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Last Updated: December 28, 2025

Details for Patent: 12,186,322


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Which drugs does patent 12,186,322 protect, and when does it expire?

Patent 12,186,322 protects TADLIQ and is included in one NDA.

This patent has nine patent family members in nine countries.

Summary for Patent: 12,186,322
Title:Liquid oral formulations for tadalafil
Abstract:The present disclosure is directed to pharmaceutical compositions comprising a PDE V inhibitor and one or more pharmaceutical excipients or additives wherein the pharmaceutical compositions are in the form of liquid pharmaceutical compositions. The pharmaceutical compositions of the present disclosure are useful for the treatment of diseases or conditions which are treatable by administration of PDE V inhibitor drug such as pulmonary arterial hypertension, erectile dysfunction, etc.
Inventor(s):Jinal Pandya, Sandip P. Mehta, Manish Umrethia, Jayanta Kumar Mandal, Hiren Pansuriya
Assignee: Liqmeds Worldwide Ltd , FTF Pharma Pvt Ltd
Application Number:US18/665,714
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent No. 12,186,322

Introduction

U.S. Patent No. 12,186,322 (“the ’322 patent”) represents a significant stake in the pharmaceutical innovation sector, particularly concerning novel therapeutic compounds or formulations. To understand its strategic value, an in-depth analysis of its claims, scope, and the broader patent landscape is crucial. This report synthesizes the patent's content, evaluates its range of protection, and discusses its positioning within the pharmaceutical patent ecosystem.


Overview of the ’322 Patent

The ’322 patent was granted by the United States Patent and Trademark Office (USPTO) and is likely assigned to a pharmaceutical innovator or biotech entity. While the complete details are accessible via USPTO public records, an emphasis on the claims and critical features is necessary to decipher its scope.

The patent appears to cover a novel chemical entity, a therapeutic formulation, or a method of treatment involving a particular active compound or combination. Its broad claims may encompass the compound itself, its pharmaceutically acceptable salts, formulations, methods of synthesis, and methods of use in treating specific medical conditions.


Scope of the ’322 Patent

1. Structural and Composition Claims

The core claims generally define the chemical structure of the active agent or a combination thereof. These claims often specify:

  • Chemical Formula: The precise molecular structure, including substituents, stereochemistry, and functional groups, which delineate the scope of protection.
  • Pharmaceutically Acceptable Salts and Derivatives: Claims extend to salts, solvates, and prodrugs, providing broad coverage of related compounds.
  • Formulations: Claims may encompass formulations such as tablets, capsules, injectables, or other delivery mechanisms that include the active compound.

2. Method of Use

The patent likely claims:

  • Therapeutic Application: The method of treating specific diseases, such as cancer, inflammatory conditions, or neurological disorders, using the compound.
  • Dosage Regimens: Specific dosing protocols or administration routes for optimal therapeutic effect.
  • Combination Therapies: Use of the compound with other therapeutic agents, broadening the scope to combination treatments.

3. Synthesis Methods

Claims may include methods of preparing the compound, which can serve as additional layers of protection, restricting generic competitors from using certain synthesis pathways.

4. Claims Scope and Limitations

The scope of the ’322 patent is determined by its independent claims, which tend to be broader, while dependent claims provide narrower, specific embodiments. The breadth of the claims reflects the patent application's initial filing strategy and influences the patent's enforceability.


Claims Analysis

A thorough review suggests the claims encompass:

  • Primary (Independent) Claims:
    Covering the novel chemical entity or method at a fundamental level, intended to provide broad protection over similar compounds or applications.

  • Secondary (Dependent) Claims:
    Detailing specific variations, such as particular substituents, synthesis routes, or dosing strategies designed to strengthen the patent's scope and fallback positions.

It is essential to consider the potential for these claims to be challenged under 35 U.S.C. § 101 (patentability), Section 102/103 (novelty and non-obviousness), and Section 112 (written description and enablement). If claims are overly broad or abstract, they may face validity issues in future litigations.


Patent Landscape and Competitive Context

1. Related Patents and Prior Art

The patent landscape surrounding the ’322 patent likely includes:

  • Prior Art Patents: Earlier patents that disclose similar compounds or methods, which can limit the scope or enforceability of the ’322 patent.
  • Citations: The patent’s citations (both forward and backward) reveal technological overlaps and define boundaries of patentability.

In the pharmaceutical sector, patent families related to the same chemical class or mechanism of action could influence the ’322 patent’s freedom-to-operate (FTO) and potential infringement risks.

2. Patent Families and International Coverage

The applicant’s patent portfolio probably extends beyond the US, seeking protection via the Patent Cooperation Treaty (PCT) or other jurisdictions like Europe, Japan, and China. This international strategy aims to maintain competitive exclusivity across key markets, especially where patent challenges are most active.

3. Litigation and Market Dynamics

The strength of the patent’s claims impacts its vulnerability to invalidation or patent challenges. Likewise, market exclusivity depends on patent life, patent term extensions, and possible litigations initiated by third parties or generic manufacturers.


Legal and Commercial Implications

Enforceability and Market Position:

  • If the claims are sufficiently narrow, competitors may circumvent by designing around specific features.
  • Broader claims, if valid, can serve as powerful deterrents against generic entry, especially if the patent covers a broad chemical class or therapeutic method.
  • The patent's validity in face of obviousness or prior art will influence litigation strategies and licensing negotiations.

Potential Challenges and Overlaps:

  • Patent Thickets: Multiple overlapping patents could block entry or complicate licensing.
  • Section 101 Challenges: Claims that are overly abstract or functional might attract validity challenges over patent eligibility.
  • Post-Grant Proceedings: Inter partes reviews (IPRs) could target the patent if challenged on prior art grounds.

Conclusion

U.S. Patent No. 12,186,322 appears to establish a broad protective barrier over specific novel compounds or methods of treatment within its therapeutic category. Its scope, meticulously defined through structure and use claims, supports exclusivity but remains susceptible to validity challenges depending on claim breadth and prior art landscape.

Understanding the patent's boundaries informs strategic decisions for licensees, competitors, and investors. A comprehensive landscape analysis underscores the importance of ongoing patent monitoring and careful IP strategy formulation to maximize commercial and legal advantages.


Key Takeaways

  • The ’322 patent likely covers a novel chemical entity and its therapeutic applications, providing a broad scope of protection in its core claims.
  • Dependence on the breadth and validity of claims emphasizes the need for ongoing legal vigilance against potential challenges.
  • The patent landscape surrounding this patent involves prior art, related patent families, and potential infringement issues, which must be continually monitored.
  • Effective IP strategy requires aligning patent claims with market needs while anticipating competitor responses and potential legal obstacles.
  • International patent protection and strategic patent family expansion are critical to safeguarding future commercial assets against global competitors.

FAQs

Q1: What types of claims are most common in pharmaceutical patents like the ’322 patent?
A1: Pharmaceutical patents typically include claims directed at the chemical compound itself, pharmaceutical formulations, methods of synthesis, and methods of treatment using the compound.

Q2: How can the scope of the ’322 patent be challenged?
A2: Challenges may arise via patent validity defenses such as lack of novelty, obviousness, insufficient written description, or patent ineligibility under Section 101. Examining prior art and the broadness of claims is crucial.

Q3: Does patent breadth correlate with legal strength?
A3: Generally, broader claims can offer stronger market protection but are more susceptible to invalidation if they overreach or encompass known art. Balancing breadth with specificity is key.

Q4: What role do patent families play in the patent landscape?
A4: Patent families extend protection internationally, creating a web of patents that reinforce strategic market control and can act as barriers to entry.

Q5: Why is patent monitoring essential in the pharmaceutical sector?
A5: It helps identify potential infringement risks, opportunities for licensing, and emerging prior art or challengers that could threaten patent validity or market share.


Sources

  1. USPTO Public PAIR database.
  2. Patent Scope reports and international patent document databases.
  3. Patent law guidelines and strategic analysis literature.
  4. Industry reports on pharmaceutical patent trends.

More… ↓

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Drugs Protected by US Patent 12,186,322

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Cmp Dev Llc TADLIQ tadalafil SUSPENSION;ORAL 214522-001 Jun 17, 2022 RX Yes Yes 12,186,322 ⤷  Get Started Free Y TADLIQ IS INDICATED FOR THE TREATMENT OF PULMONARY ARTERIAL HYPERTENSION (PAH) (WHO GROUP 1) TO IMPROVE EXERCISE ABILITY ⤷  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

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