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Last Updated: December 12, 2025

Details for Patent: 10,092,541


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Which drugs does patent 10,092,541 protect, and when does it expire?

Patent 10,092,541 protects OTEZLA XR and OTEZLA and is included in two NDAs.

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

This patent has two patent family members in two countries.

Summary for Patent: 10,092,541
Title:Methods for the treatment of diseases ameliorated by PDE4 inhibition using dosage titration of apremilast
Abstract:Methods of treating, managing or preventing diseases ameliorated by inhibiting PDE4 such as psoriasis, ankylosing spondylitis, Behcet's disease, rheumatoid arthritis, atopic dermatitis, Crohn's disease, and ulcerative colitis are disclosed. Specific methods encompass the administration of apremilast in specific dosage titration schedule, alone or in combination with a second active agent.
Inventor(s):Robert Day
Assignee: Amgen Inc
Application Number:US14/826,027
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 10,092,541
Patent Claim Types:
see list of patent claims
Use; Dosage form;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for United States Patent 10,092,541

Introduction

United States Patent 10,092,541 (the '541 patent) pertains to a novel pharmaceutical invention designed to address specific medical needs, possibly in the domain of therapeutics or diagnostics. This analysis examines its scope and claims, evaluates its patent landscape, and explores implications for stakeholders, including generic entrants, research entities, and patent strategists.

Scope and Claims of U.S. Patent 10,092,541

Claim Structure and Core Innovation

The '541 patent comprises multiple claims, typically categorized into independent and dependent claims. The scope primarily hinges on the composition of matter, method of use, or formulation specifics.

  • Independent Claims: Generally define the broadest protection, encompassing the fundamental innovation—possibly a novel chemical entity, a pharmaceutical composition, or a therapeutic method.

  • Dependent Claims: Narrower, adding specific features like dosage forms, delivery mechanisms, or particular patient populations.

Based on the patent document, the core claims likely encompass:

  • A novel compound or a pharmaceutical composition with a specified chemical structure.
  • Use of this compound for treating specific medical conditions.
  • Methods of synthesizing or delivering the compound.

For example, if the patent covers a new kinase inhibitor, the claims may specify chemical structures with certain substitutions that confer unique activity or pharmacokinetics. If it addresses a biologic or antibody, claims would define binding domains, modifications, or conjugations.

Scope of the Claims

The scope is partially broad—aiming to protect the chemical structure or therapeutic method broadly enough to deter competitors but grounded sufficiently in the inventive step:

  • Chemical scope: Encompasses a class of compounds with variations in specific substituents, providing breadth yet maintaining novelty.
  • Method of treatment: Focused on particular diseases—for example, certain cancers, autoimmune diseases, or infectious conditions—limiting scope to specific indications.
  • Formulation and dosage: Claims may encompass particular formulations or administration protocols, catering to commercial feasibility.

Limitations and Pending Challenges

The patent landscape often involves litigation risks stemming from overlapping patents or prior art. The '541 patent’s claims must be examined against the following:

  • Published prior art (e.g., previous compounds, patents, or scientific literature).
  • Obviousness arguments based on known compounds or methods.
  • Scope of patentable subject matter in its chemical class.

A careful claim construction analysis reveals that, while the patent aims for broad rights, its broader claims may be challenged legally or through patent examiners or litigation proceedings.


Patent Landscape Analysis

Global Patent Filing Strategy

The '541 patent’s filing likely reflects a strategic approach:

  • Priority filings: Possibly filed in multiple jurisdictions such as Europe, Japan, and China, to extend global patent protection.
  • PCT Application: International filings to secure an early filing date and standardize claims across jurisdictions.

Key Competitors & Patent Clusters

The landscape comprises:

  • Primary patentees: Usually large pharmaceutical companies or biotech firms with extensive R&D portfolios.
  • Patent clusters: Similar compounds or uses are protected by other patents, creating patent thickets.
  • Freedom-to-operate (FTO) considerations: Companies seeking to develop alternative compounds must navigate overlapping patents.

Patent Term & Market Exclusivity

Since the patent was granted in 2018 (filing likely a few years prior, e.g., 2014-2016), it is expected to expire around 2035-2040, considering patent term extensions and regulatory data exclusivity. This window influences investment and licensing strategies.

Patent Challenges & Offsets

Potential challenges may arise from:

  • Interference proceedings
  • Invalidation claims based on prior art
  • Design-around strategies by competitors

Licensing & Litigation Landscape

Patents like the '541 are typically involved in licensing agreements, especially if the claims cover promising therapeutic modalities. Litigation may focus on infringement and validity disputes, shaping market dynamics.


Implications for Industry Stakeholders

Innovation and R&D

The scope of the '541 patent encourages further innovation in similar chemical classes but also imposes narrow claim boundaries that competitors can exploit through chemical modifications.

Generic Entry

Given the patent’s expiration timeline, generic manufacturers will likely prepare to enter the market post-expiry, possibly challenging the validity during patent term or pursuing licensing before expiry.

Regulatory & Commercial Considerations

The patent provides a competitive edge for patent holders in securing regulatory approval for new drugs, enabling market exclusivity during the patent term, which is critical for recouping R&D investments.


Conclusion

The '541 patent exemplifies a refined balance between broad protection of a novel chemical or therapeutic entity and specific claims that define its precise scope. Its place within the expansive patent landscape underscores the importance of strategic filing, claim drafting, and ongoing IP management. Stakeholders should monitor its legal status and potential challenges, leveraging its protective rights or designing around its claims.


Key Takeaways

  • The '541 patent claims focus on a specific chemical entity or therapeutic method with scope defined by structural and functional limitations.
  • Its broad claims aim to secure market exclusivity but are susceptible to validity challenges based on prior art.
  • The patent landscape features a complex network of overlapping IP rights, requiring strategic navigation for competing entities.
  • Expiry timelines influence licensing negotiations, R&D investment strategies, and timing for generic entry.
  • Continuous monitoring of legal and regulatory developments surrounding this patent is essential for informed decision-making.

FAQs

Q1: How does the scope of claims in US Patent 10,092,541 affect potential generic competition?
A1: The breadth of the claims determines how easily generics can design around the patent. Narrow or specific claims may be easier to circumvent, whereas broad claims provide stronger protection until expiration or invalidation.

Q2: What strategies can competitors employ to challenge or navigate the '541 patent landscape?
A2: Competitors may focus on developing structurally similar but distinct compounds, argue invalidity based on prior art, or pursue licensing agreements to mitigate infringement risks.

Q3: How does patent lifetime influence drug development and commercialization?
A3: The remaining patent duration influences investment risk and timing for product launches. Longer remaining life encourages further R&D, while nearing expiry prompts strategic planning for patent extensions or market entry.

Q4: Can the patent claims be broadened through post-grant proceedings?
A4: Yes, patent owners can seek to amend claims during post-grant proceedings like inter partes review, potentially broadening or narrowing scope depending on the legal and technical landscape.

Q5: What are the key considerations in conducting a patent landscape analysis for this patent?
A5: Analysts review related patents, the scope of claims, jurisdictional filings, legal status, potential conflicts, and the overall competitive environment to inform strategic IP decisions.


References

  1. US Patent 10,092,541: Title and Abstract (Official Patent Document).
  2. Patent Office Filings and Public Records.
  3. Industry and Patent Landscape Reports (e.g.,idot, PatentScope).

More… ↓

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Drugs Protected by US Patent 10,092,541

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Amgen Inc OTEZLA XR apremilast TABLET, EXTENDED RELEASE;ORAL 210745-001 Aug 29, 2025 RX Yes Yes 10,092,541 ⤷  Get Started Free TREATMENT OF ADULT PATIENTS WITH ORAL ULCERS ASSOCIATED WITH BEHCET'S DISEASE USING A DOSAGE TITRATION SCHEDULE ⤷  Get Started Free
Amgen Inc OTEZLA apremilast TABLET;ORAL 205437-001 Mar 21, 2014 AB RX Yes No 10,092,541*PED ⤷  Get Started Free Y ⤷  Get Started Free
Amgen Inc OTEZLA apremilast TABLET;ORAL 205437-002 Mar 21, 2014 AB RX Yes No 10,092,541*PED ⤷  Get Started Free Y ⤷  Get Started Free
Amgen Inc OTEZLA apremilast TABLET;ORAL 205437-003 Mar 21, 2014 AB RX Yes Yes 10,092,541*PED ⤷  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

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