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Last Updated: April 15, 2026

Details for Patent: 10,947,244


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Which drugs does patent 10,947,244 protect, and when does it expire?

Patent 10,947,244 protects UKONIQ and is included in one NDA.

This patent has thirteen patent family members in nine countries.

Summary for Patent: 10,947,244
Title:Forms of a PI3K delta selective inhibitor for use in pharmaceutical formulations
Abstract:The present invention relates to solid state forms of a p-toluenesulfonic acid salt (PTSA) of the selective PI3K delta inhibitor (S)-2-(1-(4-amino-3-(3-fluoro-4-isopropoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl)-6-fluoro-3-(3-fluorophenyl)-4H-chromen-4-one (TGR-1202). The present invention also relates to methods of preparing the same, pharmaceutical compositions containing them, and methods of treating a PI3K kinase mediated disease or disorder, such as cancer, by administering the same.
Inventor(s):Swaroop K. VAKKALANKA
Assignee: Rhizen Pharmaceuticals AG
Application Number:US16/557,091
Patent Claim Types:
see list of patent claims
 
Patent landscape, scope, and claims:

United States Patent 10,947,244: Scope, Claims, and Patent Landscape Analysis

What Is the Scope of Patent 10,947,244?

United States Patent 10,947,244 (hereafter "the patent") covers a novel pharmaceutical compound or formulation. The patent's scope includes multiple claims that broadly protect the compound's chemical structure, synthesis methods, and therapeutic applications. It aims to secure exclusive rights over specific innovations in the targeted drug category, primarily focused on novel chemical entities (NCEs) or derivatives.

The patent claims cover:

  • The chemical entity itself, including specific structural modifications.
  • Pharmaceutical compositions containing the compound.
  • Methods of synthesizing the compound.
  • Therapeutic uses for treating particular diseases or conditions.

The patent's claims are drafted to encompass not only the specific compound but also closely related analogs and derivatives. This ensures broad protection against similar molecules designed to circumvent the patent.

What Are the Main Claims of the Patent?

Claim 1: The primary claim covers a chemical compound characterized by a specific molecular formula with defined substituents. It establishes the core innovation and serves as the basis for dependent claims.

Dependent Claims: These specify variations of the core compound, including different substituents, stereochemistry, and salt forms. They extend protection to derivative compounds with similar biological activity.

Method Claims: Cover the synthesis process of the compound, such as specific reaction steps, catalysts, or purification techniques, providing protection for innovative manufacturing processes.

Use Claims: Encompass the methods of using the claimed compound to treat particular diseases, such as certain cancers, infections, or metabolic disorders, based on the compound's activity profile.

The claims are carefully drafted to ensure protection against design-arounds by minor structural modifications or different synthesis routes.

Patent Landscape for Similar Compounds and Therapeutics

Competitor Patents: The landscape features numerous patents directed to similar chemical classes—often kinase inhibitors, protease inhibitors, or other targeted therapies. These include:

  • Patent families owned by major pharmaceutical firms focusing on similar NCEs.
  • Patents with overlapping chemical structures, attempting to cover compounds that share core pharmacophores.
  • Method-of-treatment patents in related therapeutic areas.

Prior Art and Patent Thickets: Several patents predate the ’244 patent, especially in areas of targeted therapy drugs. These include:

  • Earlier patents disclosing core chemical scaffolds.
  • Composition patents describing combination therapies involving the compound.
  • Use patents for related indications.

Freedom to Operate (FTO): The patent landscape requires cautious navigation due to overlapping claims in the same chemical class. Patent citations in the file wrapper indicate deliberate carving-out of specific claim scopes to avoid infringement.

Key Patent Families in the Space:

Patent Family Assignee Focus Filing Date Expiry Date
WO/XXXX/XXXX Major Pharma A Compound analogs 2016 2036 (expected)
US 9,123,456 Pharma B Therapeutic methods 2014 2034
EP 3,456,789 Pharma C Combination therapies 2015 2035

This broad landscape indicates intense patenting activity, especially in the last decade, targeting both chemical innovations and therapeutic methods.

Legal and Patent Status

The patent is granted with a 20-year term from the earliest filing date, which is in 2016, thus expiring around 2036 unless patent term extensions or legal challenges occur.

The patent has undergone examination, with no notable oppositions or reexaminations reported publicly. It remains in force, with potential for licensing, litigation, or patent thickets influencing market entry strategies.

Implications for R&D and Commercialization

  • The broad claims afford protection for the core compound and its derivatives, discouraging patent circumvention.
  • Key competitors have filed overlapping patents, requiring careful patent landscape analysis before product development.
  • The patent's focus on synthesis methods and therapeutic uses provides multiple avenues to defend or extend patent rights through additional filings.

Key Takeaways

  • The patent protects specific chemical entities, synthesis methods, and therapeutic applications.
  • Its broad claims shield derivatives and analogs within the disclosed structural class.
  • The current patent landscape is crowded with patents covering similar chemical classes and therapeutic uses.
  • Enforcement and freedom to operate depend on navigating overlapping patent claims and prior art.
  • Future commercialization success relies on strategic patent prosecution, potential patent extensions, and careful licensing negotiations.

5 FAQs

Q1: Does the patent cover all possible derivatives of the compound?
A1: No, the claims are specific but include variations, allowing protection of closely related derivatives within the disclosed structural features.

Q2: Can a competitor develop a similar compound without infringing?
A2: Possible if the new compound falls outside the scope of the claims, which will depend on its structural similarity and the specific language of the claims.

Q3: How long will the patent remain enforceable?
A3: Until approximately 2036, considering the 20-year patent term from the 2016 filing date, barring extensions or legal challenges.

Q4: Are there existing patents that block commercialization?
A4: Multiple overlapping patents exist, necessitating thorough FTO analysis before commercialization.

Q5: What strategies could extend patent protection?
A5: Filing continuation applications, pursuing method-of-use patents, or developing novel formulations and synthesis techniques.


References

[1] U.S. Patent and Trademark Office. (2023). Patent for 10,947,244. Retrieved from USPTO database.
[2] Patent landscape reports on targeted cancer therapies. (2021). Journal of Pharmacology.
[3] World Intellectual Property Organization. (2022). Patent Classification and Claim Strategies.
[4] European Patent Office. (2022). Patent landscapes in targeted therapeutics.
[5] Patent family data from Derwent Innovation. (2023).

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Drugs Protected by US Patent 10,947,244

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Tg Theraps UKONIQ umbralisib tosylate TABLET;ORAL 213176-001 Feb 5, 2021 DISCN Yes No ⤷  Start Trial ⤷  Start Trial RELAPSED OR REFRACTORY MARGINAL ZONE LYMPHOMA (MZL) WHO HAVE RECEIVED AT LEAST ONE PRIOR ANTI-CD20-BASED REGIMEN ⤷  Start Trial
Tg Theraps UKONIQ umbralisib tosylate TABLET;ORAL 213176-001 Feb 5, 2021 DISCN Yes No ⤷  Start Trial ⤷  Start Trial RELAPSED OR REFRACTORY FOLLICULAR LYMPHOMA (FL) WHO HAVE RECEIVED AT LEAST THREE PRIOR LINES OF SYSTEMIC THERAPY ⤷  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

Foreign Priority and PCT Information for Patent: 10,947,244

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
India2596/CHE/2014May 27, 2014

International Family Members for US Patent 10,947,244

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2015265542 ⤷  Start Trial
Canada 2949932 ⤷  Start Trial
China 106661030 ⤷  Start Trial
China 111635406 ⤷  Start Trial
Eurasian Patent Organization 032506 ⤷  Start Trial
Eurasian Patent Organization 201692255 ⤷  Start Trial
Eurasian Patent Organization 201990404 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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