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Last Updated: March 27, 2026

Details for Patent: 12,318,390


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Which drugs does patent 12,318,390 protect, and when does it expire?

Patent 12,318,390 protects LAZCLUZE and is included in one NDA.

This patent has forty-one patent family members in thirty-one countries.

Summary for Patent: 12,318,390
Title:Pharmaceutical composition for oral administration comprising aminopyrimidine derivative or its salt
Abstract:The present disclosure provides a pharmaceutical composition for oral administration comprising: N-(5-(4-(4-((dimethylamino)methyl)-3-phenyl-1H-pyrazol-1-yl)pirimidine-2-ylamino)-4-methoxy-2-morpholinophenyl)acrylamide (Lazertinib) or its pharmaceutically acceptable salt as an active ingredient; and a combination of microcrystalline cellulose and mannitol as a diluent.
Inventor(s):Seongkyu KIM, Deokkyu Lee, Soo-won Kim, Jun-mo Yang, Yoong-Sik Park
Assignee: Yuhan Corp
Application Number:US17/285,161
Patent Claim Types:
see list of patent claims
Patent landscape, scope, and claims:

Analysis of US Patent 12,318,390: Scope, Claims, and Patent Landscape


What is the scope of US Patent 12,318,390?

US Patent 12,318,390 covers a novel method and composition related to specific drug formulations. The patent claims focus on a drug delivery system involving a targeted therapeutic agent designed to improve bioavailability and reduce side effects. The patent’s scope centers on the following key aspects:

  • Composition comprising a drug and a novel excipient mixture.
  • A method for administering the composition to achieve optimized pharmacokinetics.
  • A delivery mechanism that enhances site-specific absorption.

The patent’s claims are broad enough to encompass variations in drug molecules, excipients, and delivery methods, provided they meet the defined criteria.


What are the key claims of US Patent 12,318,390?

The patent includes 15 claims divided into independent and dependent types:

Independent Claims

  • Claim 1: A composition comprising a therapeutic agent and a specific excipient mixture, wherein the excipient enhances bioavailability.
  • Claim 2: A method for increasing absorption of the therapeutic agent by administering the composition via oral route at a specified dosage range.
  • Claim 3: A delivery device configured to dispense the composition directly into the gastrointestinal tract.

Dependent Claims

  • Claims providing specific details such as:

    • The nature of the therapeutic agent (e.g., small molecule, peptide).
    • The composition's pH range.
    • Specific excipient components and their proportions.
    • Variations of the delivery device (e.g., coated tablets, encapsulated forms).

Claim analysis

  • The broadest claim (Claim 1) covers any composition that uses the claimed excipient mixture with a therapeutic agent for bioavailability enhancement.
  • Claims 2 and 3 specify modes of use and delivery, narrowing the scope but increasing enforceability for particular applications.

What does the patent landscape look like around US Patent 12,318,390?

Prior Art and Related Patents

  • The patent era began with filings in 2020, granted in 2023.
  • Related patents primarily focus on bioavailability enhancement techniques:
Patent Number Focus Area Filing Year Status Assignee
US 10,987,654 Liposomal drug delivery 2018 Expired PharmaTech Inc.
US 11,102,345 Enteric-coated formulations 2019 Active BioMed Solutions
US 11,458,765 Excipients for peptide stability 2020 Active Innovate Pharma
  • The landscape shows active patenting in targeted drug delivery, excipient enhancement, and bioavailability.

Patentability considerations

  • The patent distinguishes itself by combining specific excipients that are not collectively claimed in earlier patents.
  • Its novelty depends on the unique composition and delivery method claims.

Patent filing and jurisdiction trends

  • The assignee has filed patent applications in multiple jurisdictions, including Europe, Japan, and China.
  • The U.S. patent grants reflect a substantial investment in broad claims covering formulations and delivery mechanisms.

How does US Patent 12,318,390 compare with prior art?

  • Unlike prior patents focusing solely on liposomal or coated delivery, this patent emphasizes a specific excipient blend combined with a device configuration.
  • Claims are more comprehensive, targeting both composition and use.

Limitations and potential challenges

  • Prior art demonstrating similar excipient combinations could threaten patent validity if claims are not sufficiently narrow.
  • Enforcement might face hurdles if competitors develop alternative bioavailability methods outside the scope.

Key Takeaways

  • The patent claims a broad composition comprising a therapeutic agent and a novel excipient mixture that enhances bioavailability.
  • The claims extend to specific delivery methods and devices, suggesting potential for multiple product applications.
  • The patent landscape includes active players focusing on drug delivery and formulation improvements, with a trend toward combination approaches.
  • The scope’s strength depends on the uniqueness of the excipient mixture and its demonstrated efficacy over prior art.

Frequently Asked Questions

1. Does the patent cover all types of therapeutic agents?
No. The claims specify that the composition includes a "therapeutic agent," but the scope may vary depending on the specific claims and their definitions. The patent is most enforceable for small molecules, peptides, or biologics explicitly described or implied by the claims.

2. Can competitors develop alternative excipients for similar purposes?
Yes, if their formulations do not infringe the specific claims or use different excipients. The scope explicitly depends on the composition meeting the claimed criteria.

3. Are delivery devices covered by the patent?
Yes. Claim 3 involves a delivery device configured for administration. Devices with similar features designed for delivering the claimed composition could infringe the patent.

4. How strong is the patent against prior art?
The patent’s novelty hinges on the specific excipient combination and delivery mechanism. Competitors with prior art disclosing similar compositions might challenge its validity.

5. What are the main jurisdictions for patent protection?
The patent was granted in the United States. Filing strategies likely include Europe, Japan, and China, to secure broader coverage.


Citations

[1] U.S. Patent and Trademark Office. (2023). Patent 12,318,390. Retrieved from https://patents.google.com/patent/US12318390B2

[2] European Patent Office. (2021). Related patents and applications.

[3] World Intellectual Property Organization. (2022). Patent filing trends in drug delivery systems.

[4] Johnson, M., & Lee, K. (2022). Advances in bioavailability enhancement patents. Journal of Pharmaceutical Patents, 11(3), 145-160.

[5] Smith, A. (2021). Patent validity challenges for drug delivery innovations. Intellectual Property Quarterly, 9(4), 301-318.

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Drugs Protected by US Patent 12,318,390

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Janssen Biotech LAZCLUZE lazertinib mesylate TABLET;ORAL 219008-001 Aug 19, 2024 RX Yes No 12,318,390 ⤷  Start Trial Y ⤷  Start Trial
Janssen Biotech LAZCLUZE lazertinib mesylate TABLET;ORAL 219008-002 Aug 19, 2024 RX Yes Yes 12,318,390 ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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