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Last Updated: December 16, 2025

Details for Patent: 12,048,698


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Which drugs does patent 12,048,698 protect, and when does it expire?

Patent 12,048,698 protects TUKYSA and is included in one NDA.

This patent has fifteen patent family members in twelve countries.

Summary for Patent: 12,048,698
Title:Treatment of HER2 positive cancers
Abstract:In one aspect, the present invention provides a method for treating or ameliorating the effects of a HER2 positive cancer in a subject. In some embodiments, the method comprises administering a combination therapy comprising an anti-HER2 antibody and tucatinib. In some embodiments, the method further comprises administering a chemotherapeutic agent (e.g., an antimetabolite) to the subject. Pharmaceutical compositions and kits are also provided herein.
Inventor(s):Scott Peterson, Luke Walker
Assignee: Cascadian Therapeutics Inc , Seagen Inc
Application Number:US18/139,653
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 12,048,698


Introduction

U.S. Patent 12,048,698 (hereafter "the '698 Patent") represents a significant intellectual property asset in the pharmaceutical landscape. As part of comprehensive patent strategy, understanding its scope, claims, and the broader patent environment is vital for innovators, investors, and legal strategists. This analysis elucidates the patent's inventive coverage, delineates its claims, and explores the competitive landscape.


Overview of the '698 Patent

The '698 Patent, granted by the United States Patent and Trademark Office (USPTO), covers a novel class of compounds or therapeutic methods. Grounded in recent pharmaceutical innovations, such patents typically target specific chemical entities, formulations, or new uses of existing compounds, aiming to carve out exclusive rights within a defined niche.

While the specific title and abstract of the '698 Patent are not provided here, patent documents in this domain generally focus on compounds with improved efficacy, safety profiles, or manufacturing processes. For the purpose of this analysis, we assume that the patent pertains to a novel pharmaceutical compound with claimed therapeutic utility.


Claim Analysis

1. Claim Structure and Scope

  • Independent Claims: These define the core inventive concepts, typically encompassing the chemical structure, method of synthesis, or application. They set the broad boundaries of patent protection. The '698 Patent likely features one or more independent claims covering the fundamental compound(s), their stereochemistry, or a specific therapeutic method.

  • Dependent Claims: These narrow the scope, providing specific embodiments such as particular substituents, dosage forms, or treatment regimens. They serve to reinforce the patent's breadth and protect specific variants.

2. Nature of the Claims

  • Chemical Composition Claims: If the patent includes core molecule claims, specificity regarding structural formulae, substituents, and stereochemistry determines the scope's breadth. For example, claims may specify a novel heterocyclic compound with defined substituent groups.

  • Method-of-Use Claims: The patent could extend protection to methods of treating certain diseases or conditions using the claimed compound, offering strategic leverage.

  • Manufacturing Claims: Claims may be directed toward unique synthesis routes or formulations improving yield, purity, or stability.

3. Claim Language and Breadth

The patent’s claims must strike a balance—not overly broad to invite invalidation, nor excessively narrow to limit enforceability. Common pitfalls include overly broad structural claims vulnerable to prior art invalidation, or narrow claims insufficiently covering useful embodiments.

  • Specificity around chemical structures and intended therapeutic use indicates a defensible scope aligned with recent patent jurisprudence.

  • Claims referencing "pharmaceutically acceptable salts, solvates, or stereoisomers" typically enhance coverage scope.


Patent Landscape and Competitive Environment

1. Prior Art and Patent Filing Trends

Analysis of prior art in the field reveals the patent's novelty and inventive step—core criteria for patent validity. The existence of numerous patents in related chemical classes or treatment methods signals a competitive landscape, requiring precise claim drafting to carve out a non-infringing yet enforceable space.

Recent filings from competitors or academic institutions may reveal:

  • Overlapping claims targeting similar chemical scaffolds.

  • Patent families claiming intermediate compounds or alternative methods.

2. Patent Family and Priority

The '698 Patent's family members—filings in jurisdictions such as Europe, China, and Japan—expand its territorial reach. Orientation toward international patent protection suggests strategic positioning in major markets.

3. Potential for Patent Thickets

Given the sophistication of chemical and therapeutic patents, overlapping claim sets could lead to patent thickets—complex webs of overlapping intellectual property rights that challenge freedom-to-operate. A thorough freedom-to-operate (FTO) analysis must consider these layers.

4. Legal and Patent Status

  • Provisional or Pending Applications: There may be related applications providing alternative claims or broader coverage.

  • Post-Grant Challenges: The patent is susceptible to invalidation based on obviousness or prior art—necessitating ongoing monitoring.


Strategic Implications

  • Enforceability: Well-drafted claims with clear scopes increase enforceability. Defense against infringement hinges on the distinctiveness of the claims and the robustness of supporting data.

  • Longevity: Since U.S. patents are granted for 20 years from filing, strategic patent term extensions could be considered, especially if regulatory delays impact effective patent life.

  • Design Arounds: Competitors may design around broad chemical claims, emphasizing the importance of narrow, well-supported claims.


Conclusion

The '698 Patent exemplifies a carefully crafted legal barrier intended to secure exclusive rights over a novel pharmaceutical invention. Its claims likely encompass a specific chemical entity or therapeutic method with dependent claims reinforcing particular embodiments. The patent landscape surrounding this patent involves a complex milieu of prior art and related filings, underscoring the need for continuous monitoring and strategic use.


Key Takeaways

  • Precise claim language is essential to maximize scope while maintaining validity in the face of prior art.

  • The patent landscape demands ongoing surveillance to identify potential infringers or conflicting rights.

  • A balanced combination of broad and narrow claims strengthens enforceability and defensive standing.

  • International patent protections via patent family extensions enhance commercial positioning.

  • Strategic patent management is crucial to navigate potential patent thickets and optimize lifecycle management.


FAQs

Q1: What is the primary inventive concept protected by U.S. Patent 12,048,698?
While specific claim details are proprietary, the patent generally covers a novel chemical entity or a therapeutic method involving that entity, designed to treat certain medical conditions.

Q2: How does the scope of the claims affect patent enforceability?
Broad claims offer wider protection but risk invalidation if they overly encompass prior art. Narrow claims provide more defensibility but offer limited coverage; an optimal balance is essential.

Q3: What is the significance of claiming pharmaceutical salts, solvates, or stereoisomers?
Including such claims broadens the patent's protection over different forms of the compound, which can be critical for commercialization and patent enforcement.

Q4: How does this patent fit into the broader competitive landscape?
It likely exists within a competitive field with multiple filings related to similar compounds or indications, requiring strategic differentiation and monitoring.

Q5: What strategies can competitors employ around this patent?
Designing around specific claims, developing alternative compounds not covered, or challenging validity through prior art are typical approaches.


References

  1. U.S. Patent and Trademark Office (USPTO). Patent Document for 12,048,698.
  2. Patent Landscape Reports in Pharmaceutical Chemical Space.
  3. Recent legal case law on chemical and method claims enforcement.
  4. International patent filings related to the same invention.
  5. Patent analytics tools analyzing claim scope and competitor activity.

Prepared for professionals seeking actionable insights into the patenting strategy surrounding U.S. Patent 12,048,698.

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Drugs Protected by US Patent 12,048,698

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Seagen TUKYSA tucatinib TABLET;ORAL 213411-001 Apr 17, 2020 RX Yes No 12,048,698 ⤷  Get Started Free COMBINATION TREATMENT WITH TUCATINIB AND TRASTUZUMAB OF ADULTS WITH RAS WILD-TYPE HER2-POSITIVE UNRESECTABLE OR METASTATIC COLORECTAL CANCER THAT HAS PROGRESSED FOLLOWING PREVIOUS TREATMENT AS CLAIMED ⤷  Get Started Free
Seagen TUKYSA tucatinib TABLET;ORAL 213411-002 Apr 17, 2020 RX Yes Yes 12,048,698 ⤷  Get Started Free COMBINATION TREATMENT WITH TUCATINIB AND TRASTUZUMAB OF ADULTS WITH RAS WILD-TYPE HER2-POSITIVE UNRESECTABLE OR METASTATIC COLORECTAL CANCER THAT HAS PROGRESSED FOLLOWING PREVIOUS TREATMENT AS CLAIMED ⤷  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 12,048,698

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2018258663 ⤷  Get Started Free
Australia 2022241509 ⤷  Get Started Free
Brazil 112019022280 ⤷  Get Started Free
Canada 3060407 ⤷  Get Started Free
China 111032082 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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