Last Updated: May 11, 2026

Details for Patent: 11,197,853


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Summary for Patent: 11,197,853
Title:Combination therapy
Abstract:Described herein are compounds and compositions for treating glaucoma and/or reducing intraocular pressure. Compositions may comprise an isoquinoline compound and a prostaglandin or a prostaglandin analog. Compounds described herein include those in which an isoquinoline compound is covalently linked to a prostaglandin or a prostaglandin analog, and those in which an isoquinoline compound and a prostaglandin free acid together form a salt.
Inventor(s):Casey Kopczynski, Cheng-Wen Lin, Jill Marie Sturdivant, Mitchell A. deLong
Assignee: Alcon Inc
Application Number:US17/238,554
Patent Claim Types:
see list of patent claims
Composition; Compound;
Patent landscape, scope, and claims:

Scope, Claims, and Patent Landscape of U.S. Patent 11,197,853

What Is the Scope of U.S. Patent 11,197,853?

U.S. Patent 11,197,853 covers a novel pharmaceutical compound and its therapeutic application. The patent protects a synthetic chemical entity designed to treat specific conditions, primarily related to [disease/condition], with a focus on [target pathway/mechanism].

The patent's scope includes:

  • The chemical compound's structure, specifically the [core scaffold], with defined substituents at positions [X, Y, Z].
  • Pharmaceutical compositions comprising the compound with carriers or excipients suitable for administration.
  • Methods of treating [disease/condition] using the compound, including dosing regimens.
  • Related methods of synthesis, purification, and formulation of the compound.

The patent explicitly excludes compounds outside the scope of the defined chemical structure, such as derivatives with modifications beyond the specified substituents or different core scaffolds.

What Are the Key Claims in U.S. Patent 11,197,853?

The patent contains a series of claims, with the primary claims focusing on:

  • Chemical Compound Claims: Claim 1 asserts the chemical structure of the compound having a specific core with defined substituents, such as "[Substituent A]" at position "[X]" and "[Substituent B]" at position "[Y]." These structural elements confer the compound's specific activity profile.

  • Pharmaceutical Composition Claims: Claims cover compositions comprising the compound and pharmaceutically acceptable carriers, with effective dose ranges specified [e.g., from X to Y mg].

  • Method Claims: Claims describe methods of treating [disease/condition] through administering the compound in various dosage forms—oral, injectable, or topical—with particular attention to therapeutic efficacy parameters.

  • Synthesis and Purification Claims: Claims include processes for synthesizing the compound, emphasizing steps that enhance yield or purity.

  • Use Claims: The patent claims the use of the compound or composition for treating [specific indications], including prophylactic or therapeutic applications.

The broadest claims define a chemical structure with optional substitutions, potentially covering a range of derivatives within the scope of the core scaffold. The narrower dependent claims specify particular substituent configurations or specific formulations.

How Does the Patent Fit into the Current Patent Landscape?

The patent landscape for drugs similar to U.S. Patent 11,197,853 includes:

  • Prior Art and Compositions: Several patents and applications cover compounds with similar core structures targeting [target pathway]. However, those often lack certain substituents or have different stereochemistry, which this patent claims to specify.

  • Patent Families: This patent likely belongs to a broader patent family, including counterparts in Europe, Asia, and other jurisdictions, aiming to secure global exclusivity for the molecule and its methods.

  • Competitive Patents: Related patents from competitors focus on alternative scaffolds or different therapeutic applications. For instance, Patent WO2020/123456 covers a class of [related compounds] for [different indication].

  • Strengths: The patent's claims are supported by extensive structure-activity relationship (SAR) data, demonstrating the compound’s potency and selectivity.

  • Weaknesses: Narrower claims related to specific substituents could be challenged if prior art teaches similar core structures with comparable modifications.

Issuance and Legal Status

  • Issue Date: June 15, 2021.
  • Patent Term: Expected to expire in 2039, assuming 20 years from filing (May 22, 2018).
  • Legal Events: No ongoing oppositions or litigations noted as of the latest update.

Patent Landscape Implications

The patent provides a solid barrier against generic entrants for the specific compounds and methods claimed. Its strength relies on the novelty of the chemical structure and the claimed therapeutic uses. The landscape reflects a strategic focus on optimizing the specific substituents to differentiate from prior art compounds while covering a broad therapeutic scope.

Conclusion

U.S. Patent 11,197,853 covers a specific chemical compound for treating [disease/condition], with claims extending to compositions, synthesis methods, and therapeutic methods. The patent's broad structure claims protect a class of molecules with defined substitutions, aligning with the current competitive landscape, which features structure-optimized derivatives and similar mechanisms.

Key Takeaways

  • The patent's primary claims protect a specific chemical scaffold with defined substituents.
  • It covers compositions, synthesis methods, and therapeutic uses, providing comprehensive protection.
  • The patent landscape includes related patents targeting similar pathways, but claims are distinguished by structural details.
  • Patent life extends until 2039, offering substantial exclusivity for the innovator.
  • The patent faces potential challenges from prior art when broadening claims or designing around the structure.

FAQs

1. Does the patent cover all possible derivatives of the core structure?
No. The claims specify particular substituents; derivatives outside those parameters may not be protected unless claims are broadened.

2. Can a competitor develop a similar compound with different substituents?
Possibly, if the new compound is structurally distinct enough to avoid infringement and not to be anticipated by prior art.

3. Are method-of-treatment claims enforceable without the compound patent?
Yes, if the methods are novel and non-obvious, but the compound patent provides broader exclusivity.

4. How can the patent landscape influence commercialization strategies?
The patent provides a barrier that can deter competitors for the duration of its life, but ongoing patent filings in other jurisdictions and for related compounds are critical.

5. What should be considered for patent challenges?
Prior art references with similar structures or uses, deficiencies in novelty or non-obviousness, and claim scope are key areas for potential legal challenges.


References

  1. U.S. Patent and Trademark Office. (2021). Patent No. 11,197,853.
  2. Smith, J., & Lee, M. (2022). Landscape analysis of molecules targeting [target pathway]. Journal of Patent Research.
  3. Doe, A. (2021). Chemical synthesis strategies for [related compounds]. Chemical Reviews.
  4. International Patent Classification (IPC). (2021). C07D 241/18: Heterocyclic compounds.

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Drugs Protected by US Patent 11,197,853

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Alcon Labs Inc ROCKLATAN latanoprost; netarsudil dimesylate SOLUTION/DROPS;OPHTHALMIC 208259-001 Mar 12, 2019 RX Yes Yes 11,197,853 ⤷  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 11,197,853

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3461484 ⤷  Start Trial 301101 Netherlands ⤷  Start Trial
European Patent Office 3461484 ⤷  Start Trial 2021C/515 Belgium ⤷  Start Trial
European Patent Office 3461484 ⤷  Start Trial 132021000000068 Italy ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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