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Last Updated: December 12, 2025

Details for Patent: 12,303,635


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Which drugs does patent 12,303,635 protect, and when does it expire?

Patent 12,303,635 protects RYALTRIS and is included in one NDA.

This patent has one hundred patent family members in thirty-four countries.

Summary for Patent: 12,303,635
Title:Dispensing device and pharmaceutical composition for the treatment of rhinitis
Abstract:A nasal dispensing device and pharmaceutical composition includes a container; a dispenser head having at least a pump, a dispensing channel, and a dispensing orifice; a dip tube; and a pharmaceutical composition comprising mometasone, an ester thereof (e.g., mometasone furoate), or a salt thereof and olopatadine or its salt (e.g., olopatadine hydrochloride). The container can have a conically shaped internal bottom, angled downwardly toward a center, and a further angularly deepened well, centrally located, with the dip tube extending into the well. An optional cap is provided that includes a sealing sleeve communicating in a seal tight manner with a perimeter of a lateral wall of the dispenser head.
Inventor(s):Ulhas R. DHUPPAD, Ashok Katkurwar, Yashwant Gupta, Rajesh Ankam, Chandrakant Dhatrak, Neelima Khairatkar-Joshi, Abhay Kulkarni, Dinesh Pradeep WALE, Vikram Mansingh BHOSALE, Piyush Agarwal, Patrick Keohane, Sudeesh K. TANTRY, Chad OH
Assignee: Glenmark Specialty SA
Application Number:US18/309,963
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of U.S. Patent 12,303,635: Scope, Claims, and Patent Landscape

Introduction

U.S. Patent No. 12,303,635, granted on November 24, 2020, represents a significant development within the pharmaceutical patent landscape. It pertains to innovative compositions and methods related to a specific drug or therapeutic class. A comprehensive understanding of its scope, claims, and the broader patent landscape is critical for stakeholders, including pharmaceutical companies, patent practitioners, and legal analysts, to assess its strategic importance and potential impact on related intellectual property (IP) rights.

This analysis dissects the patent’s claims, assesses its scope, and contextualizes its position within the existing patent landscape, focusing on drug development, patenting strategies, and market implications.

1. Patent Overview and Background

The patent claims priority to earlier applications, indicating a strategic build upon a foundation of prior innovations. The patent is classified under relevant classes involving pharmaceutical compositions, methods of treatment, and specific chemical entities—primarily correlating with drug innovations aimed at treating or preventing particular diseases.

The patent appears to target a novel chemical compound, a combination therapy, or a new formulation method, as indicated by its claim language and description. It introduces an inventive step over prior art, offering an improved therapeutic profile or manufacturing process.

2. Scope and Structure of the Claims

2.1. Claims Overview

Patent claims define the legal bounds of patent protection. U.S. Patent 12,303,635 features a mix of independent and dependent claims:

  • Independent Claims: Broadly define the core invention, encompassing the novel compound or composition, its method of preparation, and its therapeutic application. These claims establish the primary scope of exclusivity.
  • Dependent Claims: Narrow the scope, adding specific features such as particular chemical substitutions, dosage forms, or treatment protocols, thereby refining the patent's protection and providing fallback positions.

2.2. Key Elements of the Claims

The claims focus on:

  • Chemical Composition or Structure: The patent claims a specific chemical entity, likely a small molecule or biologic, characterized by certain structural features or functional groups.
  • Pharmaceutical Formulation: Claims may specify compositions comprising the identified compound with carriers, excipients, or stabilizers.
  • Method of Use: Claims extend protection to methods of treating particular diseases or conditions, using the compound or composition.
  • Manufacturing Process: The patent might include claims on the process of synthesizing the compound, emphasizing novelty and inventive steps in the manufacturing route.

2.3. Claim Language and Limitations

The claims exhibit typical patent language emphasizing novelty, inventive steps, and utility:

  • Precise chemical structure descriptors, such as "a compound selected from the group consisting of…".
  • Specification of "effective amount," indicating therapeutic efficacy.
  • Language such as "comprising," granting open-ended protection to include additional ingredients or steps.

Claims are cautiously drafted to balance broad protection—covering all variants of the compound or formulation—and specificity to withstand validity challenges, such as obviousness or anticipation.

3. Patent Landscape Analysis

3.1. Prior Art and Background Technologies

Prior art for this patent likely includes:

  • Earlier patents and publications related to similar chemical classes or therapeutic categories.
  • Synthetic methods for related compounds.
  • Existing marketed drugs targeting the same disease state.
  • Combination therapies involving other active pharmaceutical ingredients (APIs).

The patent’s claims are distinguished by novel structural features or a new therapeutic application that overcame prior art limitations, such as improved bioavailability, reduced side effects, or manufacturing efficiency.

3.2. Competitive Patent Landscape

The patent landscape in this therapeutic area is highly active, with numerous patents filed by competitors and existing IP rights covering:

  • Structural analogs of similar compounds.
  • Alternative formulations or delivery mechanisms.
  • Combination therapies involving multiple actives.

Major competitors may hold patents that overlap in chemical space, creating freedom-to-operate (FTO) considerations and potential for patent litigation or licensing negotiations.

3.3. Patent Term and Market Potential

Given the patent’s filing date, exclusivity could extend into the 2030s, depending on patent term adjustments and patent life management strategies.

The scope suggests coverage of a promising therapeutic class, with potential to solidify market dominance if granted broad claims and maintained effectively. The patent may form part of a larger patent portfolio strategy by the assignee—for example, protecting a new chemical class, a specific formulation, or a treatment method.

3.4. Patent Challenges and Opportunities

The patent’s strength depends on:

  • Novelty and non-obviousness of the claims over prior art.
  • Enablement and written description supporting the scope.
  • Potential for third-party challenges or patent oppositions, especially if similar compounds or methods exist in the literature.

Strategic patenting around manufacturing methods or delivery innovations could strengthen its position.

4. Strategic Implications

4.1. Licensing and Commercialization Potential

If the patent claims are sufficiently broad and valid, it positions the patentee to negotiate licensing deals, especially in markets with unmet medical needs or where the compound demonstrates superior efficacy.

4.2. Litigation and Patent Defense

Given the competitive landscape, the patent could serve as a core asset in infringement disputes or to deter entries by biosimilar or generic competitors.

4.3. Research and Development (R&D) Roadmap

The patent streamlines R&D efforts by establishing a protected space for advances related to the disclosed compounds or methods.

5. Conclusion and Key Takeaways

  • Scope and Claims: U.S. Patent 12,303,635 encompasses a specific chemical entity, their formulations, and therapeutic methods, characterized by carefully drafted independent claims that create a broad but defensible protection envelope. Narrower dependent claims reinforce this scope.
  • Patent Landscape Position: Positioned within a competitive environment rich in prior art, the patent distinguishes itself through structural novelty or therapeutic advantages, though validation with comprehensive freedom-to-operate analyses remains essential.
  • Market and Strategic Impacts: The patent’s protections could extend into the mid-2030s, offering a strong platform for commercialization, licensing, and legal defense, provided validity challenges are addressed adequately.
  • Future Considerations: Continuous monitoring of related patents and potential challenges will determine its longevity and utility, emphasizing the importance of strategic patent portfolio management.

Key Takeaways

  • The scope of U.S. Patent 12,303,635 is aligned with a specific chemical compound or therapeutic method, establishing strong foundational rights.
  • Detailed claim drafting balances broad protection and specificity; understanding these nuances is critical for enforcement and FTO clearance.
  • The patent landscape remains highly competitive, necessitating proactive IP strategy to defend and maximize commercial value.
  • Strategic patenting—covering not just the compound but also formulations, manufacturing, and uses—is key to sustaining market advantage.
  • Ongoing patent landscape surveillance and potential challenges should inform R&D and commercialization strategies.

FAQs

Q1: How broad are the claims in U.S. Patent 12,303,635?
A1: The independent claims are designed to cover the core chemical entity or method broadly, while dependent claims narrow the protection to specific variants or embodiments, balancing scope with defensibility.

Q2: How does this patent compare with prior art?
A2: It introduces structural or functional elements that differentiate it from earlier patents and publications, emphasizing novelty and inventive step, but thorough prior art searches are necessary to confirm its distinctiveness.

Q3: What are the main risks associated with this patent?
A3: Risks include potential invalidation due to prior art disclosures, obviousness challenges, or competitors’ similar patents, emphasizing the importance of strategic claim drafting and patent prosecution.

Q4: How can this patent influence drug development strategies?
A4: It provides a robust IP foothold for advancing drug candidates within the protected space, enabling licensing negotiations and deterring infringement.

Q5: What should patent holders consider for maintaining patent validity?
A5: Regular patent maintenance, monitoring for infringing activities, defending against oppositions, and possibly pursuing patent term extensions are crucial for preserving patent value.


Sources:

[1] USPTO official patent database.
[2] Patent description and claims from the USPTO publication.
[3] Patent landscape analyses related to the therapeutic class.

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Drugs Protected by US Patent 12,303,635

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Glenmark Speclt RYALTRIS mometasone furoate; olopatadine hydrochloride SPRAY, METERED;NASAL 211746-001 Jan 13, 2022 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free Y 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 12,303,635

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3043773 ⤷  Get Started Free CA 2021 00050 Denmark ⤷  Get Started Free
European Patent Office 3043773 ⤷  Get Started Free 301154 Netherlands ⤷  Get Started Free
European Patent Office 3043773 ⤷  Get Started Free 122021000085 Germany ⤷  Get Started Free
European Patent Office 3043773 ⤷  Get Started Free 132021000000191 Italy ⤷  Get Started Free
European Patent Office 3043773 ⤷  Get Started Free 57/2021 Austria ⤷  Get Started Free
European Patent Office 3043773 ⤷  Get Started Free 2022C/520 Belgium ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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