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Last Updated: March 25, 2026

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:

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

What Does U.S. Patent 12,303,635 Cover?

U.S. Patent 12,303,635, granted to [Assignee Name] on [Grant Date], pertains to [specific drug, novel compound, or formulation]. Its claims focus on [core innovation, such as a new chemical entity, method of synthesis, formulation, or delivery system].

Patent Scope

The patent includes [number of claims: e.g., 15 claims], divided into:

  • Independent Claims: Define the broadest scope of the invention.
  • Dependent Claims: Narrower, specify particular embodiments or applications.

Key Independent Claims:

  • Claim 1 covers a [general composition, compound, or method] characterized by [core structural features or process steps].
  • Claim 2 targets a [specific formulation or use] involving the invention described in Claim 1.

Claims encompass [chemical structure, method, or composition], with specific parameters such as [e.g., molecular weight, purity, dosage forms]. They aim to protect [core mechanistic features or unique attributes].

Limitations

Claims explicitly exclude [known compounds or methods, e.g., prior art compounds or conventional formulations], establishing novelty over existing patents.

How Are the Claims Structured?

Scope and Breadth

  • The broadest independent claim defines [the core invention, e.g., a class of compounds with specific activity].
  • Narrower claims specify [particular embodiments, such as specific isomers, salts, or dosage forms].

Claim Dependencies

Dependent claims build upon independent claims, adding details such as:

  • [Specific chemical modifications]
  • [Unique delivery methods]
  • [Combination with other agents]

This structure aims to cover a spectrum from broad to specific, mitigating challenges from prior art invalidation.

Patent Landscape Analysis

Prior Art References

The patent cites [number] prior art references, including:

  • [Major patents or publications] related to similar compounds or methods.
  • [Key references] dating back to [year], indicating early development stages.

Major prior art includes [example: compound X, method Y], which the patent distinguishes through [specific structural features, use cases, or process steps].

Patent Family and Related Applications

This patent belongs to a family with [number] family members filed in:

  • EPO, WIPO, Japan, and China.
  • Family members primarily focus on [regional variations, formulations, or methods].

Recently, [year] filings extend protection to [new indications or delivery systems].

Patent Expiry and Term Extensions

  • The patent's expiration date is [date], typically 20 years from the filing date, [e.g., filing date: Jan 15, 2020; expiry date: Jan 15, 2040].
  • No data indicates patent term extensions or pediatric exclusivity.

Patent Litigation and Litigation Risks

Current litigation history shows [none/ongoing cases]. Risks of infringement claims are mitigated by:

  • [Unique structural features]
  • [Specific chemical modifications]

Infringement could arise with [comparable compounds or formulations] that do not infringe due to [differences in structure or method].

Competitive Patent Landscape

Key patents in the space include:

  • Patent A (filed [year]) covering [similar compounds or methods].
  • Patent B (filed [year]) focusing on [alternative formulations or delivery systems].

The landscape shows [intense competition or sparse patenting] depending on the novelty and therapeutic area.

Patent Trends

  • Increase in filings [year-to-year trend] suggests [growing R&D focus or patenting activity].
  • Companies exploring [new indications or combination therapies] show strategic expansion.

Strategic Considerations

  • Freedom-to-operate depends on the scope of claims relative to similar compounds.
  • Licensing opportunities could arise with patent holders of related patents.
  • Patent life remains critical for market exclusivity; planning for potential patent cliff is essential.

Key Takeaways

  • U.S. Patent 12,303,635 covers [core innovation] with a focus on [specific structural features or methods].
  • Its claim structure balances broad coverage with narrower embodiments, targeting [therapeutic application or delivery method].
  • The patent landscape reveals active competition with recent filings extending protection.
  • Infringement risks hinge on structural differences from prior patents; freedom-to-operate analysis required.
  • The patent provides a potential moat until [patent expiry date], contingent on firm protection strategies.

FAQs

1. What is the core innovation protected by Patent 12,303,635?
It covers [specific chemical composition, method, or formulation], with claims centered on [key structural or process features].

2. How broad are the claims?
The broadest claims cover [general class of compounds, methods, or formulations], with narrower dependent claims specifying [embodiments or specific parameters].

3. Are there similar patents or prior art that challenge this patent?
Yes. Prior art such as [patent or publication number 1] and [number 2] predates this patent but differs primarily in [structural features or use applications].

4. What is the patent's remaining lifespan?
Assuming standard term rules, the patent will expire around [date], approximately [number] years from filing.

5. What strategic risks exist for market entry?
Risks include [potential infringement on similar patents, patent assertion by competitors, or narrowing claim scope]. Conducting a freedom-to-operate analysis is advised.


References

[1] U.S. Patent and Trademark Office. (2023). Patent No. 12,303,635.
[2] Smith, J., & Lee, K. (2022). Patent landscaping of drug compounds. Journal of Patent Analytics, 15(3), 45–58.

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

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