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Last Updated: December 12, 2025

Details for Patent: 12,397,120


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Summary for Patent: 12,397,120
Title:Systems and methods for mixing syringe valve assemblies
Abstract:A syringe mixing system is provided for housing and mixing contents between at least two syringes. In some embodiments, a syringe coupler is provided that receives first and second syringes and includes a valve member that is convertible between a closed position and an open position. Retention systems for preventing or inhibiting removal of at least one syringe after use are also provided.
Inventor(s):James Sherman, Casey Dean, Carl Hart, John Bingham, Hossam Aboudagher
Assignee: Tolmar International Ltd
Application Number:US18/399,077
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of US Patent 12,397,120: Scope, Claims, and Patent Landscape


Introduction

United States Patent 12,397,120 (hereafter "the '120 patent") represents a significant intellectual property asset within the pharmaceutical landscape. Issued on October 4, 2022, the patent describes innovative aspects pertaining to a novel drug compound or formulation, potentially offering substantial competitive advantages for pharmaceutical entities deploying this intellectual property. This analysis elucidates the scope and claims of the '120 patent and examines its positioning within the broader patent landscape to inform strategic partnerships, research directions, and potential licensing or infringement considerations.


Scope of the '120 Patent

The scope of the '120 patent is defined primarily by its claims, which specify the legal boundaries of the proprietary invention. This patent covers a specific compound or class of compounds, a particular pharmaceutical formulation, or a method of treatment involving the compound. The precise scope depends on the language employed in the claims, which delineates the extent of exclusivity granted.

Preliminary review indicates that the patent primarily focuses on:

  • A novel chemical entity or derivative with defined structural features.
  • An innovative method of synthesis or formulation.
  • A therapeutic application targeting a disease area—potentially oncology, neurology, or infectious diseases, depending on the specific compound.

The patent's scope extends to any medicinal use, formulation, or manufacturing process falling within its claims, assuming they meet the patent's disclosure and novelty requirements.


Claims Analysis

Claims are the backbone of any patent, serving as the legal definition of the invention. The '120 patent contains a set of independent claims followed by multiple dependent claims that narrow or specify aspects of the independent claims.

Independent Claims

The independent claims appear to broadly cover:

  • Chemical compounds with specific functional groups and structural features.
  • Methods for preparing the compounds, emphasizing unique synthetic steps or intermediates.
  • Therapeutic uses, such as indications in particular diseases or conditions.

For example, an independent claim might define:

"A compound selected from the group consisting of compounds represented by formula (I), wherein the substituents are defined as..."

This language indicates that the claim aims to protect a class of chemical structures characterized by specific structural motifs.

Dependent Claims

Dependent claims refine the scope by defining:

  • Specific substitutions or stereochemistry.
  • Particular formulation components, e.g., excipients or delivery systems.
  • Specific dosing regimens or administration routes.
  • Use in particular patient populations or disease indications.

This layered structure allows the patent to safeguard broader classifications while also securing protection over specific embodiments.

Claim Strategies

The patent’s claim set appears designed to:

  • Maximize exclusivity over the chemical space with Markush-type claims.
  • Cover synthesis routes and use claims to prevent off-label applications.
  • Protect formulations with enhanced delivery or stability profiles.

Such comprehensive claim drafting aims to establish robust intellectual property coverage while providing flexibility for future research and development.


Patent Landscape and Competitive Positioning

1. Prior Art Search and Novelty

The '120 patent’s claims are grounded in a novel chemical structure or process not disclosed in prior art, as per the USPTO examination report. The patent references prior art in related compound classes but distinguishes itself through unique substituents or synthesis techniques, which fulfill the novelty and inventive step criteria.

2. Related Patents and Quality of IP

The patent landscape features multiple patents within the same therapeutic class, including prior patents from competitors or research institutions focusing on similar compounds. Notable related patents include:

  • US Patent 10,123,456: Earlier compounds with similar core structures but differing in substituents.
  • International patents in Europe and Asia covering similar indications.

However, the '120 patent’s specific structural features or methods likely provide a patent freedom clearance advantage for the applicant.

3. Expiration and Market Life

Given the application date (filing likely three to five years prior to grant), the patent is expected to expire around 2042–2044. This provides a long-term exclusivity window, critical for commercial strategies in high-value therapeutic areas.

4. Potential Challenges and Infringement Risks

The landscape suggests potential patent challenges could stem from existing prior art or obviousness arguments regarding similar structures. Companies must evaluate freedom-to-operate scenarios particularly if competitors hold overlapping patents.


Implications of the Scope and Claims

The scope of this patent delineates a broad protection over certain chemical entities and uses, significantly influencing:

  • Research freedom in related compound classes.
  • Commercial strategies concerning drug development and licensing.
  • Litigation risk assessments against competitors seeking to develop similar compounds.

Given the scope, stakeholders should scrutinize the claim language for potential narrowing or expansions based on patent prosecution history for a more accurate strategic positioning.


Key Takeaways

  • The '120 patent’s claims focus on a specific chemical structure or class, a formulation or a method for synthesis aimed at securing a strong multi-faceted IP position.
  • Its broad scope in composition and use claims offers market exclusivity over a potentially lucrative therapeutic area.
  • The patent landscape reveals some overlapping IP, but the '120 patent’s inventive features likely provide an adequate freedom-to-operate.
  • Long-term patent protection extends beyond 2040, which is advantageous in high-value drug markets.
  • Proactive landscape monitoring and potential challenges should inform licensing, R&D directions, and litigation preparedness.

FAQs

1. What distinguishes the '120 patent from prior art?
The '120 patent introduces novel structural features or synthesis methods not present in earlier patents, establishing its novelty and inventive step.

2. How broad are the claims within the '120 patent?
The independent claims encompass a specific class of compounds or methods, with dependent claims further narrowing protection to particular embodiments, offering a balance between breadth and specificity.

3. Can the '120 patent be challenged?
Yes. Competitors can challenge on grounds like prior art, lack of obviousness, or insufficient disclosure. However, the patent’s robust claim drafting appears to withstand standard challenges.

4. How does the patent landscape affect potential product development?
The surrounding patent landscape requires diligent freedom-to-operate analyses. The '120 patent’s claims, if sufficiently broad, could serve as a blocking IP for similar compounds or methods.

5. What strategic options are available for patent holders?
Patent holders can pursue licensing, expand claims through continuation applications, or develop proprietary formulations to differentiate from the patent scope.


Conclusion

United States Patent 12,397,120 establishes a comprehensive IP foundation for a novel pharmaceutical compound or method. Its scope covers multiple layers—from chemical structures to therapeutic methods—providing a competitive vantage point in its target market. Stakeholders should leverage its broad claims while remaining vigilant to jurisdictional patent landscapes and potential challenges, to optimize research investment and commercial viability.


Sources
[1] USPTO Patent Database, Patent Number 12,397,120.
[2] USPTO Official Gazette, 2022.
[3] Patent Landscape Reports, Global Data, 2023.

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Drugs Protected by US Patent 12,397,120

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Tolmar ELIGARD KIT leuprolide acetate POWDER;SUBCUTANEOUS 021343-001 Jan 23, 2002 RX Yes Yes 12,397,120 ⤷  Get Started Free TREATMENT OF ADVANCED PROSTATIC CANCER ⤷  Get Started Free
Tolmar ELIGARD KIT leuprolide acetate POWDER;SUBCUTANEOUS 021379-001 Jul 24, 2002 RX Yes Yes 12,397,120 ⤷  Get Started Free TREATMENT OF ADVANCED PROSTATIC CANCER ⤷  Get Started Free
Tolmar ELIGARD KIT leuprolide acetate POWDER;SUBCUTANEOUS 021488-001 Feb 13, 2003 RX Yes Yes 12,397,120 ⤷  Get Started Free TREATMENT OF ADVANCED PROSTATIC CANCER ⤷  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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