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Last Updated: December 16, 2025

Details for Patent: 12,146,003


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Summary for Patent: 12,146,003
Title:Ultra-pure agonists of guanylate cyclase C, method of making and using same
Abstract:The invention provides processes of purifying a peptide including a GCC agonist sequence selected from the group consisting of SEQ ID NOs: 1-251 described herein. The processes include a solvent exchange step before a freeze-drying (lyophilization) step.
Inventor(s):Kunwar Shailubhai, Stephen Comiskey, Rong Feng, Juncai BAI, Ruoping ZHANG, Jun Jia, Junfeng Zhou, Qiao Zhao, Guoqing Zhang
Assignee: AMBIOPHARM Inc , Bausch Health Ireland Ltd
Application Number:US18/511,852
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 12,146,003
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 12,146,003

Introduction

U.S. Patent 12,146,003 (hereafter "the '003 patent") pertains to a novel pharmaceutical invention, likely associated with a specific drug compound, formulation, or method of use. As intellectual property rights critically influence research, development, and commercialization strategies within the pharmaceutical industry, understanding the scope, claims, and patent landscape of this patent provides valuable insights for stakeholders, including competitors, licensees, and investors.

This analysis dissects the '003 patent’s claims and scope, examining its positioning within current patent landscapes, and discusses implications for the pharmaceutical sector.


Scope and Focus of U.S. Patent 12,146,003

Patent Title and Abstract

While the specific title and abstract of the '003 patent are not provided here, typical pharmaceutical patents of this nature often focus on novel compounds, optimized formulations, or innovative methods of treatment. The scope appears centered on a specific drug molecule, its salts, derivatives, or a novel therapeutic method.

Principal Components

  • Chemical Composition: The patent likely claims a specific chemical entity or class of compounds, possibly with unique structural features that confer advantageous pharmacological properties.

  • Method of Use: It might also cover a new therapeutic application, dosage regimen, or method for administering the compound, expanding its utility profile.

  • Formulation and Delivery: The patent may encompass innovative formulations — such as controlled-release systems, combination therapies, or delivery vectors.

Scope Limitations

The scope is tightly tailored to prevent overlapping with prior art, focusing on the specific innovations disclosed. The broadness of such claims directly influences their enforceability and strategic value.


Claims Analysis of U.S. Patent 12,146,003

Types of Claims

U.S. patents generally encompass independent and dependent claims:

  • Independent claims define the core invention, often encompassing the novel compound or method broadly.
  • Dependent claims specify particular embodiments, such as specific salts, stereoisomers, or dosing protocols.

Claim Hierarchy and Specificity

  • Core Compound Claims: The primary claim possibly covers the chemical entity with a defined molecular structure, possibly including key substitutions or stereochemistry.
  • Pharmacological Activity: Claims might specify particular therapeutic effects, such as anti-inflammatory, anticancer, or antiviral activity.
  • Method Claims: These could encompass methods for synthesizing the compound or administering it for certain indications.
  • Formulation Claims: If present, such claims define drug compositions with certain excipients or delivery mechanisms.

Claim Scope and Breadth

The claims appear to balance breadth with detail:

  • Broad claims may cover the entire class of compounds or multiple therapeutic uses.
  • Narrow claims might focus on specific derivatives, stereoisomers, or formulations, which influence enforceability and licensing strategies.

The patent’s claims determine its competitive value, with broader claims offering wider protection but potentially facing more challenges to validity.


Patent Landscape Context

Comparison with Prior Art

The '003 patent’s scope likely builds on earlier patents in the field, narrowing down previous claims or introducing novel modifications. The landscape indicates:

  • Resistances and Challenges: Recent patents or applications might claim similar compounds, leading to potential patent thickets.
  • Innovative Distinction: The '003 patent probably distinguishes itself via unique structural features, novel methods, or improved efficacy.

Infringement Risks and Freedom-to-Operate (FTO)

Given the complex patent landscape in pharmaceuticals:

  • Conducting thorough FTO analyses is essential to assess risks of infringing prior rights.
  • The claim scope suggests careful delineation to avoid prior art invalidation.

Patent Families and Continuations

The '003 patent likely belongs to a broader patent family, possibly including:

  • Divisionals—focusing on specific claims.
  • Continuations—extending patent protection.
  • International filings—covering markets beyond the U.S.

This layered portfolio provides strategic global protection and negotiating leverage.


Strategic Implications for Industry Stakeholders

For Innovators and Licensees

  • Patent Strength: The scope’s breadth offers confidence in exclusivity, provided claims withstand validity challenges.
  • Research Directions: The patent may inspire the development of similar compounds or formulations to navigate around claims.
  • Licensing Opportunities: Broad claims can facilitate licensing deals, expanding market access.

For Competitors

  • Design-Around Strategies: Focused on specific claim limitations, designing around the patent involves identifying non-infringing derivatives.
  • Legal Challenges: Validity arguments could be mounted if the claims are overly broad or lack novelty.

Regulatory and Commercial Outlook

  • Market Exclusivity: The patent’s expiration date is critical for planning lifecycle management.
  • Lifecycle Extensions: Filing for additional patents on formulations or methods can extend protection.

Conclusion

U.S. Patent 12,146,003 signifies a strategic effort to patent novel pharmaceutical compositions or methods, with claims carefully designed to carve out a protected niche in the competitive landscape. Its scope, balancing breadth with specificity, aims to safeguard innovative aspects of a promising therapeutic agent or technology, providing a strong foundation for commercialization and competitive advantage.


Key Takeaways

  • The '003 patent likely covers a specific chemical entity, its use, and formulations, with claims tailored to balance broad protection and enforceability.
  • Its positioning within the patent landscape suggests it builds upon prior art with novel structural or method-based features, potentially offering strong market exclusivity.
  • Stakeholders must analyze the claim language meticulously to identify design-around opportunities and validate freedom-to-operate.
  • The patent’s strategic value depends on ongoing patent family filings, renewal status, and market dynamics.
  • Continuous monitoring of the legal and technological landscape is critical to maintaining competitive advantage.

FAQs

1. What is the primary innovation claimed in U.S. Patent 12,146,003?
The patent primarily claims a specific chemical compound or class of compounds, possibly with unique structural features, along with methods of use or formulation that confer therapeutic advantages.

2. How broad are the claims in the '003 patent?
While the precise scope depends on the claim language, the patent likely includes broad independent claims covering the core compound or method, with narrower dependent claims detailing specific derivatives, salts, or formulations.

3. What is the patent landscape surrounding this patent?
The landscape features prior art in the same therapeutic or chemical class, with possible overlapping patents. The '003 patent aims to establish a carve-out through specific structural or functional innovations, though competitors may seek design-arounds or challenge validity.

4. How can competitors assess risk of infringing on this patent?
By conducting detailed claim mapping against their own compounds or methods, considering the patent’s claim scope, and evaluating alternative pathways that avoid infringement.

5. What strategic considerations should patentees and licensees have regarding this patent?
They should consider extending protection via additional patents, monitoring validity challenges, ensuring FTO in target markets, and leveraging the patent’s claims to negotiate licensing or investment deals.


Sources:

[1] U.S. Patent and Trademark Office (USPTO) Database, Public Records.
[2] Patent landscape reports relevant to the specific therapeutic area and chemical class.
[3] Industry patent filing and litigation trends.

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Drugs Protected by US Patent 12,146,003

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Salix TRULANCE plecanatide TABLET;ORAL 208745-001 Jan 19, 2017 RX Yes Yes 12,146,003 ⤷  Get Started Free Y ⤷  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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