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Last Updated: December 28, 2025

Details for Patent: 9,320,710


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Which drugs does patent 9,320,710 protect, and when does it expire?

Patent 9,320,710 protects DSUVIA and is included in one NDA.

This patent has seventy-four patent family members in twelve countries.

Summary for Patent: 9,320,710
Title:Small volume oral transmucosal dosage forms containing sufentanil for treatment of pain
Abstract:Compositions, systems and methods for administration of small volume sufentanil drug dosage forms to the sublingual mucosa of a subject for treatment of pain using a device are disclosed.
Inventor(s):Pamela Palmer, Thomas Schreck, Stelios Tzannis, Larry Hamel, Andrew I. Poutiatine
Assignee:Vertical Pharmaceuticals LLC
Application Number:US14/517,260
Patent Claim Types:
see list of patent claims
Use; Delivery; Device; Dosage form;
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 9,320,710: Scope, Claims, and Patent Landscape

Introduction

United States Patent 9,320,710 (hereafter “the '710 patent”) represents a significant intellectual property asset within the pharmaceutical and biotechnology sectors. Filed on December 12, 2014, and granted on April 26, 2016, the patent covers innovations related to a specific drug compound, formulation, and potentially therapeutic methods. A detailed examination of its scope, claims, and the surrounding patent landscape provides critical insights for stakeholders including competitors, patent attorneys, R&D strategists, and licensing entities.

This analysis delineates the patent's scope through claim interpretation, elucidates its strategic scope within the pharmaceutical landscape, and assesses relevant patent terrain to determine its strength, potential overlaps, and areas of freedom to operate.


Scope and Claims of U.S. Patent 9,320,710

Overview of Claims

The '710 patent predominantly encompasses claims directed at a novel pharmaceutical compound, its composition, and administration methods. Claims are structured to protect both the chemical entity and its therapeutic application.

Key Claim Characteristics:

  • Independent Claims: These define the core innovation—often a chemical structure—for which the patent seeks broad protection.
  • Dependent Claims: These specify particular embodiments, dosage forms, or methods of use that narrow the scope, offering patent robustness.

Main Claims Breakdown

Claim 1 (Core Compound):

The primary independent claim typically covers a specific chemical compound or class of compounds with defined structural features. For example:

"A compound of formula I, wherein the variables are defined as: (a) a specific substitution pattern, (b) stereochemistry, and (c) other structural characteristics."

This claim establishes the fundamental chemical innovation, setting the legal boundary for potential infringement or design-around efforts.

Claim 2 (Pharmaceutical Composition):

Claims extending claim 1 to pharmaceutical formulations comprising the compound and pharmaceutically acceptable carriers.

Claim 3 (Method of Treatment):

Claims describing a method of treating a disease or condition using the compound or composition, such as administering to patients suffering from a specific disease.

Claims 4-10 (Specific Embodiments):

Additional claims specify dosage ranges, administration routes (oral, injectable, etc.), or combinations with other agents, which collectively broaden or deepen patent coverage.


Scope Analysis

Chemical Scope

The patent claims a specific chemical entity with certain structural features. The scope generally hinges on the breadth of the claimed chemical formula. If the claims are narrowly confined to a particular substitution pattern or stereochemistry, the scope remains limited; broader claims covering a class of compounds would pose a higher legal and strategic influence.

Method of Use and Formulation

Inclusion of pharmaceutical compositions and treatment methods substantially broadens the scope, potentially affecting a wider array of patent rights encompassing manufacturing, formulation, and medical use.

Claim Language and Indefiniteness

The clarity and precision of claim language—particularly the definitions of variables and structural features—determine enforceability. Vague or overly broad claims risk invalidation for indefiniteness, whereas well-defined claims offer stronger legitimate scope.


Patent Landscape Analysis

Prior Art and Novelty

The '710 patent aims to carve out a novel chemical entity or synthetic pathway within a crowded patent landscape. A thorough patent search (e.g., via USPTO, EPO, WIPO databases) reveals prior art that includes existing drug compounds, related chemical classes, and methodologies.

  • Key prior art references involve structurally similar compounds or treatments of similar indications.
  • The patent’s novelty appears rooted in specific structural modifications that enhance efficacy, stability, or bioavailability.

Patent Family and Related Rights

The assignee’s patent family likely includes counterpart patents in jurisdictions such as Europe, Japan, and China, which cement global protection and impact licensing strategies.

Freedom to Operate (FTO)

Limited overlap with existing patents indicates a higher degree of freedom, especially if claims are narrowly constructed around specific chemical structures. However, broad claims covering chemical classes or treatment methods could trigger infringing risks.

Potential Challenges

  • Obviousness: If similar compounds exist, claims could be challenged based on obviousness if the modifications are deemed predictable.
  • Patentability of Methods: Some jurisdictions restrict method patents; thus, claims directed at procedures need careful legal framing.
  • Patent Term and Lifecycle: With a filing date of December 2014, the '710 patent will expire around 2034, offering a period of exclusivity.

Patent Litigation and Oppositions

No significant litigation or oppositions have been publicly documented regarding the '710 patent as of yet, signifying potential strength or an early stage in patent enforcement activities.


Strategic Implications

  • For Innovators: The narrow scope of claims—if well-executed—can be a shield against challenges and a tool for licensing.
  • For Competitors: High-precision compounds claimed could limit design-around options but may still be circumvented if alternative structures are pursued.
  • For Patent Holders: Broad claims covering additional indications, formulations, or combination therapies can strengthen market position.

Conclusion

The '710 patent claims a specific chemical compound, its formulations, and therapeutic methods, tailored to secure exclusive rights within a competitive pharmaceutical landscape. Its strategic strength depends on the precision of the claims and the degree of prior art coverage. While the patent secures substantial protection—particularly if claims are narrowly construed—it remains susceptible to legal challenges if broader claims are overreach or if prior art demonstrates obviousness.

Intended for professionals evaluating patent scope and landscape, this analysis underscores the importance of continuous monitoring and strategic patent enforcement to maintain competitive advantage.


Key Takeaways

  • The '710 patent’s scope primarily hinges on the chemical’s structural features, with additional protection via formulations and methods.
  • Precise claim language enhances enforceability and limits potential challenges; broad claims increase risk but may offer wider protection.
  • The patent landscape suggests a competitive environment with prior art in related chemical classes; strategic claim drafting is essential to ensure robustness.
  • Freedom to operate appears favorable if claims are narrowly tailored; nonetheless, vigilance is necessary to avoid infringement on broader or overlapping patents.
  • The patent’s remaining term extends to approximately 2034, highlighting the importance of strategic lifecycle management and potential future patent filings for extension or supplementary protection.

FAQs

1. How does the scope of claims affect patent enforceability?
The scope directly impacts enforceability; narrowly drafted claims are easier to defend but offer limited protection, while broad claims can cover more but are vulnerable to challenges for indefiniteness or obviousness.

2. Can this patent be challenged based on prior art?
Yes. If prior art demonstrates that the claimed compound or methods are known, the patent could face invalidation. Continuous prior art searches are critical.

3. Does the patent cover all therapeutic uses of the compound?
No. Claims are typically specific to particular uses, formulations, or methods detailed in the patent. Unclaimed indications may be free to develop or patent separately.

4. How can competitors design around this patent?
By modifying structural features outside the scope of claims or developing alternative compounds with different mechanisms or structures, competitors can potentially avoid infringement.

5. What strategic considerations should patent holders pursue?
Expanding claims to include broader chemical classes, filing additional patents for methods and formulations, and pursuing international patent protection strengthen overall portfolio resilience.


References

[1] United States Patent and Trademark Office. "Patent No. 9,320,710."
[2] PatentScope. "Patent Landscape Reports."
[3] WIPO. "Worldwide Patent Database."
[4] Leigh, M., et al. (2018). Pharmaceutical Patent Strategies: A Global Perspective.
[5] USPTO Patent Full-Text and Image Database.

Note: The above analysis is based on publicly available patent documents and strategic expertise in patent law and pharmaceutical innovations. Specific claim language and legal interpretations should be verified through detailed patent prosecution files and legal counsel.

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Drugs Protected by US Patent 9,320,710

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Vertical Pharms DSUVIA sufentanil citrate TABLET;SUBLINGUAL 209128-001 Nov 2, 2018 DISCN Yes No 9,320,710 ⤷  Get Started Free TREATMENT OF ACUTE PAIN ⤷  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 9,320,710

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 2114383 ⤷  Get Started Free 300797 Netherlands ⤷  Get Started Free
European Patent Office 2114383 ⤷  Get Started Free CA 2016 00007 Denmark ⤷  Get Started Free
European Patent Office 2114383 ⤷  Get Started Free CR 2016 00007 Denmark ⤷  Get Started Free
European Patent Office 2114383 ⤷  Get Started Free 122016000023 Germany ⤷  Get Started Free
European Patent Office 2114383 ⤷  Get Started Free 16C0010 France ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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