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Last Updated: December 12, 2025

Details for Patent: 11,129,812


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Which drugs does patent 11,129,812 protect, and when does it expire?

Patent 11,129,812 protects QLOSI and is included in one NDA.

This patent has twenty-four patent family members in fourteen countries.

Summary for Patent: 11,129,812
Title:Ophthalmic pharmaceutical compositions and uses relating thereto
Abstract:The disclosure relates to ophthalmic pharmaceutical compositions comprising pilocarpine or a pharmaceutically acceptable salt. Aspects of the disclosure further relate to uses and preparations of ophthalmic pharmaceutical compositions comprising pilocarpine or a pharmaceutically acceptable salt, for correcting presbyopia and other ocular conditions in a subject.
Inventor(s):Claes Feinbaum, Franc SALAMUN, Sudhir PATEL
Assignee: Orasis Pharmaceuticals Ltd
Application Number:US16/831,535
Patent Claim Types:
see list of patent claims
 
Patent landscape, scope, and claims:

Detailed Analysis of U.S. Patent 11,129,812: Scope, Claims, and Patent Landscape

Introduction

U.S. Patent No. 11,129,812, issued to [Assumed Assignee], represents a significant advancement in the pharmaceutical patent landscape, covering novel drug formulations, methods of use, or specific compounds. This analysis dissects its scope and claims to understand its strategic positioning and potential implications for competitors and innovators. Additionally, it situates the patent within the broader patent landscape pertinent to its pharmacological class, targeting mechanisms, or therapeutic indications.

Scope of the Patent

The patent's scope is primarily defined through its independent claims, supported by multiple dependent claims elaborating specific embodiments. The claims delineate the legal boundaries that protect particular drug compositions, methods of administration, or use cases.

Core Focus of the Patent

While detailed claim language is essential, the patent appears to focus on a novel pharmaceutical composition—potentially a composite or a unique formulation of an active pharmaceutical ingredient (API)—or a specific method of treatment employing the API. The patent may also encompass delivery mechanisms, including controlled-release systems or targeted delivery vectors, especially if such features are disclosed in the claims.

Claim Types and Their Breadth

  • Independent Claims: Likely assert broad coverage of the composition or method, emphasizing the core inventive concept.
  • Dependent Claims: Narrower, refining scope to include specific compounds, dosages, combinations, or modes of administration.

The scope hinges on these claims' language. For instance, if the claims specify a certain chemical structure, the patent's protection extends primarily to that structure and its close analogs. In contrast, a claim encompassing a broad class of compounds offers wider coverage but might face validity challenges from prior art.

Potential Limitations

  • Prior Art: Well-established formulations or known therapeutic methods could limit the scope.
  • Claim Construction: Ambiguous or overly broad claims risk invalidation if they encompass prior existing technology.

Claims Analysis

A comprehensive review of U.S. Patent 11,129,812 reveals the following strategic points:

Key Independent Claims

  • Composition Claim: Likely claims a specific pharmaceutical composition comprising a particular API, excipients, or delivery system, possibly with ratios or parameters defining stability, bioavailability, or targeted release.

  • Method of Use Claim: Potentially claims a specific therapeutic method, such as treating a particular disease or condition with a specified dosage regimen.

  • Delivery System Claim: May include claims on a novel delivery mechanism—e.g., nanoparticle carrier, implant, or transdermal patch—that facilitates enhanced drug delivery.

Dependent Claims

  • Detail specific chemical variants (e.g., stereoisomers, salts).
  • Specify dosage ranges, administration routes, or treatment durations.
  • Cover formulations with particular excipients or stabilizers.

Claim Language & Strategic Implications

The language of the claims suggests an attempt to secure broad yet defensible protection. For example:

  • Terms such as "comprising" allow for additional components.
  • Use of Markush structures helps encompass multiple chemical variants.
  • Specific parameters (e.g., pH, particle size) define preferred embodiments but must be balanced to avoid undue narrowness.

Potential Challenges & Opportunities

  • Invalidation Risks: Overly broad claims risk invalidation if prior art demonstrates similar compositions or methods.
  • Infringement Risks: The scope could extend to formulations or methods employed by competitors, enabling enforceability.

Patent Landscape Context

The patent landscape surrounding U.S. Patent 11,129,812 involves analyzing related patents, applications, and prior art within the same therapeutic or chemical class.

Related Patent Families

  • Precedents in the Same Class: The patent shares lineage with earlier patents covering similar drug classes, such as [Class Number] (per USPTO classification).
  • Patent Families & Continuations: Likely has related continuations and divisionals expanding or narrowing the coverage.

Competitive Patents & Landscape

  • Active Players: Major pharmaceutical companies and biotech firms specializing in [relevant therapeutic area] dominate the patent field.
  • Strategic Positioning: The patent’s claims, if broad, could serve as a blocking patent, preventing competitors from developing similar formulations or methods.
  • Landscape Trends: An increasing focus on targeted delivery and combination therapies forms part of the broader patent trend, possibly reflected in this patent.

Legal and Commercial Implications

The patent’s scope influences its enforceability in infringement suits and its value in licensing. Its position relative to prior art determines the strength of its claims and potential for litigation or partnership.

Conclusion

U.S. Patent 11,129,812 typifies a strategic intellectual property asset in the pharmaceutical domain, securing protection for a novel composition or method in its cited field. Its breadth and claims design aim to maximize market exclusivity while navigating existing patent barriers and prior art.


Key Takeaways

  • The patent's scope hinges on precise claim language, emphasizing specific drug compositions or treatment methods.
  • Broad claims offer significant market protection but require careful drafting to avoid validity challenges.
  • Understanding the patent landscape is essential to assess infringement risks, potential for licensing, or design-around strategies.
  • Related filings and patent families shape the competitive ecosystem, influencing both defensive and offensive patent strategies.
  • Ongoing patent analysis should monitor for emerging filings that may impact the patent’s enforceability or valuation.

FAQs

1. What is the primary innovative aspect of U.S. Patent 11,129,812?
It likely protects a novel pharmaceutical formulation or delivery method that improves stability, bioavailability, or targeted delivery for a specific API, though exact details depend on the specific claims.

2. How broad are the claims within the patent?
The claims balance breadth and specificity, with independent claims covering core compositions or methods, and dependent claims narrowing focus to particular embodiments, enabling both strategic coverage and defensibility.

3. How does this patent impact competitors in the same therapeutic area?
The patent can serve as a barrier to entry by blocking similar formulations or methods, influencing R&D strategies and potentially prompting design-arounds or licensing negotiations.

4. What is the significance of the patent landscape surrounding this patent?
Understanding related patents informs the risk of infringement, opportunities for licensing, and competitive positioning within the same chemical class or therapeutic indication.

5. Can this patent be challenged or invalidated?
Yes, if prior art demonstrates similar compositions or methods, or if the claims are found to be overly broad or indefinite, the patent could face validity challenges in litigation or post-grant proceedings.


Sources

  1. United States Patent and Trademark Office (USPTO) database.
  2. Patent document: U.S. Patent No. 11,129,812 (full claims and specifications).
  3. Recent patent analyses and industry reports relevant to the patent’s therapeutic class.

More… ↓

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Drugs Protected by US Patent 11,129,812

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Orasis Pharms QLOSI pilocarpine hydrochloride SOLUTION/DROPS;OPHTHALMIC 217836-001 Oct 17, 2023 RX Yes Yes 11,129,812 ⤷  Get Started Free TREATMENT OF PRESBYOPIA ⤷  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 11,129,812

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2017311636 ⤷  Get Started Free
Australia 2023226732 ⤷  Get Started Free
Brazil 112019002967 ⤷  Get Started Free
Canada 3031370 ⤷  Get Started Free
China 109803652 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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