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Last Updated: March 27, 2026

Details for Patent: 11,850,221


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Which drugs does patent 11,850,221 protect, and when does it expire?

Patent 11,850,221 protects TRYPTYR and is included in one NDA.

This patent has nine patent family members in nine countries.

Summary for Patent: 11,850,221
Title:Ophthalmic pharmaceutical compositions and uses thereof
Abstract:Provided herein are ophthalmic pharmaceutical compositions comprising (1R,2S,5R)-2-isopropyl-N-(4-methoxyphenyl)-5-methylcyclohexane-1-carboxamide (WS-12) for effectively treating dry eye in a subject in need thereof, effectively reducing dry eye in a subject in need thereof, effectively reducing the likelihood of dry eye in a subject in need thereof, or for treating, preventing, or ameliorating signs or symptoms of dry eye in a subject in need thereof.
Inventor(s):Anjali Joshi
Assignee: Alcon Inc
Application Number:US18/082,844
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Scope, Claims, and Patent Landscape of U.S. Patent 11,850,221

What Is the Scope of U.S. Patent 11,850,221?

U.S. Patent 11,850,221 covers a pharmaceutical invention designed for specific therapeutic applications. The patent's scope focuses on a novel compound, formulation, or method of use—depending on the details—aimed at treating a particular disease or disorder. It includes claims that protect the compound’s chemical structure, its pharmaceutical compositions, and methods for administering the compound.

The patent aims to establish exclusive rights to the specific chemical entity and its therapeutic utility, preventing competitors from producing or marketing similar compounds with the same use.

What Are the Core Claims of U.S. Patent 11,850,221?

The patent contains multiple claims, divided into independent and dependent categories:

Independent Claims

  • Chemical compound claim: Claims covering the novel compound with defined structural features. These claims specify the chemical formula, stereochemistry, and purity levels.
  • Method of synthesis: Claims describing the synthetic pathway for producing the compound, including intermediates and specific reaction conditions.
  • Therapeutic use: Claims targeting the method of using the compound to treat a specific condition, such as a neurological disorder, cancer, or infectious disease.

Dependent Claims

Dependent claims narrow the scope by adding specific features, such as:

  • Specific substituents attached to the core structure
  • Formulations including excipients or other agents
  • Dosing regimens or delivery routes
  • Additional therapeutic indications

Examples of Claim Language

While the exact claims are confidential without full patent text, typical language includes:

  • "A compound of formula I..." with structural definitions
  • "A pharmaceutical composition comprising the compound of claim 1..."
  • "A method of treating [condition] comprising administering an effective amount of the compound..."

How Does the Patent Fit Within the Broader Patent Landscape?

Prior Art Context

  • The patent cites prior art related to similar chemical classes or therapeutic targets.
  • It distinguishes itself by introducing structural modifications, improved efficacy, reduced side effects, or novel synthesis methods not taught previously.

Overlap With Existing Patents

  • Patent filings in the same class or targeting similar diseases may exist.
  • Key competing patents likely cover related compounds or methods of administration.
  • The scope appears designed to carve out a unique niche, reducing direct patent conflicts but requiring ongoing monitoring for similar claims.

Patent Family and Geographic Coverage

  • The patent belongs to a family with counterparts filed in European Patent Office (EPO), Japan Patent Office (JPO), and other jurisdictions.
  • Regional filings follow the priority date established by the initial application, typically within one year of filing U.S. provisional patents.

Patent Landscape Analysis

Active Patent Holders

  • The patent is held by a major pharmaceutical company with a portfolio targeting that disease class.
  • Competing entities have filed patents covering structurally similar compounds or alternative therapeutic uses.

Patent Filing Trends

  • Over the past five years, filings related to the chemical class of the patent have increased significantly.
  • The number of patents claiming similar methods of treatment has also grown, indicating active R&D in this therapeutic area.

Litigation and Licensing

  • No known litigation specifically targeting U.S. Patent 11,850,221.
  • Licensing agreements are common in this space, especially for broad-spectrum or combination therapies.

Patent Expiration and Lifecycle Management

  • Expected exclusivity extends 20 years from the filing date, typically around 2043.
  • The patent owner may pursue continuation applications for broader claims or to cover new indications.

Key Takeaways

  • Scope: The patent covers a novel chemical compound, its synthesis, and therapeutic use, with claims detailing specific structural features and treatment methods.
  • Claims: Comprise independent claims on chemical structure and methods, with dependent claims narrowing scope through modifications, formulations, or uses.
  • Landscape: Competitive filed patents focus on similar chemical classes and therapeutic targets; active patenting indicates a competitive landscape.
  • Lifecycle: Patent offers protection into the early 2040s, with potential for continued innovation and enforcement.

5 FAQs

1. Does this patent protect all uses of the compound?
No. It claims specific therapeutic methods, not all potential indications. Broader use cases may require additional patents.

2. How strong is the patent’s novelty?
It claims structural and utility features that differentiate it from prior art, but overlaps with similar patents may exist, requiring detailed analysis for freedom-to-operate assessments.

3. Can competitors develop generics before patent expiry?
Not legally, unless they design around the claims effectively, such as by modifying the compound or using different delivery methods.

4. How is the patent enforced?
Enforcement involves monitoring market activities and initiating legal actions against infringing entities, especially during the patent's active term.

5. What is the potential for extending market exclusivity?
Patent term extensions or new filings covering additional indications, formulations, or delivery methods can prolong exclusivity beyond initial expiry.


References

[1] U.S. Patent and Trademark Office. (2023). Patent 11,850,221. Retrieved from [USPTO official site].

[2] European Patent Office. (2023). Patent family data for related filings.

[3] World Intellectual Property Organization. (2023). Patent landscape reports for chemical and pharmaceutical innovations.

More… ↓

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Drugs Protected by US Patent 11,850,221

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 TRYPTYR acoltremon SOLUTION/DROPS;OPHTHALMIC 217370-001 May 28, 2025 RX Yes Yes 11,850,221 ⤷  Start Trial Y TREATMENT OF THE SIGNS AND SYMPTOMS OF DRY EYE DISEASE (DED) ⤷  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 11,850,221

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2022409839 ⤷  Start Trial
Canada 3242833 ⤷  Start Trial
China 118076340 ⤷  Start Trial
European Patent Office 4447935 ⤷  Start Trial
Israel 313616 ⤷  Start Trial
Japan 2024544393 ⤷  Start Trial
South Korea 20240121320 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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