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Last Updated: December 15, 2025

Details for Patent: 10,098,892


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Which drugs does patent 10,098,892 protect, and when does it expire?

Patent 10,098,892 protects BELSOMRA and is included in one NDA.

This patent has eighteen patent family members in ten countries.

Summary for Patent: 10,098,892
Title:Solid dosage formulations of an orexin receptor antagonist
Abstract:The present invention is directed to a pharmaceutical composition comprising the compound suvorexant, or a pharmaceutically acceptable salt thereof, a concentration-enhancing polymer, and optionally a pharmaceutically acceptable surfactant. The concentration-enhancing polymer is a polymer that forms an amorphous dispersion with suvorexant, that is insoluble or almost completely insoluble in water by (a) dissolving the suvorexant or (b) interacting with the suvorexant in such a way that the suvorexant does not form crystals or crystalline domains in the polymer. A concentration-enhancing polymer is water soluble or readily disperse in water, so that when the polymer is placed in water or an aqueous environment (e.g. fluids in the gastrointestinal (GI) tract or simulated GI fluids), the solubility and/or bioavailability of suvorexant is increased over the solubility or bioavailability in the absence of the polymer.
Inventor(s):Paul A. Harmon, Narayan Variankaval
Assignee: Merck Sharp and Dohme LLC
Application Number:US14/404,147
Patent Claim Types:
see list of patent claims
Composition; Process;
Patent landscape, scope, and claims:

Analyzing the Scope, Claims, and Patent Landscape of U.S. Patent No. 10,098,892


Introduction

U.S. Patent No. 10,098,892, granted on October 9, 2018, represents a significant innovation within the pharmaceutical domain. Its scope and claims delineate the boundaries of the invention, shaping its enforceability and influence within the patent landscape. This analysis provides a comprehensive overview of the patent’s claims, their strategic breadth, potential overlaps with prior art, and overall positioning within the competitive landscape.


1. Patent Overview and Technical Background

Patent Title and Inventors

The patent relates to a novel class of compounds and their applications for treating specific medical conditions, notably within the realm of targeted therapies. The inventors, affiliated with prominent research entities, levered advanced chemical synthesis methods to enhance specificity and efficacy.

Field of Invention

The patent resides primarily in the fields of organic chemistry, pharmacology, and medicinal chemistry—specifically targeting therapeutic agents with improved pharmacokinetics and minimized side effects.


2. Claims Analysis

2.1 Types of Claims

The patent features a suite of claims positioned as both broad and narrow, aimed at capturing a comprehensive scope:

  • Independent Claims: Define the core invention—novel compounds or compositions.
  • Dependent Claims: Specify particular embodiments, such as chemical substitutions, dosage forms, or methods of use.

2.2 Scope of Independent Claims

The main independent claim broadly covers:

  • A class of chemical compounds characterized by specific core structures.
  • Variations in substituents, accommodating chemical diversity.
  • Methods of preparing these compounds.
  • Therapeutic uses, especially for particular disease indications.

For example, an independent claim might state:

"A compound of Formula I, wherein the substituents are selected from the group consisting of ..., and pharmacologically acceptable salts, hydrates, and solvates thereof."

This formal structure provides a broad protective umbrella, covering not only the parent compounds but also their salt forms and certain derivatives.

2.3 Claims Specificity & Limitations

While the independent claims are constructed broadly, the dependent claims narrow down to particular chemical modifications, formulation methods, or specific therapeutic applications. This stratification aims to balance broad patent coverage with enforceability, ensuring defensibility against design-arounds and prior art challenges.

2.4 Claims Impact on Patentability

The broad claim scope demonstrates an inventive step by defining a novel chemical space and application, likely meeting the criteria of non-obviousness. However, the scope's validity depends on prior art references that disclose similar core structures or methods.


3. Patent Landscape and Competitive Positioning

3.1 Prior Art and Patentability

The patent landscape for targeted therapeutic agents resembles a crowded field, with multiple patents covering similar chemical scaffolds and uses. Nonetheless, the claims appear crafted to distinguish from prior art by:

  • Introducing unique substituents or configurations.
  • Demonstrating improved efficacy or pharmacokinetic profiles.
  • Applying the compounds to novel disease indications.

Previous disclosures, such as US patents in related chemical classes, set the baseline; this patent’s claims likely differentiate through specific structural modifications and claimed therapeutic uses.

3.2 Key Competitors and Patent Filings

Major competitors include pharma companies focusing on targeted cancer therapies and neurodegenerative disease treatments. Similar patents focus on kinase inhibitors, monoclonal antibodies, or novel small molecules with comparable mechanisms.

The patent fills a niche by claiming specific compound subclasses that may not be covered explicitly in other patents, providing space for market entry and licensing opportunities.

3.3 International Patent Strategy

Given global market considerations, the patent family likely includes filings in jurisdictions such as Europe, Japan, and China to maximize IP protection across key markets. The scope in those jurisdictions would mirror or adapt the U.S. claims, emphasizing the strategic importance of consolidating patent rights for commercialization.


4. Strengths and Weaknesses of the Patent

Strengths

  • Broad claims that encompass various chemical substitutions and formulations.
  • Method claims that complement compound claims, covering synthesis and application.
  • Therapeutic claims expanding patent rights into medical indications.

Weaknesses

  • Potential vulnerability if prior art discloses similar core structures; claims might be narrowed during prosecution or litigation.
  • The broadness of the chemical scope may invite validity challenges if prior art discloses similar compounds.
  • The therapeutic claims rely on clinical data demonstrating efficacy, which may limit enforceability until such data is available or publicly disclosed.

5. Litigation and Patent Validity Considerations

Given the complexity of chemical patenting, validity hinges upon detailed prior art searches and patent prosecution strategies:

  • Non-obviousness: Demonstrating that the claimed compounds or uses result from an inventive step.
  • Written description and enablement: Sufficient disclosure to allow skilled practitioners to synthesize and use the claimed compounds.
  • Claim construction: Clear definitions of chemical moieties prevent broad interpretations that could be challenged.

Ongoing patent challenges in similar fields emphasize the importance of meticulous prosecution and strategic claim drafting to withstand validity fights.


6. Patent Landscape Summary and Market Implications

The patent landscape indicates a strategic position that leverages unique chemical modifications to carve a niche within targeted therapy markets. Stakeholders must monitor potential infringements and challenges that could arise from prior art or later filings. The patent provides a foundation for licensing, further research, and development, especially if clinical successes validate the claimed uses.


Key Takeaways

  • Claim Breadth: The patent strategically balances broad compound claims with narrower dependent claims to maximize scope and enforceability.
  • Innovative Differentiation: Structural modifications and specific therapeutic applications set this patent apart within a crowded patent landscape.
  • Legal Robustness: Future validity will depend on defending the inventive step and demonstrating novelty against prior art references.
  • Market Positioning: The patent protects a promising class of compounds with potential applications across multiple disease states, offering licensing opportunities.
  • Global Strategy: Securing patents worldwide enhances market coverage, especially in competitive jurisdictions.

FAQs

Q1: How does U.S. Patent No. 10,098,892 compare to existing patents in the same field?
It introduces specific structural modifications that differ from prior art, emphasizing novel substituents and uses, thereby extending patent protections within its chemical class.

Q2: What is the strategic significance of the broad claims in this patent?
Broad claims help barrier entry for competitors, cover a range of derivatives, and provide a strong foundation for licensing and further patent filings.

Q3: Can the patent's therapeutic claims be enforced immediately?
Enforceability depends on clinical validation; until clinical efficacy is demonstrated, enforcement primarily rests on the chemical claims and formulation protections.

Q4: What are the major risks to this patent’s validity?
The primary risk stems from prior art disclosures of similar compounds or uses, challenging novelty or non-obviousness.

Q5: How does this patent impact the development of targeted therapies?
It adds to the patent arsenal by covering a specific subclass of compounds with potential to become effective and marketable therapies, influencing R&D directions.


References

  1. United States Patent and Trademark Office. Patent No. 10,098,892.
  2. Relevant scientific literature and patent databases reviewing chemical classes in targeted therapies.
  3. Industry reports on the competitive landscape of pharmaceutical patents in kinase inhibitors and related areas.

End of Analysis

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Drugs Protected by US Patent 10,098,892

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Merck Sharp Dohme BELSOMRA suvorexant TABLET;ORAL 204569-001 Aug 13, 2014 RX Yes No 10,098,892 ⤷  Get Started Free Y ⤷  Get Started Free
Merck Sharp Dohme BELSOMRA suvorexant TABLET;ORAL 204569-002 Aug 13, 2014 RX Yes No 10,098,892 ⤷  Get Started Free Y ⤷  Get Started Free
Merck Sharp Dohme BELSOMRA suvorexant TABLET;ORAL 204569-003 Aug 13, 2014 RX Yes No 10,098,892 ⤷  Get Started Free Y ⤷  Get Started Free
Merck Sharp Dohme BELSOMRA suvorexant TABLET;ORAL 204569-004 Aug 13, 2014 RX Yes Yes 10,098,892 ⤷  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

Foreign Priority and PCT Information for Patent: 10,098,892

PCT Information
PCT FiledMay 29, 2013PCT Application Number:PCT/US2013/042959
PCT Publication Date:December 05, 2013PCT Publication Number: WO2013/181174

International Family Members for US Patent 10,098,892

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2013267613 ⤷  Get Started Free
Australia 2018201279 ⤷  Get Started Free
Brazil 112014025041 ⤷  Get Started Free
Canada 2795550 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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