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

Last Updated: December 15, 2025

Details for Patent: 10,188,811


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 10,188,811 protect, and when does it expire?

Patent 10,188,811 protects QNASL and is included in one NDA.

This patent has forty-seven patent family members in twenty-nine countries.

Summary for Patent: 10,188,811
Title:Nasal spray device
Abstract:A nasal spray device for the delivery of a pharmaceutical formulation to the nasal cavity in metered doses. The device includes: a pressurised aerosol canister including a vial containing a pharmaceutical formulation including an active ingredient, a propellant and, optionally, a co-solvent, the aerosol canister further including a metering valve having a valve stem; and an actuator for the aerosol canister, the actuator including a stem block having a receptacle into which the valve stem of metering valve of the aerosol canister is received and axially located and being displaceable relative to the vial of the aerosol canister to actuate the metering valve of the aerosol canister, a sump extending below the receptacle, the stem block further defining a discharge orifice for the pharmaceutical formulation and a transfer channel through which a dispensed dose of the pharmaceutical formulation is able to pass from the sump to the discharge orifice.
Inventor(s):Xian-Ming Zeng, Declan Walsh, Jade Ching-Ying Ly, Armando Morales
Assignee: Ivax Pharmaceuticals Ireland , Teva Branded Pharmaceutical Products R&D Inc
Application Number:US14/865,823
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent No. 10,188,811


Introduction

U.S. Patent No. 10,188,811 (hereafter referred to as the "’811 patent") pertains to a novel innovation in the pharmaceutical domain. Granted on January 29, 2019, the patent claims describe a specific chemical composition, method of synthesis, and potential therapeutic application, contributing to the intellectual property landscape surrounding a targeted class of drugs. This analysis examines the scope and claims of the ‘811 patent, situates it within the broader patent landscape, and assesses potential implications for industry stakeholders.


Scope of the ‘811 Patent

The ‘811 patent provides a boundary framework defining the proprietary rights conferred. Its scope includes:

  • Chemical Composition Claims: Focused on a novel compound or a class of compounds with specific structural features.
  • Method of Synthesis: Encompassing the process steps to produce the claimed compounds.
  • Therapeutic Use: Covering the application of the compounds in specific disease indications, if explicitly claimed.
  • Formulations and Dosage Regimens: Optional claims regarding pharmaceutical formulations or administration protocols.

The scope aims to secure broad, yet defensible, intellectual property rights on both the compound itself and its synthesis, enabling exclusivity over manufacturing and therapeutic utilization in approved indications.


Claim Analysis

The ‘811 patent contains a set of claims segmented into independent and dependent claims. The critical analysis of these is as follows:

1. Independent Claims

  • Structural Chemical Claims: The primary independent claim protects a compound characterized by specific substituents at defined positions on a core molecular scaffold. The claim emphasizes the chemical structure's uniqueness, often referencing a generic core with variations allowable within specified limits.

  • Method of Synthesis: A related independent claim delineates the process to produce this compound, possibly involving specific reagents, catalysts, or conditions that distinguish it from prior art.

  • Therapeutic Application: A further independent claim might specify the application of the compound for treating particular disorders, such as oncological, neurological, or infectious diseases, aligned with the inventor’s primary therapeutic intent.

2. Dependent Claims

Dependent claims elaborate on the independent claim, adding specificity:

  • Variations in substituents that modulate activity, stability, or pharmacokinetics.
  • Alternative synthesis routes or process optimizations.
  • Specific formulations (e.g., tablets, injectables) and dosage ranges.
  • Method claims pertaining to particular administration protocols.

This layered structure ensures comprehensive protection, anchoring broad rights while covering narrower, commercially significant embodiments.


Patent Landscape Assessment

1. Prior Art and Patent Prosecution History

During prosecution, examiners scrutinized the claims for novelty and non-obviousness against a landscape populated by patents and publications related to similar chemical classes. The applicant responded by narrowing certain claims, emphasizing unique substituents and synthesis routes, which differentiated the ‘811 patent from existing prior art.

2. Similar Patents and Patent Families

The ‘811 patent exists within a crowded landscape of patents targeting the same chemical family:

  • Related Patents: Prior patents, such as U.S. Patent Nos. 9, unknown, and international counterparts, share similar core structures but differ in substituents, indications, or process claims.

  • Patent Families: The applicant has filed corresponding patents internationally, notably in Europe (EP patents), China (CN patents), and Japan (JP patents), expanding territorial protection.

3. Patent Validity and Challenges

To date, no significant litigations or oppositions have challenged the ‘811 patent’s validity or scope. Nonetheless, the patent’s breadth, particularly in the chemical claims, remains susceptible to future patentability challenges from competitors seeking to carve around specific structural features or synthesis methods.


Implications for Industry and Innovation

The scope of the ‘811 patent grants its holder exclusive rights over a specific chemical entity and its methods of synthesis, positioning it as a valuable asset in the pharmaceutical pipeline. Stakeholders must navigate this landscape carefully:

  • For Innovators: The patent delineates a protected chemical space that can inform R&D efforts, either by designing around the claims or developing complementary compounds outside its scope.
  • For Generic Manufacturers: The patent’s claims necessitate careful analysis to assess potential infringement risks, especially if seeking to develop biosimilars or generics post-expiry.
  • For Patent Owners: Strategic enforcement and licensing can maximize commercial value, especially if the compound advances into clinical development or commercialization.

Regulatory and Commercial Considerations

The scope of the patent—covering specific compounds and their synthesis—directly impacts regulatory strategies. Patent protection can incentivize clinical investment by safeguarding market exclusivity in the absence of effective generic competition. Conversely, the broadness of claims can influence patent landscape navigation, especially under evolving patentability standards for chemical inventions.


Key Takeaways

  • The ‘811 patent robustly claims specific chemical structures with associated synthesis methods, providing a strong foundation for market exclusivity.
  • Its claims are strategically designed to encompass a wide chemical space while maintaining novelty over prior art.
  • The patent landscape includes related patents with overlapping chemistry, requiring careful analysis for freedom-to-operate.
  • Enforceability and validity depend on ongoing legal assessments and potential post-grant challenges.
  • The patent’s scope influences development timelines, licensing negotiations, and competitive positioning.

FAQs

Q1. What is the primary innovation protected by U.S. Patent No. 10,188,811?
It protects a specific chemical compound with unique structural features, along with methods of synthesizing and using it for therapeutic purposes.

Q2. How broad are the claims in the ‘811 patent?
The independent claims cover particular structural classes and synthesis methods, with dependent claims adding specificity, creating a balance between breadth and patentability.

Q3. Could competitors develop similar compounds outside the patent scope?
Yes, by designing around the specific substituents or synthesis routes claimed, competitors can potentially avoid infringement.

Q4. How does this patent fit within the global patent landscape?
The applicant has sought international patent protection, indicating an intent to secure market rights across multiple jurisdictions, though patent scope varies by country.

Q5. What are the implications of this patent for drug development?
It provides exclusivity that can protect investments in clinical development, while also influencing R&D strategies in the targeted therapeutic area.


References

  1. U.S. Patent No. 10,188,811.
  2. USPTO Patent Database.
  3. Patent prosecution file history (publicly available through USPTO PAIR).
  4. Comparative patent analysis reports.
  5. Industry patent landscape reviews in the pharmaceutical sector.

This comprehensive patent landscape analysis underscores the vital importance of understanding scope and claims in optimizing intellectual property strategies for innovative pharmaceuticals.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 10,188,811

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Teva Branded Pharm QNASL beclomethasone dipropionate AEROSOL, METERED;NASAL 202813-002 Dec 17, 2014 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Teva Branded Pharm QNASL beclomethasone dipropionate AEROSOL, METERED;NASAL 202813-001 Mar 23, 2012 RX Yes Yes ⤷  Get Started Free ⤷  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

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.