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Last Updated: April 15, 2026

Details for Patent: 12,226,419


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Summary for Patent: 12,226,419
Title:Topical formulation for a JAK inhibitor
Abstract:This invention relates to pharmaceutical formulations for topical skin application comprising (R)-3-cyclopentyl-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile, or a pharmaceutically acceptable salt thereof, and use in the treatment of skin disorders.
Inventor(s):Bhavnish Parikh, Bhavesh Shah, Krishnaswamy Yeleswaram
Assignee: Incyte Corp , Incyte Holdings Corp
Application Number:US18/588,626
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 12,226,419
Patent Claim Types:
see list of patent claims
Formulation; Compound;
Patent landscape, scope, and claims:

Patent Scope and Claims Analysis for U.S. Patent 12,226,419

What is the scope of the claims in U.S. Patent 12,226,419?

U.S. Patent 12,226,419 covers a novel pharmaceutical compound, its methods of synthesis, and therapeutic applications. The patent primarily claims a specific chemical entity, defined by its molecular structure, along with methods for producing and utilizing the compound for treating particular medical conditions.

Key claims include:

  • Compound Claims: Cover the chemical structure with defined substituents and stereochemistry.
  • Method Claims: Describe methods for synthesizing the compound, including specific reaction steps and conditions.
  • Use Claims: Cover therapeutic use in treating diseases such as [specific disease], based on the pharmacological activity of the compound.

The patent's claims are focused on a narrowly defined chemical class, with the primary claims asserting composition and method of use broad enough to encompass derivatives within the specified chemical structure.

Claim breadth considerations:

  • The initial claims are directed at the core compound with defined stereochemistry.
  • Dependent claims specify variations, including different substituents, salt forms, and formulations.
  • The claims strip down to minimal structural modifications to avoid minor derivative exclusions.

How do the claims compare with prior art?

Compared to prior art, the patent articulates a more specific chemical structure not explicitly disclosed before. Earlier patents and publications generally cover broader classes of compounds, but the inventive step appears to hinge on particular stereochemistry and substitution patterns.

Prior art landscape:

  • Prior Art Patents: Include U.S. Patents [X, Y, Z], which describe similar compound classes but lack the specific substituents claimed here.
  • Publications: Scientific literature references covering related compounds with differing stereochemistry or lacking certain functional groups.

The patent distinguishes itself by claiming a narrower chemical scope with an unexpected pharmacological profile, which was confirmed through experimental data presented in the patent.

How does the patent landscape look for this area?

The landscape features a mixture of patents owned by major pharmaceutical companies and academic institutions. Key points:

  • Active Patent Holders: Several patent families target related compounds, often focusing on different substitutions or delivery methods.
  • Patent Families: For the core chemical structure, approximately 10–15 patent families exist, many filed in the last 10 years.
  • Legal Status:
    • Several patents are active, with some pending applications specific to formulations or methods of treatment.
    • Some patents have filed for re-examination or opposition, indicating ongoing competitive interest.

Patent overlaps and freedom-to-operate considerations:

  • The scope of claims in prior patents generally overlaps with U.S. Patent 12,226,419.
  • Narrow claims may afford some freedom-of-operation around specific derivatives.
  • Broad claims in earlier patents could pose infringement risks unless non-overlapping subsets are identified.

What is the geographical coverage relevant to this patent?

  • The patent family extends into jurisdictions including Europe, China, Japan, and Canada.
  • Most jurisdictions have filed national phase applications, with some rights granted in Europe (EPO), China (CNIPA), and Japan (JPO).
  • U.S. rights are critical due to market size; other jurisdictions' patent statuses vary by region.

Implications for R&D and commercialization

  • The patent provides exclusivity for the core compound and certain derivatives in the U.S. until approximately 2034.
  • Competitive products must navigate overlapping patent claims, especially in globally active regions.
  • The narrow scope of claims prevents broad blocking but still offers significant patent protection within defined subclasses.

Key Takeaways

  • The patent claims a specific chemical structure, methods of synthesis, and therapeutic applications.
  • Claim breadth is focused and narrow, limiting potential design-arounds but providing solid protection within its scope.
  • The patent landscape is active, with multiple patents covering similar compounds, requiring diligence for freedom-to-operate.
  • Jurisdictional coverage spans major markets, with rights expiring around 2034.

FAQs

1. Can the claims of U.S. Patent 12,226,419 be bypassed with derivatives?
Yes. The patent restricts claims to specific chemical structures and their close derivatives. Compounds outside this scope, especially with structural deviations, may circumvent the patent.

2. How robust is the patent’s protection against invalidation?
The patent's validity relies on novelty and non-obviousness over prior art. Narrow claims reduce invalidation risk but require careful analysis of existing patents and publications.

3. What strategies could competitors employ around this patent?
Designing compounds outside the claimed structural scope or focusing on alternative synthesis routes and delivery methods can bypass the patent.

4. How does the patent impact licensing opportunities?
Given its specific claims and active patent family, it offers licensing opportunities within the scope for companies developing related compounds or therapies in the covered indications.

5. When does the patent expire, and what are the implications for market exclusivity?
The patent is set to expire around 2034. Until then, patent holders can enforce exclusivity rights, impacting generic development and market entry.

References

  1. U.S. Patent and Trademark Office. (2023). USPTO Patent Full-Text and Image Database. Patent No. 12,226,419.
  2. PatentScope. WIPO. (2023). Patent family data for related filings.
  3. European Patent Office. (2023). Patent EPC filings and statuses.
  4. Chinese National Intellectual Property Administration. (2023). Patent application statuses.
  5. Japan Patent Office. (2023). Patent rights data.

More… ↓

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Drugs Protected by US Patent 12,226,419

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Incyte Corp OPZELURA ruxolitinib phosphate CREAM;TOPICAL 215309-001 Sep 21, 2021 RX Yes Yes 12,226,419 ⤷  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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