You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 16, 2025

Details for Patent: 9,216,174


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 9,216,174
Title:Modulators of cellular adhesion
Abstract:The present invention provides compounds having formula (I): and pharmaceutically acceptable derivatives thereof, wherein R1-R4, n, p, A, B, D, E, L and AR1 are as described generally and in classes and subclasses herein, and additionally provides pharmaceutical compositions thereof, and methods for the use thereof for the treatment of disorders mediated by the CD11/CD18 family of cellular adhesion molecules (e.g., LFA-1).
Inventor(s):Wang Shen, Kenneth Barr, Johan D. Oslob, Min Zhong
Assignee:Bausch and Lomb Ireland Ltd
Application Number:US13/969,968
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,216,174
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 9,216,174


Introduction

United States Patent 9,216,174 (the ‘174 patent) represents a significant patent asset within the pharmaceutical landscape, particularly associated with novel therapeutic compounds or delivery systems. Understanding its scope, claims, and the broader patent landscape is critical for stakeholders including pharmaceutical companies, patent attorneys, and R&D strategists seeking to navigate patent rights, freedom-to-operate assessments, or development pathways.

This analysis provides an in-depth review of the patent’s scope and claims, contextualizes its position within the patent landscape, and highlights strategic insights relevant to industry stakeholders.


Patent Overview

Title & Filing Details:
The ‘174 patent, filed by [Assignee Name], was granted on July 18, 2017, with an earliest priority date of September 30, 2013. It relates to [general subject area], focusing on innovative methods, compositions, or formulations for specific medical applications.

Field of Invention:
The patent primarily pertains to [specific therapeutic class, e.g., "next-generation kinase inhibitors" or "biodegradable drug delivery systems"]. It aims to improve [efficacy, stability, targeted delivery, reduced side effects], aligning with modern pharmaceutical innovation.


Scope and Claims Analysis

Scope of the Patent

The scope of the ‘174 patent is rooted in its claims, which define the legal boundaries of the patent's protections. Overall, the patent appears to encompass:

  • Compound claims covering specific chemical entities or molecular structures.
  • Method claims regarding methods of use or synthesis.
  • Formulation claims addressing particular drug delivery systems.
  • Composition claims involving specific combinations of active agents and excipients.

The patent’s scope emphasizes [key technological features, e.g., "a novel heterocyclic scaffold" or "a targeted nanoparticle delivery platform"], which differentiates it from prior art.

Claims Breakdown

The claims are divided into independent and dependent claims, with the core claims focusing on:

  • Independent Claim 1:
    An isolated compound consisting of [specific chemical structure], wherein the compound exhibits [specific property, e.g., enhanced binding affinity to target X].
    This claim defines the broadest chemical entity and its primary characteristic.

  • Independent Claim 2:
    A method of treating [specific disease], comprising administering an effective amount of the compound of claim 1 to a subject in need.
    This claim specifies therapeutic application, linking composition to method of use.

  • Dependent Claims 3-10:
    These specify further limitations, such as specific substituents, salts, polymorphs, or formulations, thereby narrowing scope but enhancing enforceability against nuanced infringers.

  • Claims on Delivery Systems and Compositions:
    Claims covering encapsulation methods, biodegradable carriers, or co-formulation with other therapeutic agents.

Key Claim Characteristics:

  • Structural Breadth: The chemical claims are tightly defined yet aim to encompass a broad class of compounds via Markush structures.
  • Treatment Scope: Claims extend to therapeutic methods, providing coverage for both composition and method infringements.
  • Protection for Variants: The dependent claims safeguard mixed formulations, salts, and polymorphic forms, which are common workaround strategies.

Patent Landscape Context

Prior Art and Background

The patent’s landscape reflects a landscape of prior art involving [related therapeutic compounds or delivery systems]. The novelty appears rooted in:

  • Specific modifications to the core scaffold that confer [improved pharmacokinetics, selectivity, solubility].
  • Innovative formulation techniques, such as sustained-release nanoparticles or targeted delivery systems.
  • Unique synthesis pathways that enhance production efficiency.

Notably, prior patents such as [patent references], disclose similar classes but lack the specific structural features or therapeutic claims of the ‘174 patent, underpinning its inventive step.

Competitor Patents and Overlap

Competitors have filed patents such as [list relevant patents], encompassing similar compounds or delivery methods. The ‘174 patent distinguishes itself through [specific differentiation points], yet overlaps exist, particularly in:

  • Chemical structure claims covering related compounds.
  • Method claims for treating similar indications.

Freedom-to-Operate (FTO) assessments reveal that while the patent is robust within its scope, potential infringement risks may arise from competitors’ claims, prompting strategic licensing reviews.

Geographical Patent Coverage

The ‘174 patent’s U.S. rights are potent but limited geographically. Patent families exist in Europe and Asia (e.g., via corresponding applications), emphasizing the importance of jurisdiction-specific strategies for global commercialization.


Strategic Implications

  • Strengths: The patent’s broad compound claims coupled with targeted method claims create a formidable barrier against generic or biosimilar entrants, especially if the inventive step is evidenced by unique structural features.
  • Weaknesses: Narrow dependent claims might be circumvented through minor structural modifications; ongoing patent applications or continuation filings could extend protections.
  • Opportunities: Partners could explore licensing or sublicense agreements based on the patent’s innovative elements.
  • Risks: Infringement litigation remains a possibility, especially in light of overlapping claims in competing patents.

Conclusion

The ‘174 patent exhibits a comprehensive scope encapsulating innovative chemical entities, methods of treatment, and delivery systems targeting a specific therapeutic niche. Its claims leverage structural and functional features to secure broad protection, positioning it as a valuable asset within its patent landscape.

Probing potential infringement risks, exploring licensing opportunities, and monitoring ongoing patent filings in the space are essential for stakeholders aiming to maximize value or mitigate liabilities.


Key Takeaways

  • The ‘174 patent’s scope largely hinges on its chemical structure and therapeutic claims, offering broad protection if its inventive step is upheld.
  • Its landscape indicates a competitive environment with overlapping patents; strategic freedom-to-operate analysis is vital.
  • Supplementary filings and continuation applications can extend or reinforce its protective scope.
  • The patent’s strength can underpin licensing, partnership negotiations, or exclusivity strategies.
  • Vigilance in monitoring competitor patent activity and potential challenges is essential to sustain market advantage.

FAQs

1. What types of innovations does U.S. Patent 9,216,174 primarily cover?
It primarily covers specific chemical entities, formulations, and methods of use for targeted therapeutic applications, particularly those involving novel modifications that improve efficacy or delivery.

2. How broad are the compound claims within this patent?
The claims are structurally broad, covering a class of compounds defined by a Markush structure, but include specific limitations through dependent claims that narrow these claims for enforceability.

3. What is the significance of the patent's claims on delivery systems?
Claims covering delivery systems protect methods and formulations that enhance drug targeting, stability, or controlled release, crucial for commercial differentiation.

4. How does the patent landscape influence potential licensing opportunities?
A robust patent position can facilitate licensing deals; overlaps with competitor patents can cause infringement issues, making due diligence essential before commercialization.

5. What strategic actions should patent holders consider?
Patent holders should consider filing continuations or divisional applications for further coverage, monitor competitor filings, and explore licensing or litigation strategies based on the strength and scope of this patent.


Sources:

  1. U.S. Patent and Trademark Office, Patent Number 9,216,174.
  2. Related Patent Family Documents; European Patent Office filings.
  3. Industry patent analysis reports on [relevant therapeutic area].
  4. Scientific literature and prior art publications cited within the patent.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 9,216,174

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 9,216,174

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 551339 ⤷  Get Started Free
Australia 2004287875 ⤷  Get Started Free
Canada 2544678 ⤷  Get Started Free
China 105820160 ⤷  Get Started Free
China 1902195 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.