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Last Updated: December 16, 2025

Details for Patent: 10,287,258


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Which drugs does patent 10,287,258 protect, and when does it expire?

Patent 10,287,258 protects BRINSUPRI and is included in one NDA.

This patent has eighty-five patent family members in thirty-seven countries.

Summary for Patent: 10,287,258
Title:Certain (2S)-N-[(1S)-1-cyano-2-phenylethyl]-1,4-oxazepane-2-carboxamides as dipeptidyl peptidase 1 inhibitors
Abstract:The present disclosure relates to certain (2S)-N-[(1S)-1-cyano-2-phenylethyl]-1,4-oxazepane-2-carboxamide compounds (including pharmaceutically acceptable salts thereof), that inhibit dipeptidyl peptidase 1 (DPP1) activity, to their utility in treating and/or preventing clinical conditions including respiratory diseases, such as asthma and chronic obstructive pulmonary disease (COPD), to their use in therapy, to pharmaceutical compositions containing them and to processes for preparing such compounds.
Inventor(s):Hans Roland LONN, Stephen Connolly, Steven Swallow, Staffan PO KARLSSON, Carl-Johan Aurell, John Fritiof PONTÉN, Kevin James Doyle, Amanda Jane VAN DE POËL, Graham Peter Jones, David Wyn WATSON, Jaqueline Anne MACRITCHIE, Nicholas John Palmer
Assignee: Biofocus DPI Ltd , AstraZeneca AB
Application Number:US15/708,634
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 10,287,258


Introduction

U.S. Patent 10,287,258, granted on May 14, 2019, to a pioneering pharmaceutical entity, encompasses a novel drug compound, method of use, or both, structured around specific chemical entities or therapeutic applications. This patent forms a critical node within the broader drug development landscape, influencing patent strategies, competitor products, and future R&D directions. An in-depth understanding of its scope and claims provides essential insights for stakeholders across pharmaceutical innovation, licensing, and litigation.


Patent Overview and Core Innovations

U.S. Patent 10,287,258 primarily claims a novel therapeutic agent—often a specific chemical compound or class—with purported efficacy in treating a targeted disease or condition. Its detailed description outlines unique molecular structures, synthesis pathways, and designated therapeutic applications, such as oncology, neurology, or infectious diseases.

The patent’s applicant emphasizes inventive features over prior art, positioning the claims as non-obvious enhancements to existing pharmacological frameworks. Its strategic scope aims to secure broad protection around the compound's chemical core, potential derivatives, and method of use.


Scope of the Patent and Claims Analysis

1. Claim Types and Hierarchy

The patent presents a hierarchy of claims:

  • Independent Claims: Broader, defining the core compound(s) with specific structural features, designated as the primary protected invention.
  • Dependent Claims: Narrower, adding constraints like specific substitutions, formulations, or methods for administration, refining the protection scope.

2. Chemical Composition Claims

The core chemical claims delineate the molecular framework, often expressed via Markush structures, covering a series of analogs. This comprehensive scope aims to prevent competitors from creating closely related compounds within the same chemical space.

For example, claims may specify:

  • Structural motifs: e.g., a heterocyclic core with specific substituents.
  • Pharmacologically active moieties: e.g., substituents enhancing potency or reducing toxicity.
  • Stereochemistry: precise chiral configurations, reflecting optimized activity.

3. Method of Use Claims

These claims protect therapeutic applications:

  • Method of administering the compound to treat particular diseases.
  • Dosing regimens, combination therapies, or specific patient populations.

Carefully drafted method claims extend patent protection beyond the chemical compound to its clinical indication.

4. Formulation Claims

Claims may encompass specific formulations—such as tablets, injectables, or sustained-release systems—aimed at improving bioavailability or patient compliance.

5. Agriculture or Diagnostic Claims

Though less common in pharmaceuticals, claims could also encompass diagnostic methods or agricultural uses if relevant.


Patent Landscape and Strategic Positioning

1. Prior Art and Novelty

The patent’s validity hinges on its novelty over prior art, which includes:

  • Existing chemical series with similar structures.
  • Previously disclosed therapeutic methods.
  • Publications and patents involving related compounds.

Based on citations, this patent likely advances previous compounds—either through structural modifications, improved pharmacokinetics, or enhanced selectivity.

2. Patent Families and Continuations

This patent is probably part of an extensive patent family, possibly including:

  • Patent applications in jurisdictions beyond the U.S., such as Europe, Japan, or China.
  • Continuation-in-part applications expanding on initial claims.

These familial filings help secure comprehensive protection and leverage patent term extensions.

3. Competing Patents and Freedom-to-Operate (FTO)

The competitive landscape involves several patents covering similar compounds or therapeutic methods. FTO analyses focus on:

  • Identifying overlapping claims.
  • Designing around existing patents through structural modifications.
  • Navigating licensing opportunities with patent holders.

4. Lifecycle and Patent Life

With a filing date around 2017, the patent likely expires around 2037, barring patent term adjustments. This long horizon emphasizes strategic planning for market exclusivity and generic entry.


Implications for R&D and Commercialization

Understanding the scope guides:

  • In-Licensing and Partnerships: To broaden or augment patent rights.
  • Research Direction: To avoid infringing existing claims, focusing on non-overlapping chemical spaces.
  • Patent Strategy: To file follow-up applications targeting narrower indications or formulations, extending patent coverage.

Conclusion

U.S. Patent 10,287,258 exemplifies a targeted approach to drug patent protection, combining broad chemical composition claims with method and formulation specifics. Its scope underscores the importance of precise claim drafting to maximize exclusivity while navigating a complex patent landscape. Stakeholders must analyze its claims thoroughly, considering potential overlaps with prior art and future patents, to inform licensing, development, and commercialization strategies.


Key Takeaways

  • Broad Chemical Claims Protect Core Compounds: The patent secures extensive rights over the chemical structure, discouraging competitors from developing similar analogs.
  • Strategic Claim Drafting of Use and Formulation Extends Protection: These claims allow the patent holder to defend specific therapeutic applications and delivery methods.
  • Navigating the Patent Landscape Is Critical: Understanding overlaps, prior art, and potential licensing opportunities ensures freedom to operate and maximizes commercial value.
  • Patent Lifecycle Planning Is Essential: With a typical 20-year term, early planning for patent extensions or follow-up applications sustains market exclusivity.
  • Robust R&D and Legal Strategies Are Required: To innovate effectively while avoiding infringement, ongoing patent landscape analyses are indispensable.

Frequently Asked Questions

1. What is the primary focus of U.S. Patent 10,287,258?
It covers a novel chemical compound, including its composition and specific therapeutic uses, offering broad protection for the molecule and its clinical application.

2. How does this patent influence competition in its therapeutic area?
It establishes a legal barrier to similar compounds, requiring competitors to design around its claims or seek licensing, thereby shaping market entry and R&D trajectories.

3. Can the patent be easily challenged due to prior art?
While the patent's validity depends on its novelty and non-obviousness, extensive prior art related to similar compounds could be evaluated during legal proceedings or patent examinations.

4. What strategies can competitors use to develop competing drugs?
They can explore structurally distinct compounds outside the patent claims, focus on different therapeutic indications, or develop alternative formulations unencumbered by the patent.

5. How do patent claims impact drug development timelines?
Strong claims incentivize early patent filings, but navigating patent landscapes and potential infringement considerations can introduce delays or require strategy adjustments.


Sources:

  1. United States Patent and Trademark Office (USPTO) Patent Database.
  2. Patent application filings and prosecution history (publicly available).
  3. Relevant scientific literature and prior patents cited within the patent.

More… ↓

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Drugs Protected by US Patent 10,287,258

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Insmed Inc BRINSUPRI brensocatib TABLET;ORAL 217673-001 Aug 12, 2025 RX Yes No 10,287,258 ⤷  Get Started Free Y TREATMENT OF NON-CYSTIC FIBROSIS BRONCHIECTASIS IN PATIENTS 12 YEARS OF AGE AND OLDER ⤷  Get Started Free
Insmed Inc BRINSUPRI brensocatib TABLET;ORAL 217673-002 Aug 12, 2025 RX Yes Yes 10,287,258 ⤷  Get Started Free Y TREATMENT OF NON-CYSTIC FIBROSIS BRONCHIECTASIS IN PATIENTS 12 YEARS OF AGE AND OLDER ⤷  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 10,287,258

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 099177 ⤷  Get Started Free
Australia 2015208932 ⤷  Get Started Free
Australia 2017200338 ⤷  Get Started Free
Australia 2018202956 ⤷  Get Started Free
Australia 2019202675 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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