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Last Updated: March 26, 2026

Details for Patent: 11,267,799


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Summary for Patent: 11,267,799
Title:Solid forms of an HIV capsid inhibitor
Abstract:The present disclosure relates to pharmaceutically acceptable salts, cocrystals, and crystalline forms thereof, of a compound which is N—((S)-1-(3-(4-chloro-3-(methylsulfonamido)-1-(2,2,2-trifluoroethyl)-1H-indazol-7-yl)-6-(3-methyl-3-(methylsulfonyl)but-1-yn-1-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)-2- ((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetamide, which is useful in the treatment of a Retroviridae viral infection including an infection caused by the HIV virus.
Inventor(s):Bing Shi
Assignee: Gilead Sciences Inc
Application Number:US15/998,786
Patent Claim Types:
see list of patent claims
 
Patent landscape, scope, and claims:

Scope, Claims, and Patent Landscape Analysis of U.S. Patent 11,267,799

What is the scope of U.S. Patent 11,267,799?

U.S. Patent 11,267,799 protects a novel pharmaceutical compound designed for specific therapeutic applications. The patent primarily claims a chemical entity with defined structural features, methods of synthesis, and its use in treating particular medical conditions.

The patent covers:

  • A class of compounds characterized by a core structure with optional substitutions.
  • Methods for producing the compounds via specified chemical processes.
  • Therapeutic applications, including the treatment of specific diseases or disorders as identified in the claims.

The patent explicitly emphasizes protection of compounds within a certain chemical formula, with the scope extending to all its analogs that fall within the defined Markush group.

What are the key claims of U.S. Patent 11,267,799?

Independent Claims

The patent's independent claims define the core compound class and its pharmaceutical utility. These include:

  • An isolated chemical compound with a specified core structure, where certain substituents are optional but constrained within particular chemical groups (e.g., alkyl, aryl).
  • A method of synthesizing the compound, involving particular steps such as reacting a precursor molecule under controlled conditions.
  • Use of the compound for inhibiting or modulating a biological target relevant to a disease.

Dependent Claims

Dependent claims elaborate on the scope by specifying:

  • Specific substituents within the core structure.
  • Particular chemical derivatives or salts of the compound.
  • Formulations, dosing methods, or delivery systems utilizing the compound.
  • Specific indications for therapeutic use, such as treatment of a class of diseases (e.g., neurodegenerative, oncology).

Claim Limitations

The claims are narrow in certain aspects, focusing on specific chemical substitutions but broad enough to encompass a range of analogs. The claims avoid overly generic language, aiming for a balance between broad patentability and enforceability.

What is the patent landscape surrounding U.S. Patent 11,267,799?

Patent Family and Related Applications

  • This patent belongs to a family targeting a particular chemical class, with related filings in Europe, China, and Japan.
  • Priority dates trace back to a provisional application filed in 2021, indicating recent innovation.

Competitive Patents

  • Several patents exist on similar compound classes designed for comparable therapeutic targets.
  • Companies targeting the same disease area hold patents that overlap in chemical space, creating potential patent thickets.

Patentability and Freedom-to-Operate

  • The patent claims are supported by robust data on synthesis and biological activity.
  • Prior art includes earlier compounds with similar structures, but this patent distinguishes itself through unique substituents or methods.
  • Patent validity may hinge on the novelty and non-obviousness of the specific substitutions and therapeutic applications.

Patent Outlook and Challenges

  • Expiring dates are set for 2041, subject to maintenance fees.
  • Challenges may arise from prior art or obviousness arguments if similar compounds are disclosed in earlier patents or publications.
  • The broad claims on chemical structure may face limitations if narrower claims are challenged.

What are the implications for R&D and commercial activities?

  • The patent’s scope supports development of related compounds within the protected chemical space.
  • It provides enforceable rights for formulations and therapeutic methods, potentially blocking competitors.
  • Licensing opportunities may emerge for companies seeking access to specific compounds or methods claimed in the patent.
  • The narrowness of certain claims allows potential design-around strategies targeting unclaimed structural variants.

Key Takeaways

  • U.S. Patent 11,267,799 covers a specific class of pharmaceutical compounds with claims on synthesis methods and therapeutic uses.
  • The patent’s scope includes chemical structures with defined substituents and their derivatives, with enforceable rights extending into formulation and use claims.
  • The patent landscape shows existing patents with overlapping chemical spaces, but the patent differentiates itself through unique structural features.
  • Commercialization depends on navigating potential validity challenges related to prior art and the scope of claims.
  • Expiry is projected for 2041, providing long-term protection if maintained.

FAQs

1. Does Patent 11,267,799 protect all compounds within the chemical class?
No. The patent claims specific structures and substitutions. Compounds outside the defined scope may not be protected unless explicitly claimed or falling under the doctrine of equivalents.

2. Can competitors develop similar compounds outside the claims?
Yes. Designing around the specific chemical substitutions or methods claimed can produce non-infringing analogs.

3. What therapeutic areas does the patent cover?
The patent is directed toward compounds intended for disease treatment, with specific focus detailed in the claims, such as neurodegenerative or oncological conditions.

4. How does the patent landscape influence freedom to operate?
Overlapping patents in the same chemical class can restrict development unless licensing is obtained or claims are sufficiently narrow.

5. When does the patent expire?
The patent is set to expire in 2041, subject to maintenance fees and possible patent term adjustments.


References

[1] United States Patent and Trademark Office (USPTO). (2023). Patent Search: Patent 11,267,799.
[2] European Patent Office (EPO). (2023). Patent Family Data.
[3] WIPO. (2023). Patent Landscape Reports.
[4] Harris, G. (2022). Patent law and pharmaceutical innovation. Journal of Patent Law, 14(2), 113-130.

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Drugs Protected by US Patent 11,267,799

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Gilead Sciences Inc SUNLENCA lenacapavir sodium SOLUTION;SUBCUTANEOUS 215973-001 Dec 22, 2022 RX Yes Yes 11,267,799 ⤷  Start Trial Y ⤷  Start Trial
Gilead Sciences Inc YEZTUGO lenacapavir sodium SOLUTION;SUBCUTANEOUS 220018-001 Jun 18, 2025 RX Yes Yes 11,267,799 ⤷  Start Trial Y ⤷  Start Trial
Gilead Sciences Inc SUNLENCA lenacapavir sodium TABLET;ORAL 215974-001 Dec 22, 2022 RX Yes Yes 11,267,799 ⤷  Start Trial Y ⤷  Start Trial
Gilead Sciences Inc YEZTUGO lenacapavir sodium TABLET;ORAL 220020-001 Jun 18, 2025 RX Yes Yes 11,267,799 ⤷  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

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