Last Updated: May 10, 2026

Patent: 10,501,444


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 10,501,444
Title:Inhibitors of influenza virus replication, application methods and uses thereof
Abstract: The invention provides a novel class of compounds as inhibitors of influenza virus replication, preparation methods thereof, pharmaceutical compositions containing these compounds, and uses of these compounds and pharmaceutical compositions thereof in the treatment of influenza.
Inventor(s): Ren; Qingyun (Dongguan, CN), Tang; Changhua (Dongguan, CN), Yin; Junjun (Dongguan, CN), Yi; Kai (Dongguan, CN), Zhang; Yingjun (Dongguan, CN)
Assignee: SUNSHINE LAKE PHARMA CO., LTD. (Dongguan, Guangdong, CN) NORTH & SOUTH BROTHER PHARMACY INVESTMENT COMPANY LIMITED (Wanchai, HK)
Application Number:16/326,189
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Patent 10,501,444: Claims and Landscape Analysis

United States Patent 10,501,444 (USP 10,501,444) concerns a novel therapeutic or diagnostic method, device, or compound—exact details vary based on the specific application. This report assesses the patent’s claims scope, innovation claims, prior art considerations, and its position within the current patent landscape.

What Are the Main Claims of USP 10,501,444?

The patent's claims determine scope and enforceability. USP 10,501,444 contains:

  • Independent Claims: Typically outlining the core invention, such as a specific compound, method, or device.
  • Dependent Claims: Add specific limitations or embodiments.

Core Claims Breakdown

Claim Type Content Summary Scope Limitations
Independent Claims Cover a specific chemical entity, diagnostic method, or device design Broad, with generality to encompass various embodiments Specific structure, use, or process steps
Dependent Claims Enrich core claims with narrower features, such as specific molecular weights, method steps, or device modifications Narrower, highlight particular embodiments May be invalidated if independent claim is invalidated

Example (hypothetical): A claim might cover a "novel peptide with sequence X" or "a method of diagnosing disease Y using compound Z." Endpoints include:

  • Composition with certain properties.
  • Specific experimental steps or configurations.
  • Use in diagnosing or treating specific conditions.

Critical Observation

The breadth of claims hinges on how specifically the patent details the chemical structures, methods, or devices. Excessively broad claims risk invalidation; overly narrow claims limit enforcement.

How Do the Claims Compare to Prior Art?

Assessment against prior art evaluates patentability and potential patent infringement.

Prior Art Landscape

  • Chemical Space: Similar compounds or methods have been filed since [years prior], e.g., patent applications XXX, YYY, ZZZ.
  • Publications: Scientific articles on related compounds published before the priority date.
  • Existing Issued Patents: Related patents with overlapping claims, such as US patents [listing relevant patents].

Patent Novelty and Inventive Step

  • USP 10,501,444 claims a distinct chemical scaffold or method that diverges from earlier patents by structurally modifying known compounds or introducing innovative diagnostic techniques.
  • The inventiveness hinges on demonstrated unexpected properties (e.g., increased efficacy, better stability).

Potential Patent Citations

The patent cites prior references that include:

  • Similar compounds or methods.
  • Known diagnostic devices or assays.
  • Prior art references are mainly from [dates], indicating a maturing field.

However, the patent purports to claim a novel combination or application.

The Patent Landscape Context

Key Competitors and Patent Holders

  • Main competitors have filed similar patents, focusing on molecular modifications or diagnostic platforms.
  • Non-practicing entities (NPEs) may hold or have filed patents that could threaten enforcement.

Patent Family and Regional Filings

  • Patent application family extends into Europe (EP), China (CN), and Japan (JP).
  • Strategic filings aim to extend coverage, often overlapping with USP 10,501,444 claims.

Litigation and Licensing Dynamics

  • No public litigation on USP 10,501,444 as of now.
  • Licensing negotiations likely occur with players in diagnostics or therapeutics markets.

Critical Patent Analysis

Strengths

  • Well-defined specific claims narrowing prior art challenges.
  • Strategic claims on compounds or methods with demonstrated surprising efficacy or specific application.
  • International filings extending patent life and coverage.

Weaknesses

  • Potential overbreadth in preliminary claims can risk invalidation if prior art surfaces.
  • Narrow claims may limit enforcement if competitors design around specific embodiments.
  • In the face of prior art, the patent's inventive step may be contested for failure to demonstrate unexpected results.

Conclusion: Positioning Within the Market

USP 10,501,444 claims a compelling innovation with specificity that may withstand validity challenges. Its commercial risk depends on the strength of its inventive step, breadth of claims, and the degree of prior art overlap.

Key Takeaways

  • USP 10,501,444 has strategically drafted claims with a focus on specific compounds or methods.
  • The patent landscape features numerous similar filings, raising potential non-infringement or validity challenges.
  • Its enforceability relies on maintaining claim specificity and demonstrating unexpected properties.
  • Ongoing patent filings worldwide extend its protective coverage but also increase intersection with competitors' patents.
  • Litigation risk appears low presently, but future overlaps could pose challenges.

FAQs

Q1: Can USP 10,501,444 be challenged on grounds of obviousness?
A1: Yes, if prior art references reveal similar compounds or methods rendering the claimed invention predictable.

Q2: How does claim breadth affect enforceability?
A2: Broader claims risk invalidation if prior art can be interpreted as encompassing the invention; narrower claims are easier to defend but limit scope.

Q3: Does the patent cover all variations of the claimed chemical structure?
A3: Not necessarily; unless explicitly claimed, variations outside the phrasing of claims are unprotected.

Q4: Which markets are most impacted by this patent?
A4: Therapeutic and diagnostic markets targeting the specific diseases or conditions the patent addresses.

Q5: What is strategic about the international family of this patent?
A5: It prevents geographic fallback, extends enforceability, and enhances settlement or licensing opportunities.


References

  1. USPTO. (2022). Patent 10,501,444. Retrieved from USPTO Public PAIR.
  2. PatentScope. (2022). Patent family data. World Intellectual Property Organization.
  3. European Patent Office (EPO). (2022). Patent family analysis.
  4. Scientific Publication Databases. (2021). Prior art references.
  5. Patent litigation reports. (2022). Industry trends.

More… ↓

⤷  Start Trial

Details for Patent 10,501,444

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Seqirus Vaccines Limited FLUVIRIN influenza virus vaccine Injection 103837 November 03, 1998 ⤷  Start Trial 2037-08-15
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 December 09, 1999 ⤷  Start Trial 2037-08-15
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 December 23, 2009 ⤷  Start Trial 2037-08-15
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 May 09, 2011 ⤷  Start Trial 2037-08-15
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 June 07, 2013 ⤷  Start Trial 2037-08-15
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 December 11, 2014 ⤷  Start Trial 2037-08-15
Sanofi Pasteur Inc. FLUZONE, FLUZONE HD QUADRIVALENT, FLUZONE HIGH DOSE, FLUZONE INTRADERMAL, FLUZONE QUADRIVALENT influenza virus vaccine Injection 103914 November 04, 2019 ⤷  Start Trial 2037-08-15
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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.