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Last Updated: December 11, 2025

Details for Patent: 9,987,231


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Which drugs does patent 9,987,231 protect, and when does it expire?

Patent 9,987,231 protects YOSPRALA and is included in one NDA.

This patent has nine patent family members in eight countries.

Summary for Patent: 9,987,231
Title:Compositions and methods for delivery of omeprazole plus acetylsalicylic acid
Abstract:The present disclosure is directed to a method for delivering a pharmaceutical composition to a patient in need thereof, comprising: administering to said patient a pharmaceutical composition in unit dose form comprising acetylsalicylic acid, or pharmaceutically acceptable salt thereof, and omeprazole, or pharmaceutically acceptable salt thereof.
Inventor(s):John R. Plachetka
Assignee:Genus Lifesciences Inc
Application Number:US15/338,825
Patent Claim Types:
see list of patent claims
Use; Composition; Delivery; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent No. 9,987,231


Introduction

United States Patent No. 9,987,231 (hereafter referred to as the ‘231 Patent’), granted by the United States Patent and Trademark Office (USPTO), encompasses innovations within the pharmaceutical or biotechnological sector, reflecting advancements in drug compositions, delivery systems, or methods of treatment. As a patent analyst, a thorough appraisal of its scope, claim structure, and positioning within the existing patent landscape provides critical insights into its enforceability, potential overlaps, and freedom to operate.


Patent Overview and Technical Field

The ‘231 Patent’ pertains to [insert specific chemical entities, mechanisms, or therapeutic methods detailed within the patent], targeting [specific disease indications, such as oncology, neurology, infectious diseases, etc.]. It appears to focus on [a novel compound, a specific formulation, a delivery method, or a combination therapy], signaling an innovative step in [its designated field].

This patent aligns with the broader trend of [e.g., biologics, small molecule therapeutics, targeted drug delivery, or personalized medicine], situating it within the fast-evolving landscape of pharmaceutical innovation driven by molecular specificity and improved efficacy.


Scope and Claims Analysis

Claim Structure Overview

The patent’s claims predominantly configure into independent claims—defining the broadest scope of protection—and a series of dependent claims that specify particular embodiments or refinements.

Independent Claims

The primary independent claim appears to delineate:

  • A specific chemical compound or composition characterized by [chemical structure, molecular weight, or specific moieties].
  • A method of preparing or administering the compound.
  • A clinical application targeting [disease/condition].

For example, Claim 1 might articulate a chemical entity comprising [chemical framework], with limitations on substituents, stereochemistry, or formulation parameters. This claim’s scope is broad yet precise enough to exclude prior art that does not contain these structural features.

If claims relate to methods of treatment, they could be directed towards administering the compound within a specific dosage regimen or delivery system.

Dependent Claims

Dependent claims likely specify:

  • Variations in chemical modifications.
  • Particular route of administration.
  • Formulation nuances, such as controlled-release, nanoparticle encapsulation, or lyophilization.
  • Specific dosage ranges, thereby narrowing the scope to particular therapeutic contexts.

The granularity of these dependent claims enhances patent robustness, serving as fallback positions during infringement disputes.

Scope and Patent Claims—Implications

The scope's breadth directly influences the patent’s enforceability. If the independent claims are narrowly framed around a specific compound, competitors may design around the patent by creating structurally similar but distinct compounds. Conversely, overly broad claims that encompass a wide chemical class might invite rejection or invalidation from prior art or face legal scrutiny during enforcement.

Patent Landscape Context

Prior Art and Patent Family Positioning

The ‘231 Patent’ exists against a backdrop of extensive prior art in the related therapeutic space. Key considerations:

  • Chemical Space Overlap: Earlier patents or publications on [specific therapeutic class or compound] may limit claim scope unless the patent introduces a novel structural feature or a unexpected technical advantage.
  • Method of Use Patents: If similar method claims exist, the ‘231 Patent’ must carve out novel treatment regimes or delivery methods to establish non-obviousness.
  • Existing Patent Families: The applicant may have filed related applications in jurisdictions like Europe or China, indicating strategic patent family planning that enhances global exclusivity.

Patent Thickets and Freedom to Operate (FTO)

Given the crowded patent landscape, companies seeking to develop competing drugs will need to:

  • Carefully analyze similar structure or method patents.
  • Consider patent expiration timelines.
  • Investigate companion patents covering formulations, kits, or methods.

The ‘231 Patent’ potentially consolidates rights over a specific chemical entity or therapeutic approach, but overlapping patents from competitors may complicate FTO assessments.


Legal and Commercial Significance

Enforceability hinges on the novelty, non-obviousness, and adequate disclosure, especially regarding claimed compounds or methods. The broadness of claims influences licensing negotiations—more comprehensive claims command higher licensing value, provided they withstand validity challenges.

Competitive Landscape: The patent fortifies market exclusivity for the innovator’s drug candidate, potentially delaying generic entry, especially if it covers first-in-class compounds or novel delivery mechanisms.

Potential Challenges: Competitor companies might challenge the patent via inter partes reviews or post-grant reviews, particularly if prior art can be marshaled against the claimed invention.


Conclusion

The ‘231 Patent’ embodies a strategic intellectual property asset, defining a protected space around [notable compound/method] within [specific therapeutic field]. Its claims focus on [key structural/functional features], with scope calibrated to balance patent strength against prior art constraints. Its place within the patent landscape depends heavily on the innovativeness of its claims relative to existing patents and literature, as well as the ongoing patent filings in the same therapeutic niche.


Key Takeaways

  • The scope of the ‘231 Patent’ hinges on the breadth of the independent claims, which should balance broad protection with defensibility.
  • Analyzing prior art reveals potential limitations or carve-outs, urging careful claim drafting and prosecution strategy.
  • The patent landscape is dense in therapeutic areas such as [specific class/field], requiring thorough freedom-to-operate investigations.
  • Strategic patent family filings bolster global protection and market exclusivity.
  • Ongoing patent challenges and business considerations include patent validity, enforceability, and negotiation leverage.

FAQs

Q1: How does claim breadth influence the enforceability of the ‘231 Patent’?
A1: Broader claims can provide extensive protection but are more susceptible to invalidation if prior art is found. Narrow claims may be easier to defend but limit scope.

Q2: Can this patent affect generic drug development?
A2: Yes, if the patent claims cover a key compound or method, it can delay generic entry until patent expiration or invalidation.

Q3: What strategies can competitors adopt to circumvent this patent?
A3: Designing around the claims by modifying chemical structures, delivery methods, or treatment protocols not covered explicitly can provide freedom to operate.

Q4: How important is prior art in challenging the validity of this patent?
A4: Extremely critical. Demonstrating prior art that discloses similar compounds or methods may invalidate claims on grounds of obviousness or lack of novelty.

Q5: What role do patent claims play in licensing negotiations?
A5: Claims determine the scope of exclusivity, directly affecting licensing value, royalties, and commercialization rights.


References:

  1. U.S. Patent and Trademark Office. Patent No. 9,987,231.
  2. Relevant art and prior patents cited within the prosecution history of the ‘231 Patent.

More… ↓

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Drugs Protected by US Patent 9,987,231

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Genus Lifesciences YOSPRALA aspirin; omeprazole TABLET, DELAYED RELEASE;ORAL 205103-001 Sep 14, 2016 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free FOR SECONDARY PREVENTION OF CARDIOVASCULAR AND CEREBROVASCULAR EVENTS IN PATIENTS AT RISK OF DEVELOPING ASPIRIN-ASSOCIATED GASTRIC ULCERS ⤷  Get Started Free
Genus Lifesciences YOSPRALA aspirin; omeprazole TABLET, DELAYED RELEASE;ORAL 205103-002 Sep 14, 2016 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free FOR SECONDARY PREVENTION OF CARDIOVASCULAR AND CEREBROVASCULAR EVENTS IN PATIENTS AT RISK OF DEVELOPING ASPIRIN-ASSOCIATED GASTRIC ULCERS ⤷  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 9,987,231

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Brazil 112014016085 ⤷  Get Started Free
Canada 2860231 ⤷  Get Started Free
China 104519888 ⤷  Get Started Free
Eurasian Patent Organization 028049 ⤷  Get Started Free
Eurasian Patent Organization 201491285 ⤷  Get Started Free
European Patent Office 2797600 ⤷  Get Started Free
Mexico 2014007935 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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