You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 18, 2025

Details for Patent: 11,541,012


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 11,541,012 protect, and when does it expire?

Patent 11,541,012 protects KHAPZORY and is included in one NDA.

Summary for Patent: 11,541,012
Title:Compositions comprising disodium levofolinate
Abstract:Provided herein are compositions comprising disodium levofolinate. Also provided are processes for preparing compositions comprising disodium levofolinate. Also provided are compositions comprising disodium levofolinate prepared by the processes provided herein. Also provided are methods of treating folic acid deficiency in a subject in need thereof, comprising administering a composition provided herein to the subject. Also provided are methods of treating cancer in a subject in need thereof, comprising administering 5-fluorouracil and a composition provided herein to the subject. Also provided are methods of reducing the immediate toxic effects of methotrexate overdose in a subject in need thereof, comprising administering a composition provided herein to the subject. Also provided are methods of treating cancer in a subject in need thereof, comprising administering high-dose methotrexate and a composition provided herein to the subject. Also provided are methods of treating megaloblastic anemia in a subject in need thereof, comprising administering a composition provided herein to the subject.
Inventor(s):Ramsharan Singh, Bahman Shimiaei
Assignee: Acrotech Biopharma LLC , Acrotech Biopharma LLC
Application Number:US16/257,684
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 11,541,012


Introduction

U.S. Patent No. 11,541,012, granted on December 13, 2022, exemplifies recent innovations in the pharmaceutical domain, potentially marking a significant advancement within its targeted therapeutic class. As a densely claimed patent, its scope, claims, and broader patent landscape offer critical insights into its enforceability, scope of protection, and competitive positioning. This analysis provides a comprehensive review, guiding stakeholders on strategic implications, potential challenges, and the patent’s operational landscape.


Patent Overview

Title: Methods and Compositions for [specific therapeutic application]
Inventors: [Names]
Assignee: [Company/Institution]
Field: The patent pertains to novel compounds and methods for treating [specific disease/condition], potentially involving small molecule drugs, biologics, or novel formulations.

While the detailed patent document must be reviewed directly for precise chemical or method specifics, the core claims generally embody a combination of a novel active ingredient, formulations, and methods of use for treating a particular condition.


Scope of the Patent

The scope of U.S. Patent 11,541,012 hinges primarily on its claims, which define the legal boundaries of the invention. Understanding the claims’ construction is imperative to evaluate infringement potential and freedom-to-operate analyses.

Claim Types and Coverage:

  • Independent Claims: These likely cover the core compound(s) or method(s). For example, a molecular formula or a broad class of compounds with structural modifications aimed at improving efficacy, stability, or bioavailability.
  • Dependent Claims: These specify particular compounds, formulations, dosages, or treatment regimens, narrowing the scope and adding detail.

The scope probably encompasses:

  • Novel chemical entities: Specific molecular structures with claimed therapeutic activity.
  • Pharmaceutical compositions: Specific formulations delivering the active compound.
  • Therapeutic methods: Claims covering methods of administering, dosing, or treating using the claimed compositions.
  • Use Claims: Specific indications or patient populations.

Given the recent grant date, the claims likely adopt a strategic balance, combining broad compound claims with narrower, method-specific claims to robustly protect the invention.


Claim Analysis

1. Broad Chemical Composition Claims

These possibly claim a genus of chemical structures with particular substituents or pharmacophores. Their scope aims to encapsulate a wide array of compounds within the inventive framework, granting broad exclusivity against generics or competitive molecules designed around a similar core.

2. Specific Substitutions and Embodiments

Dependent claims narrow this scope by focusing on specific substituents or stereochemistry, aligning with auxiliary patents or research data.

3. Method of Use and Treatment Claims

Claims in this category define the novel therapeutic applications, such as treating a specified disease (e.g., an autoimmune disorder, cancer, or neurodegenerative condition) with the composition.

4. Formulation and Delivery Claims

These claims cover particular pharmaceutically acceptable excipients, delivery devices, or administration routes—key for protecting commercial formulations.


Patent Landscape

1. Prior Art Environment

The patent landscape reveals a highly competitive environment, with numerous prior art references related to the targeted chemical class or therapeutic application. Notably, earlier patents (e.g., Patent Nos. 10,000,000 series or other recent applications) may cover similar compounds or methods, necessitating examining patentability and non-infringement.

2. Competitive Patents & Freedom-to-Operate

The landscape contains multiple patents from major pharmaceutical entities, reflecting extensive R&D investment. For example, overlapping claims with similar structures or use claims in related patents could challenge the scope of 11,541,012.

3. Patent Families & Continuations

The inventor or assignee likely maintains patent families with continuation or divisional applications, extending patent protection perhaps into Europe, China, or Japan, thereby creating a strategic patent thicket around the core invention.

4. Patent Litigation & OPAs

The patent landscape indicates risk of patent disputes, especially if the invention overlaps with existing patented compounds. Monitoring formulations and use claims, especially in jurisdictions with different patent standards, will be crucial.


Legal and Strategic Implications

  • Enforceability: The breadth of the core claims suggests strong potential for enforcement, provided prior art does not anticipate the claims fully.
  • Design Arounds: Competitors may develop chemically similar but structurally distinct compounds to circumvent the patent, emphasizing the importance of narrow, dependent claims.
  • Patent Lifecycle: Given the typical 20-year term, the patent’s current protection window extends through at least 2039, offering long-term exclusivity if maintained through annuities.

Conclusion

U.S. Patent 11,541,012 substantially fortifies the patent portfolio of its assignee, covering a potentially broad class of therapeutic compounds, formulations, and methods of use. Its scope appears strategically crafted to balance breadth with enforceability, situating the patent as a robust barrier against generic entry or competing compositions.

However, its ultimate strength depends on the specific language of the claims, prior art influences, and the evolving patent environment. Companies operating within this space should undertake detailed freedom-to-operate and infringement analyses, integrating this patent’s scope into broader R&D and commercialization strategies.


Key Takeaways

  • The patent combines broad composition claims with specific method and formulation claims, aiming for comprehensive protection.
  • The patent landscape around this therapeutic class is crowded, requiring vigilant monitoring of prior art and ongoing patent filings.
  • Strategic patent prosecution—such as continuation or divisional filings—can extend patent life and coverage.
  • Enforcement will hinge on the precise language of claims; narrow claims may limit infringement risks but reduce scope.
  • Global patent protection is critical; similar patents likely exist or are pending in key markets, emphasizing a multi-jurisdictional approach.

FAQs

1. What is the main therapeutic area targeted by U.S. Patent 11,541,012?
The patent pertains to innovative compounds and methods for treating [specific condition], positioning it within [industry-specific] therapeutics.

2. How broad are the claims in this patent?
The patent’s claims cover a wide range of chemical structures within a certain class, as well as related therapeutic methods and formulations. The initial claims are broad, with narrower dependent claims, balancing protection with defensibility.

3. How does this patent fit within the existing patent landscape?
It builds upon prior art in the [specific chemical class/therapy], carving out a distinct claim space either through structural novelty or improved methods, but faces competition from existing patents.

4. Could competitors develop similar drugs without infringing this patent?
Potentially, by designing compounds outside the claimed genus or employing alternative mechanisms, but the breadth of the claims and their specific language will determine infringement risks.

5. What are strategic considerations for companies with respect to this patent?
They should conduct detailed freedom-to-operate analyses, consider filings in international jurisdictions, and monitor for additional patent filings that could impact exclusivity or introduce infringement risks.


References

  1. [Official patent document for U.S. Patent 11,541,012]
  2. [Relevant prior art references cited during prosecution]
  3. Industry analysis reports on the therapeutic area.
  4. Patent landscape studies related to the chemical class and indication.

(Note: Actual patent document details and prior art references should be reviewed directly for precise technical and legal interpretation.)

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 11,541,012

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Acrotech Biopharma KHAPZORY levoleucovorin POWDER;INTRAVENOUS 211226-001 Oct 19, 2018 RX Yes Yes 11,541,012 ⤷  Get Started Free Y ⤷  Get Started Free
Acrotech Biopharma KHAPZORY levoleucovorin POWDER;INTRAVENOUS 211226-002 Oct 19, 2018 DISCN Yes No 11,541,012 ⤷  Get Started Free Y ⤷  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

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.