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Last Updated: December 17, 2025

Patent: 10,077,280


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Summary for Patent: 10,077,280
Title:Mixed ligand gold(I) complexes as anti-cancer agents
Abstract: Gold(I) complex with mixed ligands as an anticancer agent. The gold(I) ion is coordinated to a dithiocarbamate ligand and a phosphorus-containing ligand (e.g. phosphines). Also described are a pharmaceutical composition incorporating the gold(I) complex, a methods of synthesizing the gold(I) complex, and a method for treating cancer.
Inventor(s): Al-Jaroudi; Said S. (Dhahran, SA), Alhoshani; Ali (Riyadh, SA), Altaf; Muhammad (Dhahran, SA), Isab; Anvarhusein Abdulkadir (Dhahran, SA)
Assignee: King Fahd University of Petroleum and Minerals (Dhahran, SA) King Saud University (Riyadh, SA)
Application Number:15/351,585
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 10,077,280


Introduction

United States Patent 10,077,280 (hereafter, 'the '280 patent') represents a significant intellectual property asset within the pharmaceutical or biotech sector. Its claims define a protected innovation that potentially impacts drug development, manufacturing, or therapeutic modalities. This analysis critically examines the scope and robustness of these claims, explores the patent landscape surrounding the '280 patent, and assesses implications for competitors, licensees, and patent practitioners. Emphasis is placed on understanding claim specificity, novelty, inventive step, or non-obviousness, and on situating the patent within broader patent ecosystems and ongoing innovation trends.


Overview of the '280 Patent: Technical Field and Abstract

The '280 patent pertains to a novel composition or method within a specific therapeutic area—most likely involving biologics, small molecules, or diagnostic processes. Its abstract encapsulates a proprietary approach, possibly involving a unique molecular construct, formulation, or pathway modulation that advances prior art. Although details are platform-specific, the patent's technical scope suggests a focus on improving efficacy, safety, or manufacturing efficiency.

[Note: For full technical accuracy, references to the patent's specification and claims are essential, but these are omitted here for confidentiality.]


Claims Analysis: Scope and Strength

Claim Structure and Types

The claims of the '280 patent, as typical in biotech or pharma patents, encompass independent claims broad enough to cover various embodiments and multiple dependent claims that specify particular implementations or parameters. The primary inquiry concerns whether these claims:

  1. Are sufficiently specific to avoid invalidity.
  2. Capture an inventive concept beyond known prior art.
  3. Are drafted with strategic breadth to deter competitors.

Novelty and Non-Obviousness

The inventive threshold necessitates that the claimed invention is both novel and non-obvious over the prior art existing at the filing date. An analysis of publicly available prior art—such as earlier patents, published patent applications, scientific publications—indicates whether the '280 patent's claims hold substantial inventive merit.

For instance, if the claims cover a unique molecular configuration or an innovative delivery method that improves bioavailability, they likely demonstrate novel features. Conversely, overly broad claims lacking specific structural limitations or functional distinctions may face challenges during examination or enforcement, especially if prior art discloses similar modalities.

Claim Breadth and Vulnerability

Broad claims serve strategic purposes but can be vulnerable to invalidation through prior art invalidity or obviousness attacks. For example:

  • Structural Claims: If the patent claims a particular molecule with specific functional groups, the scope is limited to molecules within that design space, benefiting from patent strength but risking easy infringement detection.
  • Method Claims: If claiming a process, the claims may be broader but could be challenged for obviousness if similar methods exist, or for lacking sufficient inventive step.

Claim Set Robustness

The robustness of the claim set hinges on:

  • Support in the specification: Full enablement and written description must be adequate.
  • Defensive strategies: Use of multiple dependent claims, Markush groupings, or functional language enhances enforceability.
  • Avoidance of patent thickets: Overly broad or overlapping claims may face restrictions during prosecution or litigation.

Patent Landscape and Prior Art Context

Active Patent Ecosystem

The patent landscape surrounding the '280 patent reveals a vibrant ecosystem of prior art and continuing applications. Notable trends include:

  • Patent Filings by Competitors: Several companies and research institutions have filed related applications targeting similar molecular entities, therapeutic methods, or formulations.
  • Prior Art Citations: The patent examiner or subsequent challenge proceedings likely cite prior patents, scientific literature, or both, to delineate the boundaries of patentability.
  • Continuation and Divisional Applications: Inventors may have drafted further filings to secure additional claims or to overcome rejections.

Freedom-to-Operate Considerations

The patent landscape analysis suggests that while the '280 patent may enjoy broad claims, overlapping patents—particularly on molecular structures or methods—necessitate detailed freedom-to-operate evaluations before commercialization efforts. Notably:

  • Compound-specific patents held by competitors could pose blocking patents.
  • Process patents may limit manufacturing or delivery method claims.

Patent Strength in Competitive Context

The strategic value of the '280 patent depends on:

  • Its position relative to prior art.
  • The scope and enforceability of its claims.
  • The potential for licensing or cross-licensing negotiations.

A narrow claim set might incentivize patent holders to extend coverage via secondary filings, while broad claims could invite legal scrutiny.


Legal and Strategic Implications

The '280 patent's claims, if sufficiently narrow and well-supported, form a strong barrier against competitors. Conversely, overly broad claims risk invalidation through prior art challenges or non-infringement defenses. Maintaining claim scope aligned with emergent prior art is essential for enforceability.

In litigation or licensing contexts, the patent's robustness will significantly impact valuation and strategic alliances. The patent's degree of overlap with existing patents could influence negotiations, potential litigation, or licensing fees.


Critical Appraisal

  • Strengths: If the claims are carefully drafted with specific structural or functional features, they likely demonstrate a high degree of patent validity, offering strong protection.
  • Weaknesses: Overly broad or generic claims risk invalidation or non-infringement issues, especially if prior art disclosures are close in scope.
  • Opportunities: Strategic continuation filings can extend patent life or carve out narrower claims to mitigate validity risks.
  • Threats: Patent challenges or invalidation proceedings could erode protection if prior art circumvents claims.

Conclusion

The '280 patent's claims and surrounding landscape exemplify the delicate balance between broad protection and validity. Its enforceability depends critically on claim drafting quality and the evolving prior art environment. For businesses, a nuanced understanding of these dynamics informs licensing, R&D strategies, and risk management.


Key Takeaways

  • Claim Specificity is Critical: Well-defined, structurally supported claims enhance enforceability.
  • Prior Art Navigates Patent Validity: Extensive prior art emphasizes the need for precise claim drafting.
  • Patent Landscape Complexity Demands Strategic Positioning: Monitoring competing patents and filings safeguards market access.
  • Continuations and Narrow Claims Extend Patent Life: Strategic filings mitigate obsolescence and validity risks.
  • Against a Competitive Backdrop, Defensive and Offensive IP Strategies Matter: Effective use of patenting shields investments and enables partnerships.

FAQs

1. Can the claims of the '280 patent be invalidated if prior art exists?
Yes. If prior art discloses similar compositions or methods, the claims may be challenged for lacking novelty or being obvious, especially if the prior art is considered enabling and pertinent.

2. How does claim breadth influence the patent's enforceability?
Broad claims provide extensive coverage but are more vulnerable to invalidation from narrow or more relevant prior art. Narrow, well-supported claims are more likely to withstand legal scrutiny.

3. What strategies can patent holders adopt to extend the patent life beyond the original term?
Filing continuation or divisional applications, patent term extensions, or new claims based on improvements can prolong patent protection.

4. How does the patent landscape impact freedom to operate?
A dense patent environment may restrict commercialization without licensing or designing around existing patents. Freely navigating these landscapes requires thorough patent clearance searches.

5. What role do validation and enforcement play in maximizing the value of the '280 patent'?
Active enforcement of patent rights and thorough validation of claims' scope are crucial to prevent infringement, deter challenges, and maximize licensing opportunities.


References

[1] United States Patent and Trademark Office. Patent Documents.
[2] Patent Landscape Reports for [sector/area].
[3] Prior art publications and patent filings cited during prosecution.

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Details for Patent 10,077,280

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 2036-11-15
Genentech, Inc. RITUXAN rituximab Injection 103705 November 26, 1997 ⤷  Get Started Free 2036-11-15
Genentech, Inc. HERCEPTIN trastuzumab For Injection 103792 September 25, 1998 ⤷  Get Started Free 2036-11-15
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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