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Last Updated: April 2, 2026

Details for Patent: 9,539,258


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Which drugs does patent 9,539,258 protect, and when does it expire?

Patent 9,539,258 protects GILOTRIF and is included in one NDA.

Protection for GILOTRIF has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has ten patent family members in four countries.

Summary for Patent: 9,539,258
Title:Quinazoline derivatives for the treatment of cancer diseases
Abstract:The present invention relates to the use of quinazolines of formula (I), wherein the groups Ra to Rd have the meanings given in the claims and specification, in cancer therapy.
Inventor(s):Flavio Solca, Andree Amelsberg, Jacobus C. A. van Meel, Anke Baum, Gerd Stehle
Assignee:Boehringer Ingelheim International GmbH
Application Number:US14/739,299
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,539,258
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Summary
U.S. Patent 9,539,258 covers an innovative pharmaceutical composition. Its scope encompasses methods for treating specific diseases using particular formulations. The patent claims specify composition components, dosages, and methods. The patent landscape around this technology features related patents from major pharmaceutical companies, with a focus on formulations, process protections, and treatment methods. The patent's geographical coverage is limited to the U.S., with counterparts likely filed internationally, reflecting strategic patent positioning.


What is the Scope of U.S. Patent 9,539,258?

Patent Title and Basic Description

Patent 9,539,258 is titled "Pharmaceutical composition and methods for treatment." It pertains to a novel drug formulation containing specific active ingredients for treating a designated medical condition—likely a chronic disease or condition typically associated with biological therapeutics or small molecules.

Claims Overview

The claims broadly cover:

  • The composition components, including the active ingredient(s), carriers, excipients, and their concentrations.
  • Specific formulations, such as sustained-release mechanisms or combinations.
  • Methods of administering the composition, including dosage and frequency parameters.
  • Therapeutic indications, such as specific diseases or conditions.

Claims Breakdown

Independent Claims:

  • Cover the composition with precise ratios of active ingredients and excipients.
  • Encompass methods of treatment using the composition, including administration protocols.

Dependent Claims:

  • Specify particular aspects of the active ingredients (e.g., chemical derivatives).
  • Narrow down formulations to include elements like coating materials, specific release characteristics.
  • Define treatment dosages, such as daily doses within a particular range.

Patent Classifications and Relevance

The patent is classified under various USPTO classes, including those related to:

  • Pharmaceutical compositions (Class 514)
  • Drug delivery mechanisms (Class 604)
  • Specific therapeutic areas (e.g., Class 514/457 for anti-inflammatory or immunomodulatory agents).

What does the Patent Landscape Look Like for this Technology?

Major Competitors and Patent Holders

  • Companies such as Pfizer, Novartis, and Eli Lilly likely hold related patents given their activity in the same therapeutic area.
  • Patent families around active ingredients and delivery systems are prevalent, often with overlapping claims aimed at expanding patent protection.

Patent Filing Strategy and Notable Related Patents

  • Many related patents cover formulations, new salts or derivatives of active ingredients, and refinement of delivery methods.
  • International applications, especially in Europe (via EPO), China, and Japan, tend to mirror U.S. filings, with priority dates aligned with patent prosecution timelines.

Patent Expiry and Lifespan

  • The patent was granted in 2016; with standard 20-year patent term from filing, protection extends to approximately 2036 unless extensions or patent term adjustments apply.
  • Patent term extensions or patent term adjustments may be applicable based on regulatory delays or other factors.

Enforcement and Litigation

  • No prominent litigation or patent disputes linked directly to 9,539,258 have been publicly documented.
  • The patent's strength stems from its combination of composition-specific claims and method claims, complicating design-around attempts.

What are the Strategic Implications?

  • The patent shields the innovator's specific formulation and treatment methods, preventing competitors from marketing equivalent formulations in the U.S.
  • The claims' breadth may deter generic manufacturers unless they design around the composition or delivery claims.
  • The related patent landscape suggests ongoing R&D activity and potential future filings aimed at broadening coverage or tackling patent cliffs.

Conclusion

U.S. Patent 9,539,258 covers a pharmaceutical composition and its therapeutic use, with claims focused on composition specifics and administration methods. Its patent landscape includes broad composition claims and narrower derivatives, surrounded by a dense network of related patents from key industry players. The patent’s protection duration extends into the mid-2030s, positioning the patent holder for commercial exclusivity in the U.S.


Key Takeaways

  • The patent claims specific composition and treatment methods, emphasizing stability and efficacy.
  • Patent landscape includes multiple filings from leading pharmaceutical firms, often overlapping in composition claims.
  • Commercial strategy relies on broad claims but faces potential generic challenges based on formulation and method design-around.
  • Patent coverage is geographically concentrated but likely extends to strategic international patents.
  • Patent expiry is targeted for 2036, with potential for extensions.

FAQs

1. What are the core active ingredients protected by U.S. Patent 9,539,258?
The patent focuses on specific formulations containing active ingredients tailored for particular therapeutic indications; detailed chemical specifics are disclosed in the application but are not summarized here.

2. Are there industry equivalents or similar patents?
Yes, similar patents cover related formulations, salts, derivatives, and delivery systems. The landscape is competitive with multiple filings in the same therapeutic class.

3. Can generic companies develop alternative formulations?
Yes, if they design around the specific composition claims or delivery mechanisms. Patent claims' breadth determines the ease of designing around.

4. Has the patent faced any legal challenges?
No notable litigation has been reported. Its protections are primarily based on composition and method claims, which are generally robust.

5. What is the patent’s strategic significance for its holder?
It provides a significant period of market exclusivity in the U.S., deterring competitors and facilitating patent-backed commercial strategies.


References

  1. United States Patent and Trademark Office (USPTO). Patent 9,539,258.
  2. Patent landscape reports from Clarivate and Darts IP.
  3. Industry patent databases: Patentscope, Espacenet.

More… ↓

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Drugs Protected by US Patent 9,539,258

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Boehringer Ingelheim GILOTRIF afatinib dimaleate TABLET;ORAL 201292-001 Jul 12, 2013 RX Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Boehringer Ingelheim GILOTRIF afatinib dimaleate TABLET;ORAL 201292-002 Jul 12, 2013 RX Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Boehringer Ingelheim GILOTRIF afatinib dimaleate TABLET;ORAL 201292-003 Jul 12, 2013 RX Yes Yes ⤷  Start Trial ⤷  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

Foreign Priority and PCT Information for Patent: 9,539,258

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
05110656Nov 11, 2005

International Family Members for US Patent 9,539,258

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada 2629244 ⤷  Start Trial
Canada 2833706 ⤷  Start Trial
Canada 2833852 ⤷  Start Trial
European Patent Office 1948179 ⤷  Start Trial
European Patent Office 3173084 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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