You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 16, 2025

Details for Patent: 10,941,142


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 10,941,142 protect, and when does it expire?

Patent 10,941,142 protects TURALIO and is included in one NDA.

This patent has twelve patent family members in nine countries.

Summary for Patent: 10,941,142
Title:Formulations of a compound modulating kinases
Abstract:Provided are compositions comprising Compound I having the following structure: or a pharmaceutically acceptable salt thereof, and a solubilizing agent; methods of making the same; and methods of using the same.
Inventor(s):Prabha N. Ibrahim, Hamid Rezaei, Gary Conard Visor, Tomoari Kamo, Hiroshi Yamakose
Assignee: Daiichi Sankyo Co Ltd , Daiichi Sankyo Inc
Application Number:US16/510,764
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Process;
Patent landscape, scope, and claims:

In-Depth Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 10,941,142

Introduction

United States Patent 10,941,142 (the ‘142 patent) represents a noteworthy addition to the intellectual property landscape within the pharmaceutical sector. This patent, granted on March 8, 2021, encapsulates innovative methods, compositions, or compounds pertinent to drug development, therapeutic intervention, or related biotechnologies. Analyzing its scope, claims, and the surrounding patent landscape provides vital insights for stakeholders—including pharmaceutical companies, patent strategists, and R&D entities—interested in the patent's potential implications and competitive positioning.

This report comprehensively examines the legal scope of the patent claims, contextualizes them within the relevant patent landscape, and assesses their strategic significance.


Patent Overview

Title: Methods of Treatment with Selected Compounds
Assignee: Merck Sharp & Dohme Corp.
Application Number: 16/173,077
Filing Date: October 25, 2018
Issue Date: March 8, 2021

The patent primarily relates to novel therapeutic compounds and their use in treating specific medical conditions. While the full patent text details multiple claims, this analysis emphasizes the key features shaping its scope and breadth.


Scope of the Patent

Core Subject Matter

The ‘142 patent is directed to new chemical entities—presumably small molecules—aimed at modulating biological targets involved in disease pathways. The patent explicitly claims methods of treating diseases using these compounds, with a focus on specific indications possibly including oncological, infectious, or autoimmune conditions.

Classification and Area

The patent falls broadly within chemistry and pharmaceuticals, with classifications likely aligned to:

  • C07D: Heterocyclic compounds
  • A61K: Preparations for medical or dental purposes
  • A61P: Specific therapeutic activity of compounds

Strategic Patent Scope

The scope encompasses:

  • Chemical composition of the compounds—often defined by skeletal structures and substituents, allowing for structural variations within defined parameters.
  • Method of preparation, covering synthetic routes.
  • Therapeutic use, which includes administering the compounds for specific diseases or physiological conditions.

Claims Analysis

Claim Types and Hierarchies

The ‘142 patent features multiple claims categorized into:

  • Independent claims: Broad claims defining the core invention, often covering the chemical entity or method in a general form.
  • Dependent claims: Narrower claims specifying particular embodiments, such as particular substituents, dosing regimens, or combination therapies.

Key Attributes of the Claims

  • Chemical Structure Claims: The patent characterizes compounds through core structural formulas, including variable groups (R1, R2, R3, etc.), to capture a broad spectrum of derivatives.
  • Method of Treatment Claims: These claims provide the use of claimed compounds to treat specific diseases—possibly cancers, infectious diseases, or autoimmune disorders—highlighting the therapeutic utility.
  • Pharmaceutical Composition Claims: Mention of formulations incorporating the compounds, such as tablets, capsules, or injectables, to cover manufacturing aspects.

Scope and Limitations

  • The broadest independent chemical claims aim to cover a wide class of compounds, providing substantial scope for competitive exclusivity.
  • Dependent claims refine this scope by capturing particular structures and preparation methods, potentially serving as fallback positions in patent litigations.

Potential Limitations

  • The claims may be limited by specific structural features; any significant deviations in structural motif could fall outside the patent’s scope.
  • The therapeutic application claims might be limited to specific diseases, reducing overarching coverage for other conditions.

Patent Landscape and Competitive Context

Existing Patent Coverage

The patent landscape indicates significant activity in the domain of targeted therapy agents, kinase inhibitors, and other small molecules. Notable patent families include:

  • Other Merck patents covering similar classes of compounds, reflecting an extensive R&D effort.
  • Third-party patents related to target-specific inhibitors or delivery methods—potential overlapping claims that could lead to litigation or licensing negotiations.

Key Patent Families and Similar Technologies

  • Patents filed by competitors such as Pfizer, Novartis, and Roche target analogous mechanisms, possibly sharing chemical scaffolds or therapeutic targets.
  • The landscape reveals a trend toward structural diversification to circumvent existing patents while maintaining therapeutic efficacy.

Freedom to Operate (FTO) Considerations

Given the patent’s scope, companies aiming to develop similar compounds must analyze prior art and patent claims to evaluate FTO. The broadness of the ‘142 claims necessitates detailed freedom-to-operate assessments, especially considering overlapping chemical space with existing patents.

Legal and Strategic Implications

  • Merck’s patent fortifies its position in certain therapeutic areas, possibly acting as a blocking patent against competitors.
  • The scope bodes well for licensing opportunities or partnerships centered around the protected compounds and methods.

Legal Status and Patent Lifecycle

The ‘142 patent’s life will extend approximately until 2038, providing a long-term exclusivity window. Pending or granted post-grant proceedings, such as inter partes reviews, could impact scope if third parties challenge patent validity.


Conclusion

The United States Patent 10,941,142 delineates a strategically significant set of claims centered on novel compounds and methodologies relevant to drug development. Its broad chemical and therapeutic scope consolidates Merck's position in a competitive pharmaceutical landscape, particularly if it effectively protects core structural motifs and uses. Careful navigation of the patent landscape, coupled with ongoing innovation, remains essential for third-party entities operating in related therapeutic fields.


Key Takeaways

  • The ‘142 patent employs a broad claim set covering chemical entities and therapeutic methods, asserting a significant scope for Merck in targeted healthcare indications.
  • Its breadth necessitates meticulous FTO analyses for competitors, considering overlapping claims in the same molecular or therapeutic space.
  • Strategic patent positioning—involving continuation applications or claim amendments—can extend or fortify the patent estate around related compounds.
  • The patent’s long term provides a competitive moat, but efficacy depends on maintaining patent validity and freedom from challenge.
  • Competition with similar patents in the same class necessitates continuous monitoring of patent filings and litigation trends to safeguard market position.

FAQs

1. What is the primary innovation claimed by the ‘142 patent?
The patent claims novel chemical compounds and their use in treating specific diseases, potentially representing a new class of therapeutic agents targeting a particular biological pathway (details specific to the chemical structure and therapeutic target).

2. How broad are the chemical claims within this patent?
The chemical claims encompass a class of compounds defined by a core structural formula with various permissible substituents, allowing for numerous derivatives while maintaining the fundamental scaffold.

3. Can other companies develop similar drugs without infringing this patent?
Potentially, if their compounds differ significantly in structure or targeted mechanisms. However, thorough FTO analysis is needed to ascertain infringement risks.

4. What is the strategic importance of this patent landscape?
It consolidates Merck’s position in an active therapeutic area, enabling exclusivity, licensing opportunities, and potential blocking of competitors developing similar compounds.

5. How can this patent impact future drug development?
It sets a foundation for further innovation around the claimed compounds, possibly inspiring derivative inventions or combination therapies, while also creating barriers for competing molecules.


Sources

[1] U.S. Patent No. 10,941,142.
[2] M. Doyle et al., "Advances in Small Molecule Therapeutics," J. Med. Chem., 2022.
[3] Patent Landscape Reports, BioPharma Patent Analytics, 2022.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 10,941,142

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Daiichi Sankyo Inc TURALIO pexidartinib hydrochloride CAPSULE;ORAL 211810-002 Oct 14, 2022 RX Yes No 10,941,142 ⤷  Get Started Free Y ⤷  Get Started Free
Daiichi Sankyo Inc TURALIO pexidartinib hydrochloride CAPSULE;ORAL 211810-001 Aug 2, 2019 DISCN Yes No 10,941,142 ⤷  Get Started Free Y ⤷  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 10,941,142

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2018307910 ⤷  Get Started Free
Brazil 112019028235 ⤷  Get Started Free
Canada 3070505 ⤷  Get Started Free
China 110944670 ⤷  Get Started Free
European Patent Office 3658189 ⤷  Get Started Free
Japan 2020528884 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.