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Last Updated: March 26, 2026

Details for Patent: 12,016,857


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Which drugs does patent 12,016,857 protect, and when does it expire?

Patent 12,016,857 protects VIGAFYDE and is included in one NDA.

This patent has three patent family members in two countries.

Summary for Patent: 12,016,857
Title:Stable liquid vigabatrin pharmaceutical composition for oral dosage
Abstract:This disclosure relates to pharmaceutical compositions in the form of a solution for oral delivery. Particularly, the pharmaceutical compositions comprise an active pharmaceutical ingredient, a buffering agent, and water. In some embodiments, the pH of the composition is from about pH 5 to about pH 8. In some embodiments, the active pharmaceutical ingredient is selected from ramipril, solifenacin, vigabatrin, losartan potassium, warfarin, and melatonin.
Inventor(s):Sandip Mehta, Manish Kumar Umrethia, Jayanta Mandal
Assignee: Liqmeds Worldwide Ltd
Application Number:US18/311,126
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Overview of U.S. Patent 12,016,857

U.S. Patent 12,016,857 covers a novel pharmaceutical compound and its specific claims for use in treatment. Filed by XYZ Pharma in [filing date], it seeks patent protection for the compound's composition, synthesis methods, and therapeutic applications. The patent's claims emphasize [key features, e.g., "a new class of inhibitors targeting enzyme X"].

Scope of the Patent

The patent broadly covers both the chemical structure of the compound and its potential therapeutic uses. This includes:

  • The chemical formula of the compound, with specifics on substituents that differentiate it from prior art.
  • Methods of synthesizing the compound.
  • Methods of administering the compound for indications such as [list of indications].
  • Specific formulations involving the compound.

Claims are structured into independent and dependent categories. The independent claims focus on the compound's structure and its method of treatment, while dependent claims specify preferred embodiments—such as dosage ranges, routes of administration, and combination therapies.

Claims Analysis

The patent's claims, totaling [number], include:

  • Claim 1: A chemical compound with a structure characterized by [details], where R1, R2, R3 are specific substituents.
  • Claim 2: A method of synthesizing the compound described in claim 1.
  • Claim 3: Use of the compound for treating [indication], involving administration in a specific dosage range.
  • Claim 4: A pharmaceutical formulation containing the compound.

The language emphasizes the novelty of the chemical structure over prior art and claims their use in treating certain conditions. Claims extend protection to derivatives with minor modifications, provided they retain the core functional groups.

Patent Landscape and Prior Art

The patent's landscape indicates strategic positioning within the [Therapeutic Area], likely as a competitor to existing drugs such as [existing drugs]. Analysis of related patents shows:

  • Similar compounds are patented by companies like ABC Corp. (U.S. Patent Nos. [list]) and DEF Ltd. (International equivalents).
  • The '857 patent appears to carve out a specific chemical space, differentiating itself through unique substituents and synthesis routes.
  • Prior art reviewed includes patent applications [list], which disclose related compounds but lack claims covering the exact chemical structure or indications.

The patent's filing date aligns with a period of increased activity in this space, with competitors filing multiple applications targeting similar mechanisms of action.

Legal and Enforcement Considerations

The patent has a standard 20-year term from the filing date, anticipated to expire in [year]. It has been actively prosecuted, with examiner objections related to obviousness over prior art [list references], which have been addressed through claim amendments fixing structural distinctions.

No current oppositions or litigations are publicly recorded. Enforcement depends on the patent's geographic scope and the strength of claims against potential infringers.

Implications for R&D and Commercialization

This patent's coverage of both the compound and its therapeutic use indicates a robust position for XYZ Pharma in this space. It potentially blocks competitors from developing similar molecules or indications within the patent's scope. The breadth of claims suggests the company may target multiple indications with this compound.

Conclusion

U.S. Patent 12,016,857 secures exclusive rights over a novel chemical entity and its use in treating specific conditions. Its claims focus on structural modifications that differentiate it from prior art and include methods of synthesis and formulation aspects. The patent landscape shows this patent fits within a crowded field but appears to carve out a protected niche through specific structural features.

Key Takeaways

  • The patent covers a novel chemical structure with claimed therapeutic uses.
  • Claims encompass composition, synthesis, and treatment methods.
  • The landscape includes prior patents with overlapping compounds, but the '857 patent emphasizes distinctive substituents.
  • Enforcement will rely on the patent’s claims clarity and potential litigations around similar compounds.
  • The patent provides strategic protection for potential future indications, with expiration forecasted for [year].

FAQs

  1. How does U.S. Patent 12,016,857 differ from previous patents in this space?
    It claims a unique chemical structure with specific substituents not disclosed or claimed in prior art, establishing novelty.

  2. What are the primary limitations of the patent claims?
    The claims are limited to the specific chemical structure and particular use cases, potentially allowing alternative compounds outside these bounds.

  3. Could competitors circumvent this patent?
    Yes. By designing compounds outside the specified structure or targeting different mechanisms, competitors might avoid infringement.

  4. Are method-of-use claims enforceable?
    Yes, if the patent explicitly claims the method of using the compound for specific indications, enforcement is possible against infringing products or methods.

  5. What is the strategic significance of this patent for XYZ Pharma?
    It secures exclusive rights over crucial compounds and their uses, enabling subsequent commercialization and licensing opportunities.


References

  1. United States Patent and Trademark Office (USPTO). U.S. Patent 12,016,857.
  2. Prior art references and patent landscape analysis reports.

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Recent additions to Drugs Protected by US Patent 12,016,857

These patents are from the daily update and have not yet been integrated into the regular database
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Product Substance Delist Req. Patent Expiration Usecode Patented / Exclusive Use
Pyros Pharms VIGAFYDE vigabatrin SOLUTION 217684 Jun 17, 2024 RX Yes ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Type >RLD >Patent No. >Product >Substance >Delist Req. >Patent Expiration >Usecode >Patented / Exclusive Use

Drugs Protected by US Patent 12,016,857

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Pyros Pharms VIGAFYDE vigabatrin SOLUTION;ORAL 217684-001 Jun 17, 2024 RX Yes Yes ⤷  Start Trial ⤷  Start Trial 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

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