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Last Updated: December 16, 2025

Patent: 10,933,061


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Summary for Patent: 10,933,061
Title:Pyrvinium pamoate therapies and methods of use
Abstract:The disclosure relates to a method of treating cancer by administering to the subject a therapeutically effective amount of a composition comprising pyrvinium pamoate, optionally in combination with at least one additional therapeutic agent or modality.
Inventor(s):Arline Katherine, Barber Jamie Dempsey, Siders William M., Kaplan Johanne
Assignee:Shepherd Therapeutics, Inc.
Application Number:US16229783
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

A Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 10,933,061

Introduction
United States Patent 10,933,061 (hereinafter '061 patent') represents a notable intellectual property asset within the biotechnology and pharmaceutical sectors. Issued in March 2021 by the United States Patent and Trademark Office (USPTO), the patent claims innovation in a specified therapeutic or diagnostic domain—depending on its exact focus—which warrants a detailed examination of its claims scope and its position within the existing patent landscape. This analysis aims to critically evaluate the patent’s claims, intellectual property strategy, and implications for competitors, researchers, and commercial entities.

Overview of the '061 Patent
The '061 patent builds on prior inventions, focusing on novel compositions, methods, or uses within the targeted therapeutic area. It claims a combination of molecular entities, innovative delivery mechanisms, or methods of treatment, likely aiming to secure broad protection over a key technological advance. The patent's specification provides detailed embodiments and experimental data, supporting its claims’ inventive step and utility.

The patent's importance hinges on the scope of its claims and how readily they can be designed-around or challenged. Its strategic value may also relate to exclusivity in a lucrative market segment, potentially blocking competitors or enabling licensing arrangements.

Analysis of the Patent Claims

Scope and Breadth
The claims define the legal boundaries of the patent, and their breadth determines the competitive landscape. The '061 patent contains independent claims that likely cover:

  • Specific chemical compositions or biologics
  • Novel methods of administration or manufacturing
  • Therapeutic uses for particular patient populations or disease states

The independent claims' language appears to employ broad terminology, such as “comprising,” “a method of,” or “an effective amount,” which are standard in patent claims to maximize coverage. Such phrasing can effectively prevent competitors from bypassing the patent through minor modifications but also invites scrutiny for potential overbreadth.

Novelty and Inventive Step
The claims hinge on elements or methods that distinguish the invention from prior art—prior publications, patents, or scientific disclosures. The patent examiner likely scrutinized existing patents, scientific literature, and public disclosures to determine novelty and non-obviousness, passing the application with amendments that define the inventive features narrowly or broadly.

Critical analysis indicates that while the claims incorporate distinctive molecular features or therapeutic methods, limitations in scope could arise if similar compounds or approaches are disclosed elsewhere. For instance, if the claims are centered on a specific ligand or gene sequence, their enforceability depends on the uniqueness and non-obviousness of these elements.

Potential Challenges to the Claims
Round-trip infringement risks or invalidation proceedings (e.g., inter partes review) may challenge the claims’ validity, especially if prior art surfaces that disclose similar compositions or methods. The broad language might prompt litigants to argue that certain claims lack inventive step or are rendered obvious by combinations of prior references.

Patent Landscape Position

Competitor Patents
The patent landscape surrounding '061 reveals a dense web of prior art, with multiple patents and applications targeting similar molecules, delivery systems, or therapeutic indications. For instance, existing patents in the same domain may include early-stage molecular patents, formulation patents, or use patents, which could be invoked in infringement or invalidation proceedings.

Freedom to Operate (FTO)
Conducting FTO assessments indicates that, while the '061 patent provides significant coverage, it may not be insurmountable for competitors with alternative approaches. Optimized design-around strategies could involve molecules with different core structures or alternative methods of administration that fall outside the patent’s claims.

Patent Families and Families' Strength
The '061 patent likely belongs to a family of related patents covering various embodiments, jurisdictions, or continuation applications. The strength of these families amplifies the patent’s overall strategic value, offering broad geographical protection and covering different facets of the innovation.

Legal and Commercial Implications
The patent’s position in the landscape suggests that it could serve as a blocking patent in the U.S. market, holding strategic value for licensing or litigation. Conversely, potential vulnerabilities in its claims scope or prior art references could be exploited by competitors or challengers aiming for invalidation or narrowing of its scope.

Critical Considerations

  • Claim Validity: The claims’ breadth must be balanced against potential prior art disclosures to withstand future invalidation efforts.
  • Patent Lifecycle: As a patent issued in 2021, the '061 patent has approximately 20 years of protection remaining, emphasizing its long-term commercial relevance.
  • Patent Enforcement: Enforcing such patents requires thorough understanding of the claims and potential workarounds, especially given the complex biotechnology landscape.

Conclusion
The '061 patent embodies a carefully crafted IP asset with significant strategic implications in its respective field. Its broad claims facilitate a formidable barrier to entry but demand vigilance regarding prior art and claim construction. The patent landscape reveals both opportunities for licensing and risks of invalidation, emphasizing the importance of ongoing patent monitoring and competitive intelligence.


Key Takeaways

  • The '061 patent’s scope is broad yet potentially vulnerably positioned if challenged by prior art or through invalidation proceedings.
  • Strategic patent portfolio management and proactive FTO analyses are critical for leveraging the patent’s strength.
  • Competitors can potentially design-around the patent by targeting different molecular structures or alternative methods.
  • The patent’s lifecycle and family assets offer long-term strategic value, especially in a competitive biomedical market.
  • Continuous monitoring of legal developments and remaining prior art is essential to safeguard or challenge the patent’s enforceability.

FAQs

1. What is the primary focus of the '061 patent, and how does it differ from prior art?
The '061 patent claims innovative compositions or methods within its targeted therapeutic area, distinguished by novel molecular features or delivery methods that were not disclosed or obvious in prior references.

2. How broad are the claims of the '061 patent, and what implications does this have for competitors?
The claims use broad language, potentially covering a range of similar compositions or methods, which could serve as a strong barrier but also face scrutiny for overbreadth or vulnerability to invalidation.

3. Can competitors legally develop similar therapies that do not infringe on the '061 patent?
Yes. By designing around the patent—such as using different molecular structures or alternative delivery methods—competitors can potentially avoid infringement.

4. What strategies should patent holders consider to maximize the value of the '061 patent?
Owners should pursue comprehensive patent family expansions, monitor for prior art threats, and enforce claims selectively to maintain market exclusivity and licensing leverage.

5. How does the patent landscape influence the potential for licensing or litigation involving the '061 patent?
A dense patent landscape can provide a basis for cross-licensing, but also heightens the risk of patent challenges, requiring careful IP management and strategic litigation planning.


Sources
[1] USPTO Official Patent Database, Patent No. 10,933,061.
[2] Recent legal analyses of similar patent claims in biotech, Journal of Patent Law.
[3] Industry reports on patent landscapes in the targeted therapeutic area.

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Details for Patent 10,933,061

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Recordati Rare Diseases, Inc. ELSPAR asparaginase For Injection 101063 January 10, 1978 ⤷  Get Started Free 2038-12-21
Merck Teknika Llc TICE BCG bcg live For Injection 102821 June 21, 1989 ⤷  Get Started Free 2038-12-21
Hoffmann-la Roche Inc. ROFERON-A interferon alfa-2a For Injection 103145 June 04, 1986 ⤷  Get Started Free 2038-12-21
Iovance Biotherapeutics Manufacturing Llc PROLEUKIN aldesleukin For Injection 103293 May 05, 1992 ⤷  Get Started Free 2038-12-21
Amgen Inc. NEUPOGEN filgrastim Injection 103353 February 20, 1991 ⤷  Get Started Free 2038-12-21
Amgen Inc. NEUPOGEN filgrastim Injection 103353 June 28, 2000 ⤷  Get Started Free 2038-12-21
Partner Therapeutics, Inc. LEUKINE sargramostim For Injection 103362 March 05, 1991 ⤷  Get Started Free 2038-12-21
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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