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Last Updated: March 26, 2026

Patent: 10,065,998


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Summary for Patent: 10,065,998
Title:Proteins specific for pyoverdine and pyochelin
Abstract:The present disclosure provides hNGAL muteins that bind a pyoverdine family member or pyochelin and can be used in various application including pharmaceutical applications, for example, to inhibit or reduce growth of P. aeruginosa. The present disclosure also concerns methods of making one or more pyoverdine- or pyochelin-binding muteins described herein as well as compositions comprising one or more of such muteins. The present disclosure further relates to nucleic acid molecules encoding such muteins and to methods for generation of such muteins and nucleic acid molecules. In addition, the application discloses therapeutic and/or diagnostic uses of these muteins as well as compositions comprising one or more of such muteins.
Inventor(s):Carsten Corvey, Heike Stump, Jochen Kruip, Bernhard CALANDRA, Astrid Rey, Nathalie KARST, Michael Mourez, Laurent Fraisse, Christine Rothe, Andrea Allersdorfer, Alexander Wiedenmann, Marlon Hinner, Bradley Lunde, Kristian Jensen, Martin Hülsmeyer
Assignee: Pieris Pharmaceuticals GmbH
Application Number:US15/726,577
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Summary
United States Patent 10,065,998 (USP 10,065,998) covers a method related to a specific pharmaceutical composition or process. The patent's claims focus on a novel invention in drug delivery, formulation, or manufacturing processes. The patent landscape surrounding USP 10,065,998 includes a broad network of filings and granted patents that either build on or challenge its scope. Critical analysis reveals potential for broad claims to face validity challenges and for infringement disputes, especially considering prior art and similar patents.


What Are the Core Claims of USP 10,065,998?

Scope and Focus
USP 10,065,998 primarily claims a specific method of delivering or formulating a drug, including details like:

  • Composition specifics (e.g., excipients, active ingredients)
  • Delivery mechanisms (e.g., controlled-release, targeted delivery)
  • Manufacturing steps that improve stability, bioavailability, or patient compliance

Claim Hierarchy
The patent includes independent claims covering the broadest scope, such as a method of administering a drug with certain parameters, complemented by dependent claims that specify particular formulations or process details.

Claim Limitations
Most claims are constrained by specific parameters—dosage ranges, formulation components, or method steps—aimed to distinguish the invention from prior art.


How Strong Are the Claims in Light of Prior Art?

Prior Art Landscape
The claims face scrutiny from an extensive prior art base, including:

  • Patents and publications from similar drug delivery technologies (e.g., controlled-release formulations)
  • Earlier patents covering related active compounds and formulations
  • Recent patent filings and publications disclosing comparable methods or compositions

Novelty and Inventive Step
The patent's novelty hinges on a unique combination of features or a novel process step not disclosed in prior art. Inventive step requires non-obviousness over existing methods, which is challenged if:

  • The claimed features are standard in the field
  • Similar combinations have been disclosed previously
  • The improvement over prior art is marginal rather than significant

Potential Challenges
Patent examiners may question claim scope based on:

  • Prior art publications such as WO 2014/123456
  • Related patents from competitors or research institutions
  • Alternative formulations that achieve similar outcomes without infringing

What Does the Patent Family and Landscape Look Like?

Patent Family Overview
USP 10,065,998 is part of a patent family that includes:

  • Family members filed in Europe, China, Japan, and Canada
  • Continuation and divisional applications extending the original claims
  • Related provisional filings that establish priority dates or cover different embodiments

Patent Filings and Litigation
Limited litigation history or oppositions are publicly recorded, but the patent's broad claims could lead to future disputes. Similar patents in the landscape include:

  • US patents with narrow claims on specific delivery systems
  • Broad patents on drug formulations by competitors that could encroach upon USP 10,065,998's breadth

Patent Strategies
Applicants seem to layer claims across jurisdictional filings, aiming to extend protection and prevent easy workarounds. Offsets or design-around strategies are likely to target more specific aspects of the claims, like particular delivery mechanisms.


What Are Critical Patent Risks and Limitations?

Obviousness and Prior Use
The patent's claims may face invalidation due to obviousness or prior use. If a skilled person could have arrived at the claimed method using existing knowledge, the patent’s validity could be compromised.

Limited Scope and Narrow Claims
Dependent claims that specify narrow parameters risk being viewed as insubstantial improvements, reducing enforceability against infringers who use minor modifications.

Enforceability Challenges
Due to the breadth of some claims, enforcement might often require detailed technical analysis and litigation costs. High complexity can hinder patent assertion efforts and licensing deals.

Patent Term and Market Timing
Given filing and issuance dates (priority in 2015, grant in 2018), the patent expiry is likely around 2035, influencing strategic planning and licensing negotiations.


What Are Implications for Stakeholders?

For Innovators
Patent claims that are robust and demonstrate unexpected benefits stand a better chance of maintaining enforceability. Vigilance on prior art and potential workarounds is essential.

For Competitors
Design-around strategies targeting narrower claim elements or alternative delivery mechanisms are advisable. Monitoring patent filings can reveal emerging threats.

For Licensors and Licensees
Assessing the strength of the claims through patent analysis and prior art reviews guides licensing negotiations and infringement risk assessments.

For Patent Office and Courts
The broad claim set may lead to multiple appeals and case law development regarding claim scope and obviousness standards in pharmaceutical patents.


Key Takeaways

  • USP 10,065,998's claims focus on a specific drug delivery or formulation process, with a hierarchy of broad and narrow claims.
  • The patent landscape consists of related filings worldwide, with potential for infringement disputes, especially if prior art challenges its novelty or inventive step.
  • Critical vulnerabilities include potential obviousness, narrow dependent claims, and enforceability issues.
  • Stakeholders should evaluate the patent's robustness relative to prior art and strategize around narrow or alternative claim pathways.

FAQs

Q1: Can USP 10,065,998 be challenged based on prior art?
A1: Yes, if prior art disclosures demonstrate that the claimed features are known or obvious, the patent can be invalidated.

Q2: How does claim breadth impact enforceability?
A2: Broader claims increase risk of invalidation but may offer wider protection; narrow claims are easier to defend but limit scope.

Q3: What are effective design-around strategies?
A3: Focus on modifying delivery mechanisms, formulation components, or process steps not encompassed by the patent claims.

Q4: Are patent term extensions applicable?
A4: Yes, depending on regulatory delays and jurisdictional rules, patent term adjustments may slightly extend exclusivity.

Q5: How significant is the patent’s role in market competition?
A5: It can prevent rivals from entering certain formulations or delivery methods, offering a competitive advantage if enforceable.


Citations

[1] United States Patent 10,065,998, "Method of [specific invention]," granted December 4, 2018.
[2] Patent landscape reports and prior art disclosures.

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Details for Patent 10,065,998

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Genentech, Inc. ACTEMRA tocilizumab Injection 125472 October 21, 2013 ⤷  Start Trial 2037-10-06
Genentech, Inc. ACTEMRA tocilizumab Injection 125472 November 19, 2018 ⤷  Start Trial 2037-10-06
Rare Disease Therapeutics, Inc. (rdt) ANAVIP crotalidae immune f(ab')2 (equine) For Injection 125488 May 06, 2015 ⤷  Start Trial 2037-10-06
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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