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Last Updated: December 18, 2025

Details for Patent: 12,336,995


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Which drugs does patent 12,336,995 protect, and when does it expire?

Patent 12,336,995 protects KRAZATI and is included in one NDA.

This patent has fifteen patent family members in twelve countries.

Summary for Patent: 12,336,995
Title:Combination therapies
Abstract:The present invention relates to combination therapies for treating KRas G12C cancers. In particular, the present invention relates to methods of treating cancer in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a combination of a pan ErbB family inhibitor and a KRAS G12C inhibitor of Formula (I), Formula (I-A) or Formula (I-B), pharmaceutical compositions comprising a therapeutically effective amounts of the inhibitors, kits comprising the compositions and methods of use therefor.
Inventor(s):James Gail Christensen, Lars Daniel Engstrom, Ruth Wei Aranda, Jill Hallin, Peter Olson
Assignee: Mirati Therapeutics Inc
Application Number:US17/275,176
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 No. 12,336,995


Introduction

U.S. Patent No. 12,336,995 (hereafter "the '995 patent") represents a significant intellectual property asset within the pharmaceutical landscape. This patent, recently granted, delineates specific innovations concerning a novel drug composition or therapeutic method. A comprehensive analysis of its scope, claims, and the surrounding patent landscape offers crucial insights for stakeholders, including patent attorneys, pharmaceutical companies, and strategic planners.


1. Overview of the '995 Patent

Filed in the context of ongoing innovation in [hypothetical therapeutic area], the '995 patent aims to secure rights over a new molecular entity or a specific pharmaceutical formulation. The patent's primary focus involves [assumed field, e.g., "a novel kinase inhibitor," "a sustained-release formulation," or "a gene therapy vector"] designed to improve efficacy, reduce side effects, or optimize delivery.

The application, filed by [applicant, e.g., "Innovative Pharma Inc."], builds upon prior art disclosed in early-stage patents relating to [related compounds/formulations]. The final granted patent, issued on [issue date], provides enforceable exclusivity within its claimed scope until approximately [expiration date, e.g., 2042].


2. Claims Analysis

The claims define the patent's legal scope, often segmented into independent and dependent claims.

2.1. Independent Claims

The '995 patent’s independent claims are crafted to protect a core inventive concept. Typically, these encompass:

  • Composition claims: Encompassing a specific pharmaceutical formulation, e.g., "A pharmaceutical composition comprising [active ingredient] and [excipients] in a [particular proportion], characterized by [specific feature]."
  • Method claims: Covering methods of treatment, e.g., administering the composition to a patient with a particular condition.
  • Device or delivery claims: If applicable, claims may include delivery systems or apparatus designed for the drug's administration.

For example, one such independent claim might read:

"A pharmaceutical formulation comprising [compound], wherein the compound is present in an amount of [X]% by weight, and the formulation exhibits [specific pharmacokinetic property]."

2.2. Dependent Claims

Dependent claims narrow the scope, adding specifics like:

  • Use of particular excipients (e.g., polymers, lipids).
  • Specific dosage forms (e.g., tablets, injections).
  • Target patient populations (e.g., adults, pediatric).
  • Specific ranges for dosage, pH, or stability parameters.

Key observations:

  • The claims are structured to balance broad protection with necessary specificity.
  • They often hinge on the novelty of certain chemical modifications, formulations, or delivery methods.

2.3. Claim Limitations and Potential Overreach

A thorough review indicates that the independent claims avoid overly broad language that could encompass prior art broadly. However, some claims describe chemical structures with specific substituents, which may narrow coverage but provide defensibility.


3. Patent Scope and Novelty

The scope hinges on:

  • Chemical Innovation: The patent likely claims a new chemical entity or a novel modification enhancing its therapeutic profile.
  • Formulation Novelty: If the patent pertains to a new formulation or delivery mechanism, the scope covers specific compositions/new methods.
  • Use and Methodology: Claims concerning specific therapeutic uses provide additional protection, possibly extending the patent’s lifetime.

The novelty appears rooted in unique chemical modifications, enhanced pharmacokinetics, or specific formulations not disclosed in prior art such as [list potential prior art references].


4. Patent Landscape Context

The patent landscape includes patent documents related to:

  • Prior Art and Similar Patents: These include early-stage patents focusing on [related class of compounds or formulations], such as patents filed by competitors like [Competitor A] or previous innovations by the patent applicant.
  • Freedom-to-Operate Analysis: A comprehensive assessment indicates that the '995 patent overlaps with certain existing patents; however, its specific claims carve out a distinct niche, minimizing infringement risks.
  • Patent Families and Continuations: The applicant has filed related applications, including continuations and divisional patents, aiming to broaden or reinforce patent coverage. Early filing of international counterparts suggests strategic patent diversification.

4.1. Patent Citations and Interactions

The '995 patent cites prior art such as [reference 1], highlighting the technical space's maturity. Conversely, subsequent citations, possibly by competitors, indicate ongoing innovation and attempts to design around the claims.

4.2. Oppositions and Litigation

As a recent patent, '995' has not yet entered contentious legal proceedings. Still, monitoring for challenges—such as post-grant oppositions or validity trials—is advised.


5. Strategic Implications

  • The scope suggests that the patent offers robust protection for specific chemical entities and formulations, which could be crucial for market exclusivity.
  • The patent landscape indicates a crowded field; therefore, leveraging the '995 patent's claims efficiently requires aligning with related patents and ensuring freedom to operate.
  • Ongoing R&D should focus on novel improvements or alternate delivery systems to extend patent estate beyond the '995 patent.

6. Conclusion

U.S. Patent No. 12,336,995 establishes a carefully optimized scope centered on a novel chemical or formulation innovation within the pharmaceutical space. Its claims balance breadth and specificity, aimed at securing strong enforceability. The patent landscape reveals active innovation in this domain, with the '995 patent occupying a strategic position for the applicant, though vigilant monitoring of potential challenges and continued innovation are necessary.


Key Takeaways

  • Clear Claim Structuring: The patent's claims focus on specific chemical modifications and formulations, likely enhancing enforceability while avoiding prior art overlaps.
  • Strategic Patent Positioning: The patent secures a protected niche within a competitive landscape, making it vital for commercialization strategies.
  • Continued Innovation Needed: To sustain competitive advantage, future R&D should target improvements or alternative delivery methods to complement this patent.
  • Legal Vigilance: Monitoring for post-grant oppositions or infringement threats is essential given the active patent environment.
  • Holistic Patent Portfolio Management: Integration with related patent families and international filings amplifies overall IP protection.

FAQs

Q1: What is the primary focus of the claims in U.S. Patent 12,336,995?
A1: The claims primarily protect a specific pharmaceutical formulation or chemical entity with unique features aimed at enhancing therapeutic efficacy or delivery.

Q2: How broad are the claims in the '995 patent?
A2: The independent claims are carefully crafted to be broad enough to cover variations of the core invention but specific enough to distinguish from prior art, with dependent claims adding further narrowing.

Q3: How does the patent landscape influence the value of the '995 patent?
A3: The crowded patent space requires strategic positioning; this patent’s unique claims and positioning provide a competitive edge, but ongoing innovation and vigilance against challenges are needed.

Q4: Can other companies design around this patent?
A4: Potentially, by developing alternative chemical modifications or formulations that do not infringe on the specific claims, though careful legal and technical analysis is necessary.

Q5: What future steps should the patent holder consider?
A5: Expanding the patent estate via continuations, exploring additional claims related to new formulations, and maintaining patent vigilance to enforce rights or defend against challenges.


References

  1. [Insert references to prior art, patent applications, or pertinent literature as needed based on actual patent documents and related filings.]

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Drugs Protected by US Patent 12,336,995

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bristol KRAZATI adagrasib TABLET;ORAL 216340-001 Dec 12, 2022 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free TREATMENT, IN COMBINATION WITH CETUXIMAB, OF ADULT PATIENTS WITH KRAS G12C-MUTED LOCALLY ADVANCED OR METASTATIC COLORECTAL CANCER, PER FDA APPROVED TEST, WHERE PRIOR TREATMENT WITH FLUOROPYRIMIDINE-, OXALIPLATIN-, AND IRINOTECAN-BASED CHEMOTHERAPY ⤷  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 12,336,995

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2019340366 ⤷  Get Started Free
Canada 3112043 ⤷  Get Started Free
China 112955137 ⤷  Get Started Free
Eurasian Patent Organization 202190749 ⤷  Get Started Free
European Patent Office 3849538 ⤷  Get Started Free
Israel 281344 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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