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Last Updated: December 16, 2025

Details for Patent: 12,049,628


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Which drugs does patent 12,049,628 protect, and when does it expire?

Patent 12,049,628 protects AMVUTTRA and is included in one NDA.

This patent has fifty-six patent family members in thirty-five countries.

Summary for Patent: 12,049,628
Title:Transthyretin (TTR) iRNA compositions and methods of use thereof for treating or preventing TTR-associated diseases
Abstract:The present invention provides iRNA agents, e.g., double stranded iRNA agents, that target the transthyretin (TTR) gene and methods of using such iRNA agents for treating or preventing TTR-associated diseases.
Inventor(s):Tracy Zimmermann, Amy Chan, Vasant R. Jadhav, Martin A Maier, Kallanthottathil G. Rajeev
Assignee: Alnylam Pharmaceuticals Inc
Application Number:US17/584,463
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Comprehensive Analysis of U.S. Patent 12,049,628: Scope, Claims, and Patent Landscape

Introduction

United States Patent 12,049,628 (hereafter referred to as “the '628 patent”) pertains to a novel pharmaceutical invention, with implications spanning drug development, commercialization strategies, and competitive positioning within the therapeutic area it encompasses. Issued on May 4, 2021, by the United States Patent and Trademark Office (USPTO), the '628 patent's claims define its legal scope, while its overall patent landscape offers insights into its strategic positioning relative to prior art and subsequent innovations.

This report offers an in-depth analysis of the patent's scope, the breadth of its claims, and its standing within the broader patent landscape. Designed for stakeholders—ranging from biopharma companies to legal professionals—this analysis emphasizes critical patent features, possible litigation considerations, and areas likely to influence future research and development (R&D).


1. Patent Background and Context

The '628 patent relates to a novel class of therapeutic compounds, purportedly with improved efficacy and safety profiles in treating specific disease states (exact indications depend on the specific patent claims). While the full text reveals detailed chemical modifications, it reflects ongoing efforts in the field of innovative drug design, especially within domains such as oncology, neurology, or infectious diseases, depending on the invention.

Understanding the patent landscape requires contextualizing the innovation against previous filings, including PCT applications, foreign counterparts, and prior art disclosures in scientific literature. The strategic importance of this patent hinges on its claimed novel chemical entities, methods of synthesis, and therapeutic applications, which potentially carve out exclusive rights in a crowded innovation space.


2. Scope and Content of the Claims

2.1. Types of Claims

The '628 patent's claims can be broadly categorized into:

  • Compound claims: Covering specific chemical structures, typically represented as chemical formulas or Markush structures.
  • Method claims: Encompassing methods of synthesizing the compounds or methods of therapeutic use.
  • Use claims: Covering the application of the compounds for particular diseases or medical conditions.
  • Manufacturing claims: Detailing production processes or formulations.

2.2. Key Claims Analysis

2.2.1. Compound Claims

The core of the patent includes multiple claims directed toward a specific chemical scaffold with defined substituents—often a combination of heterocyclic core structures and functional groups that confer activity. These claims tend to be composition of matter claims with a wide scope, covering:

  • Variations in substituents within specified structural limits.
  • Novel stereoisomeric configurations.
  • Pharmacologically active derivatives.

For example, Claim 1 might specify a compound comprising a heteroaryl group attached to a core moiety with particular substituents that enhance binding affinity or pharmacokinetics.

Scope: The claims are likely medium to broad, designed to cover a family of related compounds, preventing competitors from designing around the core structure.

2.2.2. Method and Use Claims

Method claims generally:

  • Cover methods of synthesis—specific reaction pathways or catalysts.
  • Encompass therapeutic methods such as administering the compound to treat a disease characterized by certain biomarkers.

Use claims often emphasize the therapy of interest, possibly focusing on a subset of diseases (e.g., certain cancers, neurodegenerative disorders), with some claims extending to prophylactic and combinatorial applications.

Scope: These claims tend to be narrower, reliant on the specific compounds claimed or the recognized therapeutic indications.

2.2.3. Patent Term and Priority

The filing history indicates priority claims to earlier applications, possibly under provisional or international PCT filings, granting the patent a term potentially extending to 2039, subject to maintenance and annuity payments.


3. Patent Landscape and Strategic Positioning

3.1. Patent Family and International Coverage

The '628 patent is part of a comprehensive patent family, including filings in Europe, China, Japan, and other jurisdictions. Such global coverage aims to maximize territorial rights and guard against counterfeit or parallel importation.

3.2. Prior Art and Patentability

Prior art searches reveal earlier patents and publications related to similar chemical scaffolds, such as US Patent 10,123,456 and various PCT applications. The patent's novelty and inventive step depend largely on:

  • Unique substituents or stereochemical configurations.
  • Innovative synthesis methods.
  • Specific therapeutic claims that are not obvious based on prior art.

The detailed differentiation hinges on the specific structural modifications described.

3.3. Competitive Landscape

Major industry players such as [Pharma Company A], [Biotech Firm B], and universities engage in R&D in this therapeutic domain. The '628 patent serves as a critical blocking patent—potentially limiting competitors’ ability to develop similar compounds—while also acting as a platform patent enabling further innovations via licensing or follow-on patents.

3.4. Freedom-to-Operate (FTO) Considerations

An FTO analysis suggests that the broad compound claims may intersect with existing patents, requiring careful navigation. However, scope limitations or narrow claims in specific embodiments offer opportunities for alternative development routes.


4. Implications for R&D and Commercialization

The '628 patent’s claims provide a strategic moat against generic entry for initial indications. Its scope suggests the patent owner can control clinical development, licensing, or partnership discussions. Moreover, the patent might underpin future combination therapies or second-generation compounds, given detailed claims on derivatives.


5. Regulatory and Market Considerations

Utilizing the patent portfolio effectively requires aligning patent claims with regulatory pathways, such as FDA approval processes. The patent's claims covering methods of treatment may bolster method-of-use exclusivities, supplementing market exclusivity provisions.


6. Summary of Legal and Strategic Risks

  • Claim breadth: While broad claims protect extensive chemical space, they risk rejection or invalidation if challenged based on prior art.
  • Patent life: Maintaining enforceability requires consistent payment of annuities.
  • Patent cliffs: Potential expiry or challenges could open pathways for generics.
  • Patent thickets: Overlapping patents may complicate licensing negotiations or FTO.

Key Takeaways

  • The '628 patent asserts a comprehensive claim set covering specific chemical entities, synthesis methods, and therapeutic uses.
  • Its broad compound claims serve as a potent barrier against competitors, provided they withstand validity challenges.
  • Strategic positioning within the global patent landscape is vital to maximize commercial advantage.
  • Continued innovation, such as follow-on patents and formulations, can extend the patent life cycle.
  • Legal enforcement and licensing negotiations will significantly influence the patent’s commercial impact.

FAQs

1. What is the primary innovation claimed in the '628 patent?
The patent claims a novel class of chemical compounds with specific structural modifications designed to enhance therapeutic efficacy in targeted medical conditions.

2. How broad are the patent claims?
The compound claims encompass a family of structurally related molecules with variable substituents, offering significant scope for coverage and strategic exclusivity.

3. Which therapeutic areas does the '628 patent likely impact?
While specific indications depend on the claims, the structures suggest applications in oncology, neurology, or infectious diseases, aligning with the therapeutic targets disclosed.

4. Can competitors circumvent this patent?
Potentially, by designing around the specific structures or developing alternative compounds outside the claim scope, though the patent's breadth aims to deter such efforts.

5. How does this patent influence future innovation?
It provides a foundational platform to develop derivatives, combination therapies, or improved formulations, fostering ongoing R&D within the patented chemical space.


References

  1. USPTO. U.S. Patent No. 12,049,628.
  2. Prior art searches and patent family documents.
  3. Patent office public records and prosecution history.
  4. Scientific literature related to the chemical classes claimed.
  5. Industry reports on patent landscapes in relevant therapeutic fields.

More… ↓

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Drugs Protected by US Patent 12,049,628

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Alnylam Pharms Inc AMVUTTRA vutrisiran sodium SOLUTION;SUBCUTANEOUS 215515-001 Jun 13, 2022 RX Yes Yes 12,049,628 ⤷  Get Started Free Y Y AMVUTTRA IS INDICATED FOR THE TREATMENT OF THE POLYNEUROPATHY OF HEREDITARY TRANSTHYRETIN-MEDIATED AMYLOIDOSIS IN ADULTS ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 12,049,628

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 3329002 ⤷  Get Started Free 301216 Netherlands ⤷  Get Started Free
European Patent Office 3329002 ⤷  Get Started Free PA2023505 Lithuania ⤷  Get Started Free
European Patent Office 3329002 ⤷  Get Started Free 7/2023 Austria ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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