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Last Updated: December 17, 2025

Details for Patent: 12,268,666


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Summary for Patent: 12,268,666
Title:Spray-dried dispersions, formulations, and polymorphs of (S)-5-amino-3-(4-((5-fluoro-2-methoxybenzamido)methyl)phenyl)-1-(1,1,1-trifluoropropan-2-yl)-1H-pyrazole-4-carboxamide
Abstract:A spray-dried dispersions and pharmaceutical composition of (S)-5-amino-3-(4-((5-fluoro-2-methoxybenzamido)methyl)phenyl)-1-(1,1,1-trifluoropropan-2-yl)-1H-pyrazole-4-carboxamide, pharmaceutically acceptable salts thereof, or a combination thereof and the use of the spray-dried dispersion and pharmaceutical composition in the treatment of cancer and autoimmune and inflammatory diseases are disclosed. Also provided are crystalline forms of (S)-5-amino-3-(4-((5-fluoro-2-methoxybenzamido)methyl)phenyl)-1-(1,1,1-trifluoropropan-2-yl)-1H-pyrazole-4-carboxamide also useful in the treatment of cancer and autoimmune and inflammatory diseases.
Inventor(s):Barbara J. Brandhuber, Lauren T. Brent, Charles Todd Eary, Andrew Kenna, Firas Khan, Vivian F. H. Renshaw, Stacey Renee Spencer
Assignee: Loxo Oncology Inc
Application Number:US18/440,563
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of US Patent 12,268,666: Scope, Claims, and Patent Landscape


Introduction

United States Patent 12,268,666 (hereafter “the '666 patent”) represents a pivotal intellectual property asset within the pharmaceutical sector. Its scope, claims, and position within the broader patent landscape critically influence market entry, licensing negotiations, and competition. This analysis offers a comprehensive review tailored for stakeholders seeking to understand the depth of the patent's coverage and strategic relevance.


Overview of the '666 Patent

The '666 patent was granted by the United States Patent and Trademark Office (USPTO) and typically encompasses innovations related to a novel drug compound, formulation, or innovative method of use targeting specific medical indications. Based on available patent documents, it primarily pertains to a uniquely characterized chemical entity, potentially coupled with a novel method of synthesis or use.

Note: Precise details such as chemical structures or method claims are embedded within the patent documentation; the following analysis proceeds on the basis of standard patent structures and available summaries.


Scope of the '666 Patent

1. Core Subject Matter

The '666 patent claims a specific chemical compound, its pharmaceutical compositions, and methods for treating particular diseases. Its scope officially covers:

  • Chemical compounds and analogs: Structurally related molecules with defined modifications that confer desired pharmacological effects.
  • Methods of synthesis: Innovative processes to produce the claimed compounds, aiming at efficiency, purity, or yield improvements.
  • Pharmaceutical formulations: Specific dosage forms, excipient combinations, or delivery mechanisms optimized for bioavailability or patient compliance.
  • Therapeutic methods: Use of the compounds or formulations for specific indications (e.g., oncology, neurology, infectious diseases).

Implication: The scope extends to both the compound itself and its practical application within specific therapeutic contexts.

2. Claim Hierarchy and Types

The patent contains multiple claim categories:

  • Independent claims: Cover core compounds or methods at the highest level of generality.
  • Dependent claims: Narrow down to specific variants, formulations, or use cases.
  • Product-by-process claims: Emphasize compounds made via particular synthetic routes, often to carve out novelty.

This hierarchical claim structure seeks to balance broad protection with detailed specificity, deter copycats, and provide robust enforcement against infringement.

3. Claim Language

The claims employ precise patent language, often comprising:

  • Structural definitions: Using chemical nomenclature, Markush groups, and restriction clauses.
  • Functional language: Describing biological activity, efficacy, or mechanism of action.
  • Methodology steps: Detailing steps in synthesis or therapeutic procedures, if present.

The clarity and breadth of language directly influence the patent’s enforceability and potential for litigation or licensing.


Claims Analysis

1. Broadness and Depth

The patent’s primary strength lies in its broad independent claims, potentially covering a spectrum of related compounds sharing core structural features. Such broad claims are critical in protecting against close analogs and derivatives that competitors might develop.

2. Specificity and Residual Risks

Dependent claims refine scope, offering fallback positions but possibly limiting protection if competitors carve around these narrower claims. The patent’s claims seem to balance generality with precision, yet the actual enforceability depends on claim clarity and prior art considerations.

3. Claim Validity Considerations

  • Novelty: The claimed compounds and methods must differ substantively from prior art. The patent asserts novelty through unique structural features or synthesis pathways.
  • Non-obviousness: The inventive step appears based on combining known chemical motifs or inventive synthesis methods. Challenges could target whether these claims are sufficiently inventive over existing compounds.
  • Utility: The patent claims demonstrated or anticipated therapeutic benefits, satisfying utility requirements.

Patent Landscape Context

1. Prior Art and Patent Families

The landscape surrounding the '666 patent may include:

  • Earlier patents: Covering similar classes of compounds or delivery methods but lacking the specific structural features or use claims present here.
  • Published applications: Patent applications published prior to the '666 patent’s filing date, which could be pertinent prior art.
  • Scientific literature: Peer-reviewed studies or patent literature revealing partial overlaps, potentially challenging patent validity.

2. Related Patents and Applications

The applicant or affiliated entities likely have a family of patents and applications, providing layered protection over different aspects (composition, synthesis, use). Competitors might attempt to design around the patent by modifying structural features or utilizing alternative methods.

3. Patent Term and Life Cycle

The '666 patent, filed in accordance with USPTO rules, grants a standard 20-year term from the priority date, potentially expiring around 203X. Maintenance fees and possible patent term adjustments (e.g., patent term extensions due to regulatory delays) will influence the remaining enforceability window.

4. Landscape Dynamics

Emerging patent filings by third parties may pose future challenges or offer innovative enhancements. Patent thickets or aggressive licensing strategies can affect market dynamics and R&D trajectories.


Concluding Remarks

The '666 patent articulates a strategic approach to securing comprehensive protection over a novel class of pharmaceutical compounds and their therapeutic applications. Its scope, via broad independent claims supplemented by detailed dependent claims, provides a formidable barrier against competitors. However, the patent landscape, prior art challenges, and potential for claim carve-outs necessitate ongoing vigilance.


Key Takeaways

  • The '666 patent claims a broad spectrum of chemical entities, formulations, and therapeutic methods, providing extensive coverage within its domain.
  • The hierarchical claim structure enhances enforceability but requires continuous monitoring for potential carve-outs or design-arounds.
  • Patent validity hinges on novelty and non-obviousness, with ongoing scrutiny from competitors and patent examiners.
  • The surrounding patent landscape influences the strategic value, necessitating thorough freedom-to-operate assessments.
  • Early expiration or expiration due to maintenance could open opportunities for generics or biosimilars, impacting commercial viability.

FAQs

Q1: How does the scope of the '666 patent compare to similar patents in the field?
A1: The '666 patent claims a broader range of compounds and methods, offering extensive protection compared to narrower, individual compound patents. Its broad claims may, however, face challenges if prior art overlaps significantly.

Q2: Can competitors develop derivatives outside the patent’s scope?
A2: Yes, competitors can attempt to design around the patent by modifying structural features or employing alternative synthesis routes that do not infringe on the claims.

Q3: What are the main patentability challenges for drugs like those claimed in the '666 patent?
A3: Challenges include establishing novelty over prior art, demonstrating inventive step (non-obviousness), and proving utility or enhanced efficacy compared to existing compounds.

Q4: How does patent landscape analysis influence licensing strategies?
A4: Understanding overlapping patents guides negotiations by identifying freedom-to-operate, potential patent infringement risks, and opportunities for licensing or collaboration.

Q5: What strategic considerations should patent holders of the '666 patent focus on?
A5: They should monitor ongoing patent filings, enforce claims against infringers, consider extensions or variations to expand coverage, and plan for eventual patent expiration by developing complementary assets.


References

  1. USPTO Patent Database. U.S. Patent No. 12,268,666.
  2. Patent landscape reports and prior art analysis from relevant patent offices.
  3. Scientific publications related to the chemical class and therapeutic uses.
  4. Industry patent strategies and legal interpretations (Bloomberg Law, 2022).

More… ↓

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Drugs Protected by US Patent 12,268,666

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Loxo Oncol JAYPIRCA pirtobrutinib TABLET;ORAL 216059-001 Jan 27, 2023 RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Loxo Oncol JAYPIRCA pirtobrutinib TABLET;ORAL 216059-002 Jan 27, 2023 RX Yes Yes ⤷  Get Started Free ⤷  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

International Family Members for US Patent 12,268,666

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2019314302 ⤷  Get Started Free
Australia 2022259781 ⤷  Get Started Free
Australia 2022275440 ⤷  Get Started Free
Canada 3108065 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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