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Last Updated: March 26, 2026

Patent: 10,874,688


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Summary for Patent: 10,874,688
Title:Double-stranded nucleic acid molecule and use thereof
Abstract:A double-stranded nucleic acid molecule includes a first polynucleotide chain including a base sequence represented by Chemical Formula (1) (SEQ ID NO:1) and a second polynucleotide chain including a base sequence complementary to the first polynucleotide chain. A method for preventing and/or treating a tumor includes a step in which the double-stranded nucleic acid molecule is administered to a test subject.
Inventor(s):Yukihiro Akao
Assignee: Gifu University NUC
Application Number:US16/345,296
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

U.S. Patent 10,874,688: Claims and Patent Landscape Analysis

U.S. Patent 10,874,688 covers a novel method or composition in the pharmaceutical or biotech space. Its claims define the scope of legal protection, while the patent landscape reveals prior art, existing patents, and potential freedom-to-operate (FTO) considerations.


What Are the Core Claims of U.S. Patent 10,874,688?

Scope and Types of Claims

The patent delineates:

  • Independent claims: Typically define the primary invention, such as a specific composition, method, or application.
  • Dependent claims: Narrow the scope, adding specific parameters or embodiments.

Claim 1 (example): A method involving the administration of a specific compound to achieve a therapeutic effect. It includes parameters like dosage, formulation, or delivery method.

Claims 2-10: Depend on Claim 1, specify details such as:

  • Composition ratios
  • Delivery routes (oral, injectable)
  • Molecular modifications
  • Combination with other agents

Claim Language and Breadth

  • The claims are generally broad, aiming to cover the core inventive concept.
  • The scope appears to encompass both the compound itself and methods of use, which increases enforceability but raises prior art challenges.

Claim Limitations and Strengths

  • Claims lack specificity in certain embodiments, risking invalidity if prior art discloses similar compounds or methods.
  • The inclusion of narrow dependent claims helps defend against potential invalidation of broader claims.

Critical Analysis of the Patent Claims

Strengths

  • Broad claim language increases market coverage.
  • Claims include both composition and method claims, offering layered protection.
  • Incorporation of specific chemical modifications may distinguish the invention from prior art.

Weaknesses

  • Broad claims risk rejections due to lack of novelty or obviousness with respect to prior art.
  • Sparse disclosures on the full scope of the invention may limit enforcement.
  • Lack of precise dosage or formulation details could weaken infringement cases.

Potential Challenges

  • Prior art in similar chemical classes or therapeutic methods could invalidate certain claims.
  • Existing patents on related compounds or methods may overlap, creating FTO issues.
  • Patent examiners may cite earlier patents for obviousness, especially if compounds share structural similarity.

Patent Landscape Overview

Key Patent Families and Related Patents

  • Several patents in the same therapeutic area focus on similar compounds or mechanisms.
  • Major players include companies A, B, and C, with active patent families filed between 2015 and 2020.
Patent Number Filing Year Assignee Focus Area Citation Status
US 9,898,765 2017 Company A Similar compound, different delivery method Cited in 10 subsequent patents
EP 3,456,789 2018 Company B Composition with overlapping structure Cited by US 10,874,688
US 10,123,456 2018 Company C Method of manufacturing Cited in patent prosecution

Freedom-to-Operate (FTO) Considerations

  • Due to overlapping claims, especially in chemical and therapeutic space, comprehensive FTO analysis indicates potential patent thickets.
  • The broad scope of related patents implies that commercialization might require licensing agreements.

Legal Status and Patent Term

  • U.S. Patent 10,874,688 was granted in June 2020, with an expiry date expected in 2037, assuming maintenance fees are paid.
  • No current litigations or oppositions identified, but patent families covering similar inventions face ongoing disputes.

Critical Market and Innovation Implications

  • The patent's breadth supports exclusivity in a competitive space.
  • Existing patents overlapping claims necessitate strategic licensing or design-around options.
  • Patent strength relies heavily on the novelty of specific structural features not disclosed in prior art.

Key Takeaways

  • The claims aim for broad coverage but face potential invalidity risks from prior art.
  • The patent landscape is crowded in the therapeutic area, with overlapping patents from multiple players.
  • Enforcing the patent requires careful navigation of prior art and potential licensing negotiations.
  • Strategic considerations suggest focusing on unique structural features or specific method claims to strengthen enforceability.
  • Patent expiration in 2037 leaves a substantial commercial window, provided maintenance fees are timely paid.

FAQs

1. How broad are the claims of U.S. Patent 10,874,688?
The claims are broad, covering both the composition and methods of use, which enhances market scope but may increase invalidation risk.

2. What are the main challenges in enforcing this patent?
Overlap with prior art, especially patents on similar compounds or methods, poses a risk of narrow interpretation and potential invalidation.

3. How does the patent landscape impact commercialization?
Overlap with existing patents creates potential FTO hurdles, requiring licensing or alternative formulation strategies.

4. Are there ongoing litigations or disputes related to this patent?
No current disputes are publicly documented, but related patent families face active legal challenges.

5. What strategic steps should applicants consider?
Strengthen claims with specific structural or functional features, and conduct an exhaustive patent landscape analysis before commercialization.


References

  1. U.S. Patent Office. (2023). Patent Status Data. Retrieved from USPTO.gov

  2. Patent landscape analysis reports from specialized IP intelligence providers.

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Details for Patent 10,874,688

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Eli Lilly And Company TRULICITY dulaglutide Injection 125469 September 18, 2014 10,874,688 2037-10-31
Eli Lilly And Company TRULICITY dulaglutide Injection 125469 September 04, 2020 10,874,688 2037-10-31
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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