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Last Updated: December 15, 2025

Details for Patent: 8,513,262


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Summary for Patent: 8,513,262
Title:Bicyclic heteroaromatic compounds as protein tyrosine kinase inhibitors
Abstract:A process for the preparation of a compound of formula (I) comprising the steps: (a) reacting a compound of formula (II) wherein L and L′ are suitable leaving groups, with a compound of formula (III) UNH2 (III) to prepare a compound of formula (IV) and subsequently (b) substituting the group R1 by replacement of the leaving group L′.
Inventor(s):Malcolm Clive Carter, George Stuart Cockerill, Karen Elizabeth Lackey
Assignee:Novartis AG
Application Number:US12/691,784
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form;
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape of U.S. Patent 8,513,262


Introduction

U.S. Patent 8,513,262 (hereafter "the '262 patent") represents a significant intellectual property asset in the pharmaceutical industry, particularly within the domain of targeted therapeutics or novel drug delivery systems. Issued on August 20, 2013, this patent reflects advancements in drug formulation, molecular targeting, and treatment strategies. An intricate understanding of its scope, claims, and the broader patent landscape is essential for stakeholders, including pharmaceutical innovators, legal strategists, and competitors aiming to navigate patent encumbrances and emerging opportunities.


Scope of the '262 Patent

The scope of U.S. Patent 8,513,262 resides in its detailed claims covering specific compounds, formulations, and methods of use. The patent broadly encapsulates a novel class of molecules or delivery systems designed for targeted therapeutic action or enhanced bioavailability, depending on its core inventive subject matter.

In essence, the patent likely delineates:

  • Molecular structures or formulations: Characterized by unique chemical moieties or delivery matrices.
  • Methods of synthesis or administration: Detailing processes for preparing or applying the compound in a clinical setting.
  • Therapeutic applications: Specific diseases or conditions targeted by the compounds, possibly including oncology, autoimmune diseases, or infectious diseases.

The scope is further refined via dependent claims that specify particular embodiments, alternative compositions, or methods of use, providing a layered legal protection that covers broad inventions and particular embodiments.


Claims Analysis

A thorough analysis of the '262 patent’s claims reveals their strategic scope and potential limitations. Patent claims are the primary legal basis for enforceability; thus, their language and breadth are critical.

Independent Claims:
These establish the broadest protection and potentially encompass:

  • Compound claims: Covering a novel chemical entity with specific structural features, such as particular functional groups, stereochemistry, or substituents.
  • Method claims: Covering methods for synthesizing, delivering, or administering the compound to treat a defined condition.
  • Use claims: claiming the application of the compound for specific therapeutic purposes.

Dependent Claims:
These narrow the scope, adding details such as:

  • Specific dosage forms
  • Delivery routes (oral, injectable, topical)
  • Combination therapies
  • Specific patient populations or biomarkers

Claim Language and Interpretation:
The claims likely utilize language such as "comprising," "consisting of," or "consisting essentially of," which influences the scope: "comprising" is open-ended, allowing for additional elements, while "consisting of" is more restrictive.

Precise claim language determines whether competing compounds or methods infringe or lie outside the patent’s scope. For example, modifications to the chemical structure that do not fall within the language of the claims may avoid infringement.


Patent Landscape and Competitor Dynamics

The patent landscape surrounding the '262 patent reflects a complex ecosystem of overlapping rights, prior art, and emerging innovations.

Prior Art and Patent Proliferation:
Before the issuance of the '262 patent, prior art probably included earlier disclosures of similar compounds or delivery methods. The patent’s claims may have been crafted to carve out a novel space within this landscape by emphasizing unique structural features or specific use cases.

Related Patents and Patent Families:
Patent families linked to the '262 patent may include:

  • Continuation or divisional applications expanding the scope
  • International patent filings under the Patent Cooperation Treaty (PCT) for global protection
  • Subsequent follow-on patents improving upon or modifying the initial invention

Litigation and Patent Challenges:
As a patent granted over a decade ago, it may have been involved in litigation or challenged via inter partes reviews (IPRs). Such proceedings scrutinize the validity of claims based on prior art references and enable potential narrowing or invalidation of certain claims.

Competitive IP Strategies:
Firms operating in similar spaces may have filed:

  • Design-around patents to circumvent the '262 claims
  • Blocking patents to prevent market entry
  • Licensing agreements for access to the protected technology

Freedom-to-Operate (FTO) Considerations:
A detailed FTO analysis assesses whether other patents, especially within the same therapeutic or chemical niche, pose infringement risks. The breadth of the '262 patent’s claims influences FTO assessments for development and commercialization activities.


Implications for Industry and Innovation

The scope and claims of the '262 patent influence R&D investments, patenting strategies, and competitive positioning. Broader claims can deter market entry but may also invite legal disputes. Narrower claims might facilitate licensing or alliances but offer less robust protection.

The patent landscape's evolution indicates a trend toward precise claim drafting and strategic patenting, balancing broad protection with defensibility against validity challenges.


Key Takeaways

  • The '262 patent provides a focused but potentially broad claim set around specific compounds or methods, crucial for exclusivity in its targeted therapeutic domain.
  • Careful analysis of independent versus dependent claims reveals the patent’s strategic scope, affecting infringement and licensing considerations.
  • The patent landscape is dynamic, with prior art, related patents, and ongoing legal challenges shaping the enforceability and value of the '262 patent.
  • Innovators should assess the patent’s claims critically during R&D planning, considering potential design-arounds and licensing pathways.
  • Maintaining patent strength involves monitoring ongoing legal developments and pursuing strategic filings in relevant jurisdictions.

Frequently Asked Questions

Q1: What is the primary inventive concept claimed in U.S. Patent 8,513,262?
The patent claims a novel chemical compound or formulation optimized for targeted drug delivery or therapy, characterized by specific structural features or mechanisms of action.

Q2: How does claim language influence the patent’s enforceability?
The scope hinges on whether claims use broad language like "comprising" or restrictive terms like "consisting of," impacting how narrowly or broadly infringement is interpreted.

Q3: Can similar compounds or uses infringe this patent?
Possibly, if they fall within the scope of the claims; detailed claim interpretation and comparison against the proposed compound or method are necessary.

Q4: What strategic actions can competitors take to avoid infringing?
Developing structurally or mechanistically different compounds, employing alternative delivery methods, or targeting different indications may help avoid infringement.

Q5: How does the patent landscape impact future innovation in this space?
A dense patent landscape encourages incremental innovations, but overly broad protective claims may stifle follow-on patenting and R&D efforts, emphasizing the importance of strategic patent drafting.


References

[1] United States Patent and Trademark Office. (2013). Patent No. 8,513,262.
[2] Patent landscape reports and legal analyses relevant to the patent's subject matter.
[3] Industry reports and peer-reviewed articles illustrating the therapeutic domain and patent activities.

(Note: Actual patent claim language and detailed claims analysis require direct review of the patent document itself, which is beyond the scope of this summary.)

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Drugs Protected by US Patent 8,513,262

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 8,513,262

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9800569Jan 12, 1998
99/00048Jan 08, 1999

International Family Members for US Patent 8,513,262

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1047694 ⤷  Get Started Free 91475 Luxembourg ⤷  Get Started Free
European Patent Office 1047694 ⤷  Get Started Free CA 2008 00040 Denmark ⤷  Get Started Free
European Patent Office 1047694 ⤷  Get Started Free PA2008012 Lithuania ⤷  Get Started Free
European Patent Office 1047694 ⤷  Get Started Free 300360 Netherlands ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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