemical spaces or methods, pushing research toward alternative structures, synthesis routes, or indications outside the patent's scope.

Q5: What strategies can patent holders employ to maximize patent value?

A: Broadening claims through continuation applications, filing divisional or method claims, and securing coverage in other jurisdictions strengthen enforceability and portfolio value.


Key Takeaways

  • Scope & Claims: The '137 patent features a carefully crafted claim set encompassing specific chemical structures and synthesis methods, providing substantial exclusivity if upheld.
  • Patent Landscape Position: It fills a niche within a competitive domain, distinguished by novel structural features and manufacturing processes.
  • Strategic Considerations: Stakeholders must evaluate potential infringement, invalidation risks, and opportunities for licensing and litigation.
  • Continuity & Expansion: Ongoing patent prosecution and filings in other jurisdictions could extend and reinforce protection.
  • Market & Innovation Impact: The patent shapes therapeutic development directions, potentially encouraging alternative approaches or collaborative arrangements.

References

[1] United States Patent and Trademark Office (USPTO). Patent Database.
[2] Patent Family Documents. WIPO PATENTSCOPE.
[3] Scientific Literature and Patent Corpora. Journal of Medicinal Chemistry, 2018.
[4] Industry Reports on Drug Patent Strategy, 2022.


Note: Specific patent claim language, filing and issue dates, and assignee details should be verified through official USPTO resources for precise analysis.

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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 ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
>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 ⤷  Start Trial
Australia 2023200843 ⤷  Start Trial
Australia 2025204628 ⤷  Start Trial
Brazil 112020012018 ⤷  Start Trial
Canada 3085787 ⤷  Start Trial
China 111655241 ⤷  Start Trial
China 119157876 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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