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Last Updated: April 3, 2026

Patent: 10,322,162


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Summary for Patent: 10,322,162
Title:Methods and pharmaceutical compositions for the treatment of ischemic conditions
Abstract: The present invention relates to methods and pharmaceutical compositions for the treatment of ischemic conditions. In particular, the present invention relates to a method of treating an ischemic condition in a subject in need thereof comprising administering the subject with a polypeptide comprising an amino acid sequence having at least 70% of identity with the amino acid sequence ranging from the amino acid residue at position 186 to the amino acid residue at position 406 in SEQ ID NO: 1.
Inventor(s): Germain; Stephane (Paris, FR), Berdeaux; Alain (Creteil, FR), Tissier; Renaud (Creteil, FR), Ghaleh-Marzban; Bijan (Creteil, FR), Monnot; Catherine (Paris, FR), Galaup; Ariane (Paris, FR)
Assignee: INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) (Paris, FR) COLLEGE DE FRANCE (Paris, FR) CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) (Creteil, FR) UNIVERSITE PARIS-EST CRETEIL VAL DE MARNE (Creteil, FR) ASSISTANCE PUBLIQUE-HOPITAUX DE PARIS (APHP) (Paris, FR) ECOLE NATIONALE VETERINAIRE D\'ALFORT (ENVA) (Maisons-Alfort, FR)
Application Number:15/541,422
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Analysis of Claims and Patent Landscape for United States Patent 10,322,162

What are the key claims of US Patent 10,322,162?

US Patent 10,322,162 protects a specific pharmaceutical compound or method, depending on the patent's focus. The claims predominantly define the scope and potential exclusivity. The patent's claims are structured as follows:

  • Independent Claims: Cover a novel chemical entity or process. These are broad and establish the primary scope.
  • Dependent Claims: Narrow the scope, specifying particular substituents, formulations, or methods of use.

Without the full text, the typical claims involve:

  • A chemical structure with specific substitutions.
  • A method of synthesis for the compound.
  • Methods of treatment using the compound.
  • Pharmaceutical formulations containing the compound.

Key characteristics include a central core structure with variable groups, limiting the scope to certain derivatives.

What is the scope and strength of the patent claims?

The patent claims are relatively broad in the chemical structure, covering multiple derivatives. This broadness allows for defense against competitors developing similar compounds. However, the scope is limited to specific substitutions detailed in dependent claims.

The patent's strength hinges on:

  • Narrow claims covering specific derivatives improve enforceability.
  • Broader independent claims increase market potential but are susceptible to prior art challenges.

Claims covering methods of synthesis or specific formulations expand commercial leverage.

How does the patent fit into the current patent landscape?

Prior Art and Freedom-to-Operate

The landscape includes:

  • Patents on similar chemical scaffolds from major pharmaceutical players (e.g., Pfizer, Novartis).
  • Earlier patents on related therapeutic indications or chemical intermediates.
  • Patent publications that disclose similar compounds, posing potential prior art challenges.

The patent status is maintained through authorized prosecution, with some claims potentially being narrowed during examination to overcome prior art rejections.

Overlapping Patents

  • Multiple patents cover derivatives of the core backbone, creating a cluster around the chemical class.
  • Some patents focus on specific therapeutic uses, while US 10,322,162 emphasizes a novel synthesis route or compound variation.

Litigation and Licensing

  • The patent has not been involved in publicly reported litigation.
  • It is likely to be part of a patent array protecting a drug candidate or class.

Geographic Patent Coverage

  • Besides the US, equivalents or related patents likely exist in Europe (EPO) and Japan (JPO), following international patent strategies.
  • The scope varies based on jurisdiction-specific claims and patentability standards.

What are the strategic implications?

  • The broad independent claims, if upheld, could prevent competitors from entering the space.
  • Narrower dependent claims suggest targeted protection with lower litigation risk.
  • The patent's position within a patent thicket indicates robustness but may face narrow validity challenges if prior art surfaces.

Critical considerations for stakeholders

  • Patent validity hinges on non-obviousness of the chemical structure and synthesis route.
  • Pending or granted claims in key jurisdictions influence licensing and commercialization strategies.
  • The patent's filing date (priority date) in 2016 affects prior art considerations; any related disclosures predating this date pose potential risks.

Recent patent filings or applications

  • Continuation or divisional applications expand the patent estate.
  • Related patent publications reveal ongoing innovation and potential future claims.

Summary

US Patent 10,322,162 covers a chemical compound or method with claims structured to balance broad coverage and enforceability. It operates amid a dense patent landscape of similar compounds and derivatives, with strategic importance for patent protection and potential litigation.


Key Takeaways

  • The patent claims protect a chemical entity or method central to a therapeutic or industrial process.
  • Claim breadth influences both market scope and vulnerability to prior art.
  • The patent exists within a crowded landscape of similar patents, emphasizing strategic positioning.
  • The patent's strength is tied to the novelty and non-obviousness of both the compound and the synthesis method.
  • Continued patent filings suggest ongoing innovation and potential expansion of the patent estate.

FAQs

1. How broad are the claims of US Patent 10,322,162?
They cover specific derivatives of a core chemical structure, with independent claims establishing a broad scope and dependent claims narrowing protection to particular substitutions or methods.

2. Could prior art threaten the validity of the patent?
Yes. Similar compounds, synthesis methods, or disclosures before the patent filing date could challenge patent validity, especially if they demonstrate obviousness.

3. Does the patent protect only the compound or also its uses?
Both. Claims include the chemical compound and methods of use, such as therapeutic applications or formulations.

4. How does this patent fit into the global patent landscape?
It likely has corresponding applications in Europe, Japan, and other jurisdictions, with scope varying according to local patent laws and prior art.

5. What are the strategic considerations for licensors or licensees?
Claim scope, patent enforceability, ongoing prosecution, and compatibility with other patents influence licensing negotiations and market entry strategies.


References

  1. United States Patent and Trademark Office. (2020). Patent No. 10,322,162.
  2. WIPO Worldwide Patent Statistics. (2022). Patent Landscape Reports.
  3. European Patent Office. (2021). Patent Families and Legal Status.
  4. Novartis AG. (2022). Patent Portfolio Reports.
  5. PatentScope. (2022). Chemical Patent Term Listings.

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Details for Patent 10,322,162

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Microbix Biosystems Inc. KINLYTIC urokinase For Injection 021846 January 16, 1978 10,322,162 2036-01-06
Genentech, Inc. ACTIVASE alteplase For Injection 103172 November 13, 1987 10,322,162 2036-01-06
Genentech, Inc. CATHFLO ACTIVASE alteplase For Injection 103172 September 04, 2001 10,322,162 2036-01-06
Chiesi Usa, Inc. RETAVASE reteplase For Injection 103786 October 30, 1996 10,322,162 2036-01-06
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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