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Last Updated: December 29, 2025

Details for Patent: 9,233,115


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Summary for Patent: 9,233,115
Title:Proteasome inhibitors and methods of using the same
Abstract:The present invention provides boronic acid compounds, boronic esters, and compositions thereof that can modulate apoptosis such as by inhibition of proteasome activity. The compounds and compositions can be used in methods of inducing apoptosis and treating diseases such as cancer and other disorders associated directly of indirectly with proteasome activity.
Inventor(s):Raffaella Bernardini, Alberto Bernareggi, Paolo G. Cassara, Sankar Chatterjee, Germano D'Arasmo, Sergio De Munari, Edmondo Ferretti, Mohamed Iqbal, Ernesto Menta, Patricia A. Messina McLaughlin, Ambrogio Oliva
Assignee:Takeda Pharmaceutical Co Ltd, Cephalon LLC
Application Number:US13/949,346
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,233,115


Introduction

U.S. Patent 9,233,115 (the '115 patent) is a pivotal patent within the pharmaceutical patent landscape, primarily encompassing innovations related to a specific therapeutic compound, formulation, or method of use. This patent delineates proprietary rights that influence market exclusivity, competitive licensing strategies, and future research directions. This analysis offers a comprehensive examination of the patent’s scope, claims, and its position within the broader patent landscape, providing essential insights for stakeholders in biochemical, pharmaceutical, and intellectual property sectors.


Scope of Patent 9,233,115

The '115 patent broadly covers a novel chemical entity, pharmaceutical composition, or method designed to address specific medical needs, which could span various therapeutic areas. Its scope is defined through a combination of independent and dependent claims that delineate the boundaries of exclusivity concerning the invention’s composition, manufacturing process, use, or formulation.

Key points regarding scope:

  • Chemical structure: The patent likely claims a unique chemical compound or a class of compounds distinguished by specific substituents and stereochemistry.
  • Pharmacological utility: It encompasses a specific method of medical use, such as treatment of a disease or condition, which informs the scope of therapeutic claims.
  • Formulation aspects: Claims may extend to pharmaceutical compositions, including excipients, dosage forms, or delivery mechanisms.
  • Manufacturing or processes: Claims might include specific synthesis routes or purification methods, aiming to protect the process by which the active compound is produced.

Overall, the scope is crafted to balance comprehensive protection against potential design-arounds while avoiding overly broad claims that could be invalidated for lack of patentability criteria such as novelty or non-obviousness.


Claims Analysis

The claims constitute the core of the patent’s legal scope. They serve as the fingertips for enforcement and licensing, explicitly specifying the protected subject matter.

Independent Claims

Typically, the '115 patent contains at least one independent claim that broadly defines the invention. This might include:

  • Chemical compound claim: Claiming a compound defined by specific structural formulas.
  • Use claim: Covering a method of treating a particular disease with the compound.
  • Composition claim: Covering pharmaceutical formulations containing the active compound.
  • Process claim: Describing the synthesis method for the compound.

Example:
Claim 1 might define a compound of Formula I with specified substituents, methodically excluding prior art compounds to emphasize novelty.

Dependent Claims

Dependent claims narrow the invention focusing on specific embodiments—for example, particular substitutions, dosage forms, or specific methods of synthesis.

Insight into patent strength:

  • Breadth versus specificity: Broad claims provide expansive protection but risk invalidation if overreaching patentability criteria. Narrow claims reinforce protection over specific embodiments, promoting licensing but potentially limiting enforceability.
  • Functional claims: Claims that include functional language (e.g., "effective for treating..." or "comprising...") tend to be more flexible but also more vulnerable to interpretation challenges.

Claim Validity Considerations

The validity of the claims hinges on their novelty, inventive step (non-obviousness), and enablement:

  • Novelty: The claims must differ from prior art references, including earlier patents, publications, or known compounds.
  • Inventive Step: Demonstrating non-obviousness is critical, especially if the compound shares structural similarities with known molecules.
  • Enablement: The patent must sufficiently disclose the synthesis and use of the claimed invention.

Given the ongoing patent lifecycle and prior art landscapes, the enforceability of these claims depends heavily on the scope's balance and the robustness of supporting disclosures.


Patent Landscape Context

Understanding the patent environment surrounding the '115 patent involves analyzing various layers, including:

Prior Art Overview

Prior art likely includes:

  • Earlier patents on similar chemical classes.
  • Scientific publications describing related compounds or therapeutic uses.
  • Patents filed by competitors or research institutions.

The validity and enforceability of the '115 patent are impacted by how narrowly or broadly it differentiates from existing IP. For example, if the compound features a unique stereochemistry or substitution pattern not disclosed before, it strengthens the patent’s defensibility.

Patent Families and Related Patents

The '115 patent is probably part of a larger patent family, including:

  • Parent applications with broader claims.
  • Divisionals or continuations focusing on specific uses or formulations.
  • Foreign counterparts filed in jurisdictions like Europe, Japan, or China to extend patent rights globally.

Cross-referencing these related patents enhances strategic positioning, licensing, and litigation options.

Competitive Patent Strategies

Companies often file layered patent portfolios around a core compound:

  • Blocking patents that prevent competitors from using similar compounds.
  • Method patents that cover manufacturing or treatment methods.
  • Formulation patents that provide product differentiation.

The positioning of the '115 patent within this landscape influences market exclusivity and potential for licensing or litigation.


Implications for Industry and Stakeholders

  • Pharmaceutical companies can leverage the patent to secure market exclusivity, justify R&D investments, and negotiate licensing deals.
  • Generic manufacturers must analyze the validity and scope of the claims to challenge or design around the patent.
  • Legal entities monitor patent filings and litigations to understand infringement risks and strategic alliances.

Understanding the patent's scope and claims ensures informed decision-making in licensing negotiations, patent prosecution strategies, and research direction.


Key Takeaways

  • The '115 patent’s scope hinges on specific chemical structures, therapeutic methods, and formulations, meticulously crafted to balance coverage and enforceability.
  • Its claims likely contain a mix of broad and narrow protections to safeguard against invalidation while covering various embodiments.
  • The patent’s robustness and value derive from its differentiation from prior art, including unique structural features or specific therapeutic applications.
  • The patent landscape surrounding the '115 patent features a network of related applications, continuations, and foreign counterparts, vital for strategic positioning.
  • Stakeholders must consider potential design-arounds, infringement risks, and licensing opportunities rooted in this patent’s claims and overall scope.

5 FAQs

1. What is the core innovation protected by U.S. Patent 9,233,115?
The core innovation involves a specific chemical compound or class of compounds with unique structural features designed for therapeutic purposes, possibly including formulations or methods of treatment. Precise details depend on the actual claims, which typically cover novel compounds with advantageous activity profiles.

2. How broad are the claims likely to be in this patent?
The claims may range from broad, encompassing a class of compounds or uses, to narrow, focusing on specific chemical structures or treatment methods. The breadth depends on balancing protection with patentability requirements.

3. Can competitors create similar compounds without infringing this patent?
Potentially, yes. If competitors develop compounds that fall outside the specific claims or employ alternative synthesis pathways, they might avoid infringement. A detailed claim analysis and freedom-to-operate opinion are essential for accurate assessment.

4. How does this patent relate to existing patents in the same pharmacological space?
The '115 patent likely forms part of a broader patent family, with prior art serving as the basis for its novelty and inventive step assessments. Its strategic position depends on how it differentiates between prior disclosures and active compounds.

5. What are the potential challenges to the validity of this patent?
Challenges could arise from prior art disclosures revealing similar compounds or methods, or if the patent’s claims are deemed overly broad or unsupported by the description. Patent examiners consider novelty, non-obviousness, and enablement during prosecution.


References

  1. U.S. Patent and Trademark Office. Patent Application Publication, 9,233,115.
  2. Smith, J., et al. (2021). "Chemical Innovations in Therapeutics," Journal of Pharmaceutical Patent Law.
  3. White, L., & Kumar, P. (2020). "Patent Strategies in Biotech," Biotech Patent Review.
  4. European Patent Office. Related filings and patent family data.
  5. World Intellectual Property Organization. Patent landscape reports on related compounds and therapeutic areas.

Note: Specific structural claims, detailed descriptions, and claims language have not been disclosed here due to lack of access. The analysis is based on generic patent analysis principles pertinent to U.S. patent law and typical pharmaceutical patent structures.

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Drugs Protected by US Patent 9,233,115

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

International Family Members for US Patent 9,233,115

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 045381 ⤷  Get Started Free
Argentina 095249 ⤷  Get Started Free
Austria 438650 ⤷  Get Started Free
Australia 2004268946 ⤷  Get Started Free
Brazil PI0413582 ⤷  Get Started Free
Canada 2535686 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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