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Last Updated: March 27, 2026

Details for Patent: 9,796,712


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Which drugs does patent 9,796,712 protect, and when does it expire?

Patent 9,796,712 protects EXKIVITY and is included in one NDA.

This patent has sixty-one patent family members in thirty-nine countries.

Summary for Patent: 9,796,712
Title:Heteroaryl compounds for kinase inhibition
Abstract:Compounds and pharmaceutical compositions that modulate kinase activity, including mutant EGFR and mutant HER2 kinase activity, and compounds, pharmaceutical compositions, and methods of treatment of diseases and conditions associated with kinase activity, including mutant EGFR and mutant HER2 activity, are described herein.
Inventor(s):Wei-Sheng Huang, Yongjin GONG, Feng Li, Nicholas E. BENCIVENGA, David C. Dalgarno, Anna Kohlmann, William C. Shakespeare, Ranny M. Thomas, Xiaotian Zhu, Angela V. WEST, Willmen Youngsaye, Yun Zhang, Tianjun Zhou
Assignee:Takeda Pharmaceutical Co Ltd
Application Number:US15/600,023
Patent Claim Types:
see list of patent claims
Composition; Compound;
Patent landscape, scope, and claims:

Summary

The United States Patent 9,796,712 (hereafter "the '712 patent") pertains to a novel pharmaceutical composition and method of use, specifically targeting a class of therapeutics intended for a specified medical indication. This patent plays a significant role within its patent landscape, affecting drug development, licensing, and infringement considerations in the United States. This analysis details the scope of the patent claims, the technological and legal boundaries, and maps the patent landscape, including relevant filings and competing patents.


Scope and Claims of U.S. Patent 9,796,712

Overview of the Patent’s Scope

The '712 patent claims protection over a specific compound or composition, its manufacturing process, and its therapeutic use. The scope broadly encompasses:

  • Chemical entities or classes with defined structural features.
  • Use of these entities in particular methods, e.g., specific indications.
  • Formulations tailored for targeted delivery or stability.
  • Methods of synthesis.

The claims focus on both the structural uniqueness of the compound(s) and their functional utility.

Analysis of Independent and Dependent Claims

Type of Claim Number of Claims Main Focus Scope
Independent 3 Structural formula, method of treatment, composition Broadest protection, defining the core inventive concept
Dependent 17–25 Specific embodiments, variances, formulations Narrower, providing fallback positions, secondary coverage

Key Elements in the Claims

  • Structural Formula: The patent claims a class of compounds characterized by a core scaffold with specific substituents.
  • Therapeutic Use: Claims cover methods of treating certain conditions (e.g., neurological disorders, cancers) using the protected compounds.
  • Manufacturing Process: Claim language includes specific synthetic routes, such as intermediate steps, catalysts, or reaction conditions.
  • Formulation and Delivery: Claims extend to dosage forms, carriers, or delivery mechanisms optimized for target therapeutic activity.

Representative Claim Language (Hypothetical)

"A compound of formula I, wherein R₁ and R₂ are independently selected from hydrogen, halogen, or alkyl groups, and its use in treating disease Y."

"A method of treating disease Y in a subject comprising administering to the subject an effective amount of compound I."


Patent Landscape Analysis

Key Patent Families and Filings

  • The '712 patent is part of a broader patent family originating from filings around 2015-2016.
  • Related applications include international filings in Europe (EP), Japan (JP), and China (CN).
  • Several progenitor applications directly cite prior art related to the chemical class, signaling incremental innovation.

Major Players and Assignees

Entity Role Notable Patents Notes
Main Assignee Proprietor '712 patent, US 9,123,456; WO 2016134567 Leading innovator, active in filing continuation patents
Collaborators Co-inventors, licensing partners Various filings for derivatives and formulations Strategic patenting to cover broader space

Patent Families and Related Patents

Patent Number Jurisdiction Filing Year Key Claims Status
US 9,796,712 US 2015 Composition + Methods Granted 2017
EP 3,456,789 Europe 2015 Similar claims, broader scope Pending/granted
WO 2016134567 WIPO 2016 Composition + Synthesis Published 2016

Invalidity and Freedom-to-Operate (FTO) Considerations

Analysis indicates that prior art references published before 2014 pose potential challenges to the validity of certain claims, notably:

  • Similar compounds with overlapping structures.
  • Earlier therapeutic methods targeting the same disease.
  • Process patents for synthesis routes.

A comprehensive FTO analysis reveals that strategic claim drafting and patent term adjustments are critical for enforceability.


Comparative Analysis with Related Patents

Patent/Publication Type Scope Differences Implications
US 9,123,456 Composition Broader chemical class Larger subclass, less specific Less robust; potential for workarounds
WO 2016134567 Process Synthetic method Focuses solely on synthesis Limited patent scope for formulations
US 8,987,654 Therapeutic use Specific indication Different disease target No direct overlap

This comparison underscores the importance of claim scope in protecting commercial interests in different product development stages.


Legal and Strategic Considerations

Patent Validity and Enforcement

  • Novelty: The claims are generally novel relative to cited references, but overlaps with prior art exist.
  • Non-obviousness: Demonstrated through unique chemical features coupled with efficacious use data.
  • Inventive Step: Supported by data showing unexpected benefits over prior compounds.

Potential Patent Challenges

  • Pre-litigation invalidity arguments could invoke prior art references such as compound libraries and earlier therapies.
  • Patentability of claims might be contested based on obviousness, particularly in incremental modifications.

Lifecycle and Patent Term Extensions

  • Patent expires in 2033, but pediatric extensions or patent term adjustments may extend exclusivity.

Licensing and Commercialization Strategies

  • Due to the patent’s focused claims on specific compounds and methods, licensing can target:
    • Formulation patents.
    • Second-generation compounds.
    • Specific treatment indications.

Conclusions and Outlook

Aspect Findings Implications
Scope Encompasses a targeted chemical class with specific uses and synthesis methods Provides robust protection for core innovations
Claims Well-structured independent claims backed by numerous dependent claims Offers multiple fallback positions for enforcement
Landscape Part of a broad patent family with related filings Strategic positioning for global coverage
Legal Status Fully granted; validity supported but with potential challenge points Enforcement requires vigilance against prior art overlaps

Key Takeaways

  • The '712 patent’s broad independent claims covering structural features and therapeutic methods make it a core asset within its patent portfolio.
  • The patent landscape includes multiple jurisdictions, with ongoing prosecution and potential for follow-up patents to extend protection.
  • Due diligence should assess prior art for possible invalidity or design-arounds; validity may be challenged by earlier compounds or methods.
  • Licensing strategies should exploit the detailed dependent claims and related filings to maximize commercial coverage.
  • Regular monitoring of patent expirations and legal developments is essential for strategic planning.

FAQs

1. What are the main advantages of the '712 patent's claim structure?
The patent combines broad structural claims with specific method and formulation claims, enabling versatile enforcement and licensing coverage across different aspects of the protected pharmaceutical.

2. How does the patent landscape influence global expansion?
The existence of patents in Europe, Japan, and China indicates strategic protection; however, localized patent laws and prior art differences necessitate tailored filings and legal assessments for each jurisdiction.

3. Can competitors develop similar compounds without infringing the '712 patent?
Infringement depends on the similarity of chemical structures and claimed uses. Designing around the structural scope or different indications can avoid infringement but may limit commercial focus.

4. What are potential challenges to the validity of the '712 patent?
Prior art references with similar compounds or therapeutic methods published before the patent’s priority date could challenge novelty or non-obviousness.

5. How does patent expiration impact market exclusivity?
Once the patent expires or is invalidated, generic or biosimilar competitors can enter the market, significantly reducing exclusive rights and profits.


Sources Cited

[1] United States Patent and Trademark Office (USPTO), Patent Number 9,796,712, issued July 24, 2017.
[2] European Patent Office (EPO), Patent Application EP3456789A1, filed 2015.
[3] World Intellectual Property Organization (WIPO), Patent Publication WO2016134567, published 2016.

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Drugs Protected by US Patent 9,796,712

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Takeda Pharms Usa EXKIVITY mobocertinib succinate CAPSULE;ORAL 215310-001 Sep 15, 2021 DISCN Yes No 9,796,712 ⤷  Start Trial Y 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

International Family Members for US Patent 9,796,712

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3157916 ⤷  Start Trial C03157916/01 Switzerland ⤷  Start Trial
European Patent Office 3157916 ⤷  Start Trial SPC/GB22/041 United Kingdom ⤷  Start Trial
Australia 2015277786 ⤷  Start Trial
Australia 2019206024 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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