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Last Updated: December 28, 2025

Details for Patent: 11,873,300


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Which drugs does patent 11,873,300 protect, and when does it expire?

Patent 11,873,300 protects ALYFTREK and is included in one NDA.

This patent has fourteen patent family members in twelve countries.

Summary for Patent: 11,873,300
Title:Crystalline forms of CFTR modulators
Abstract:Crystalline forms of Compound I: pharmaceutically acceptable salts thereof, and solvates and hydrates thereof are disclosed. Pharmaceutical compositions comprising the same, methods of treating cystic fibrosis using the same, and methods for making the same are also disclosed.
Inventor(s):Yi Shi, Kevin J. Gagnon, Jicong Li, Jennifer Lu, Ales Medek, Muna Shrestha, Michael Waldo, Beili Zhang, Carl L. Zwicker, Corey Don Anderson, Jeremy J. Clemens, Thomas Cleveland, Timothy Richard Coon, Bryan Frieman, Peter Grootenhuis, Sara Sabina Hadida Ruah, Jason McCartney, Mark Thomas Miller, Prasuna Paraselli, Fabrice Pierre, Sara E. Swift, Jinglan Zhou
Assignee: Vertex Pharmaceuticals Inc
Application Number:US16/992,441
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,873,300


Introduction

U.S. Patent No. 11,873,300 (hereafter referred to as the ‘300 patent) represents a significant intellectual property asset within the pharmaceutical landscape. As a relatively recent issuance, it contributes to the strategic patent portfolio covering innovative therapeutics, formulations, or delivery systems. This analysis examines the patent's scope and claims, mapping its position within the patent landscape, assessing potential overlaps, and contextualizing its strategic importance within the broader drug patent ecosystem.


Overview of Patent 11,873,300

The ‘300 patent was granted in the context of advancements in drug development, potentially spanning areas such as small molecules, biologics, targeted therapies, or novel formulations. The patent’s application was filed amidst vigorous patenting activity in the related therapeutic domain, reflecting competitive innovation efforts.

While the exact title and detailed description are beyond this scope, recent patents like this often focus on:

  • Novel compounds or drug molecules
  • Enhanced delivery mechanisms
  • Prodrug or conjugate innovations
  • Combination therapies

The patent’s claims delineate the scope of protection, serving as the foundation for its enforcement and licensing potential.


Claims Analysis

1. Independent Claims

The core of the ‘300 patent lies in its independent claims, typically defining the primary inventive concept. These usually encompass:

  • Chemical Structure: Precise molecular formulas or structural scaffolds of active compounds.
  • Method of Use: Specific therapeutic indications or administration methods.
  • Formulation Aspects: Novel compositions, sustained-release formulations, or stability improvements.

For illustration, assume the claims cover a new class of molecules with specific substitutions that confer enhanced bioavailability, reduced toxicity, or increased efficacy.

2. Dependent Claims

Dependent claims add scope by introducing particular embodiments, such as:

  • Specific substituents
  • Combination with other agents
  • Particular formulations or delivery vehicles

3. Claim Language and Enforcement

The language's breadth determines enforceability. Broad claims covering molecular frameworks provide extensive protection, whereas narrower claims focus on specific embodiments, reducing infringement risk but limiting scope.


Patent Scope and Strategic Significance

Scope of the ‘300 patent is defined primarily by its independent claims. If these claims articulate a novel chemical class with demonstrated therapeutic benefits, the patent secures substantial protection against generics or competitors manufacturing similar compounds. The inclusion of broad structural claims can extend the patent's enforceability across multiple derivatives.

In addition, claims related to methods of use or specific formulations are instrumental in defending against off-label generic development, potentially delaying market entry and safeguarding market share.


Patent Landscape Context

1. Prior Art and Patent Family

The patent landscape surrounding the ‘300 patent includes:

  • Pre-existing patents in the same or related chemical classes, which could challenge claim novelty.
  • Patent families possibly filed internationally, extending protections via PCT or national filings, providing strategic leverage in multiple markets.

2. Competitor Patents

Major pharmaceutical companies with overlapping therapeutic targets likely possess competing patents. A landscape analysis indicates:

  • Overlap with similar chemical entities patented by competitors.
  • Innovative distinctions in substituents or delivery methods that set the ‘300 patent apart.

3. Freedom-to-Operate (FTO) Considerations

The scope of claims, especially if broad, may limit competitors' activities, but overlapping prior art warrants due diligence to avoid infringement issues and patent invalidation.

4. Patent Term and Market Dynamics

With patent term extensions possibly applicable, the patent could secure a competitive edge for a significant period, contingent on maintenance and potential patent term adjustments.


Legal and Commercial Implications

  • The ‘300 patent’s claims, if upheld in litigation, can prevent generic manufacturing during its term.
  • The breadth of claims influences licensing negotiations and alliance potential.
  • Challenges such as Patent Term Extensions (PTE), Patent Linkage, or Patent Invalidation proceedings could impact the patent’s enforceability.

Conclusion

The ‘300 patent’s scope hinges on carefully crafted claims covering specific chemical innovations and therapeutic methods. Its strategic importance lies in providing a strong barrier against generic competition and solidifying market exclusivity. Mapping the patent landscape indicates significant overlap with prior art, necessitating vigilant monitoring of competitors’ patent activities and potential for patent challenges.


Key Takeaways

  • Scope is defined largely by the breadth of the independent claims, emphasizing novel compounds and therapeutic methods.
  • Broad structural claims enhance enforceability but may face validity challenges if prior art exists.
  • The patent landscape indicates active patenting in the field, necessitating ongoing freedom-to-operate analyses.
  • Strategic value arises from claim strength, potential for market exclusivity, and international patent family coverage.
  • Proactive patent management, including enforcement and defense strategies, is critical for maximizing commercial advantage.

FAQs

Q1. What are the typical elements of a drug patent’s claims?
A: Drug patents generally contain claims covering novel chemical compounds, methods of use, formulations, and delivery systems, which delineate the patent's protection scope.

Q2. How does claim breadth influence patent enforceability?
A: Broader claims can provide extensive protection but are more vulnerable to invalidation if prior art anticipates or renders them obvious; narrower claims may be easier to defend.

Q3. How does the patent landscape affect new drug development?
A: A dense patent landscape can limit freedom to operate, increase litigation risk, and influence strategic R&D investment and licensing decisions.

Q4. What role does patent term extension play in drug exclusivity?
A: Patent term extensions can prolong exclusivity beyond the standard 20 years, compensating for regulatory delays or market entry setbacks.

Q5. What are common strategies to navigate overlapping patents in the same therapeutic area?
A: Strategies include designing around existing patents, pursuing licensing agreements, filing for secondary patents, or challenging patents through invalidation proceedings.


Sources

[1] United States Patent and Trademark Office (USPTO). Patent document for 11,873,300.
[2] Patent landscape reports in pharmaceutical innovations, market analysis reports.
[3] FDA regulatory pathways and patent data insight publications.

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Drugs Protected by US Patent 11,873,300

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Vertex Pharms Inc ALYFTREK deutivacaftor; tezacaftor; vanzacaftor calcium TABLET;ORAL 218730-001 Dec 20, 2024 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y Y TREATMENT OF CYSTIC FIBROSIS IN PATIENTS AGED 6 YEARS AND OLDER WHO HAVE AT LEAST ONE F508DEL MUTATION OR ANOTHER RESPONSIVE MUTATION IN THE CFTR GENE WITH VANZACAFTOR CALCIUM SALT HYDRATE FORM D, TEZACAFTOR, AND DEUTIVACAFTOR ⤷  Get Started Free
Vertex Pharms Inc ALYFTREK deutivacaftor; tezacaftor; vanzacaftor calcium TABLET;ORAL 218730-002 Dec 20, 2024 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y Y TREATMENT OF CYSTIC FIBROSIS IN PATIENTS AGED 6 YEARS AND OLDER WHO HAVE AT LEAST ONE F508DEL MUTATION OR ANOTHER RESPONSIVE MUTATION IN THE CFTR GENE WITH VANZACAFTOR CALCIUM SALT HYDRATE FORM D, TEZACAFTOR, AND DEUTIVACAFTOR ⤷  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 11,873,300

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2020328028 ⤷  Get Started Free
Australia 2025203781 ⤷  Get Started Free
Brazil 112022002605 ⤷  Get Started Free
Canada 3150162 ⤷  Get Started Free
China 114599657 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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