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

Last Updated: December 12, 2025

Details for Patent: 8,062,665


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 8,062,665 protect, and when does it expire?

Patent 8,062,665 protects PROMACTA and is included in one NDA.

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

This patent has ninety-two patent family members in thirty-six countries.

Summary for Patent: 8,062,665
Title:3′-[(2Z)-[1-(3,4-dimethylphenyl)-1 ,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazino]-2′-hydroxy-[1,1′-biphenyl]-3-carboxylic acid bis-(monoethanolamine)
Abstract:Disclosed are novel pharmaceutical compositions containing 3′-[(2Z)-[1-(3,4-dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazino]-2′-hydroxy-[1,1′-biphenyl]-3-carboxylic acid bis-(monoethanolamine) (eltrombopag olamine) and processes for preparing the same.
Inventor(s):Francis X Muller, Shivakumar G Kapsi
Assignee:Novartis AG, Novartis Pharma AG
Application Number:US12/607,320
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,062,665
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form; Process; Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for United States Patent 8,062,665


Introduction

United States Patent 8,062,665, granted on November 22, 2011, represents a significant intellectual property asset within the pharmaceutical and biotech sectors. It focuses on innovations in drug formulations, methods of manufacture, or specific therapeutic applications. This analysis aims to clarify the patent's scope, dissect its claims, and contextualize its position within the broader patent landscape, providing strategic insights for stakeholders such as pharmaceutical companies, patent attorneys, and R&D managers.


Overview of Patent 8,062,665

Title: [Note: The actual title of the patent should be inserted here if known; typically, it provides a quick reference to the patent’s core innovation]

Inventors & Assignee: The patent was assigned to [Assignee Name], a prominent entity known for its research in [relevant therapeutic area or technology].

Filed & Grant Dates: Filed on [filing date], granted on November 22, 2011.

Field of Invention: The patent pertains primarily to [e.g., novel pharmaceutical compounds, delivery systems, manufacturing processes, or therapeutic methods].


Scope of the Patent

Scope Definition:
The scope of Patent 8,062,665 encompasses [a specific class of compounds, formulations, or methods] designed to [address a particular therapeutic need or improve upon existing treatments]. The claims delineate the boundaries by specifying the novelty and inventive step over prior art.

Scope Components:

  • Material Composition: The patent likely claims a [specific chemical structure or class], possibly including [presence of specific functional groups or stereochemistry].
  • Method of Manufacturing: It may encompass [specific processes—e.g., synthesis, purification, formulation].
  • Therapeutic Application: Its claims could extend to [indications—e.g., cancer, infectious diseases, metabolic disorders].
  • Delivery Systems: If applicable, the scope may cover [types of drug delivery—e.g., controlled-release, injectable, transdermal systems].

Limitations:
While broad in certain aspects, the patent likely limits itself to [specific chemical entities or process parameters], focusing on [novel features] not disclosed or obvious in the prior art.


Analysis of the Claims

1. Primary (Independent) Claims:
The primary claims establish the core innovative aspects, often outlining [the chemical composition, method, or formulation generalities].

  • Claim 1: Usually the broadest, defining [entity or process] with parameters such as [e.g., chemical structure, concentration, specific process steps].
  • Claim 2 & Subsequent Claims: Typically dependent, adding [further limitations, specific embodiments, or variations] that refine or narrow the scope.

2. Dependent Claims:
Dependent claims specify particular features or embodiments, such as [use of specific excipients, formulation pH, particle size, etc.]. They provide fallback positions and can support enforcement or licensing efforts.

3. Claim Strategies:
The patent appears to employ a combination of broad and narrow claims—broad claims to establish foundational rights and narrower claims to protect specific embodiments. This structure enhances enforceability while maintaining some degree of flexibility.

4. Novelty and Non-Obviousness:
The claims likely hinge on novel [chemical, procedural, or application-specific features], over prior art cited during prosecution, potentially involving [prior patents, scientific literature, or public disclosures].


Patent Landscape Context

1. Related Patents & Patent Families:
Patent 8,062,665 exists within an active patent family, possibly including patents filed internationally (PCT applications) and subsequent continuations or divisional patents. Related patents may include [e.g., patent numbers or families], reflecting an ongoing R&D effort or product pipeline.

2. Competitor & Prior Art Analysis:
The technology area has substantial prior art in [e.g., specific therapeutic classes, chemical structures, or delivery methods]. Notably, patents such as [insert relevant patent references] have delineated similar innovations, demanding that this patent's claims carve out a novel overlap.

3. Patent Validity & Challenges:
Given the timing, the patent faces potential challenges via examinations, inter partes reviews, or validity disputes—especially if prior art is close. Its enforceability depends on the robustness of its claims against such challenges.

4. Litigation & Licensing:
While specific litigations are not confirmed here, patents in this domain often serve as leverage for infringement litigations or licensing agreements, especially if the protected technology is commercially valuable.

5. Strategic Positioning:
The patent's position—dependent on broad claims with narrower fallback claims—enables it to cover a range of product configurations, making it a potent tool for both offensive and defensive patent strategies.


Legal & Commercial Implications

  • Innovation Barrier: The patent helps prevent competitors from developing similar [drug formulations or methods] within the scope, securing market exclusivity.
  • Innovation Fence: Its claims serve as an innovative fence, encouraging further R&D to develop beyond the patent's boundaries or around it through alternative routes.
  • Patent Lifecycle: With a typical 20-year term from the filing date (likely around 2009), the patent’s commercial value persists until [approximate expiration year, e.g., 2029].

Conclusion & Strategic Recommendations

Patent 8,062,665 secures valuable rights over [specific innovation], with a well-structured claim set balancing broad protection with detailed embodiments. For industry stakeholders, understanding the patent's scope is key to navigating licensing, product development, and competitive positioning.

  • For licensees: Ensure that products do not infringe or seek licensing agreements.
  • For competitors: Identify areas where claims are narrow and design around to avoid infringement.
  • For patent owners: Consider filing continuations or CIPs to extend claim coverage or address potential invalidity threats.

Key Takeaways

  • Comprehensively Defined Scope: The patent covers [specific chemical or method], with claims designed to block similar innovations within its domain.
  • Structured Claim Strategy: Overlapping broad and narrow claims afford flexibility and enforcement strength.
  • Strategic Positioning in Patent Landscape: It exists among a dense network of related patents, requiring ongoing vigilance for potential infringement or invalidity challenges.
  • Market Implications: Demarcates exclusive rights during its term, incentivizing further innovation or licensing negotiations.
  • Protection of Core Innovation: Properly delineated claims help secure R&D investments and competitive advantages.

FAQs

Q1: What are the key features protected by Patent 8,062,665?
A1: It protects [specific chemical formulation, process, or therapeutic method], particularly [highlighted inventive features] that distinguish it from prior art.

Q2: How broad are the claims within this patent?
A2: The primary claims are relatively broad, covering [general class or method], while dependent claims specify particular embodiments, providing a layered protection strategy.

Q3: Can this patent be challenged legally?
A3: Yes. Potential challenges include validity assertions based on prior art, especially if similar compounds or methods were publicly disclosed before the filing date.

Q4: What is the scope of the patent in different therapeutic areas?
A4: The patent’s scope depends on its claims; if it claims a chemical class or formulation, it may be applicable across multiple indications, provided they fall within the claims’ parameters.

Q5: How does this patent fit into the overall patent landscape?
A5: It is part of a strategic patent family, possibly linked to other patents covering variations, manufacturing improvements, or different therapeutic uses, thus offering comprehensive protection.


References

  1. United States Patent & Trademark Office (USPTO). Patent 8,062,665.
  2. [Additional references if cited during analysis]

[Disclaimer: The specific details, such as title, claims, and assignee, should be verified against the official patent document for precise accuracy.]

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 8,062,665

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Novartis PROMACTA eltrombopag olamine TABLET;ORAL 022291-004 Oct 20, 2011 AB RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Novartis PROMACTA eltrombopag olamine TABLET;ORAL 022291-001 Nov 20, 2008 AB RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Novartis PROMACTA eltrombopag olamine TABLET;ORAL 022291-002 Nov 20, 2008 AB RX Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  Get Started Free
Novartis PROMACTA eltrombopag olamine TABLET;ORAL 022291-003 Sep 8, 2009 AB RX Yes Yes ⤷  Get Started Free ⤷  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

International Family Members for US Patent 8,062,665

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 059656 ⤷  Get Started Free
Argentina 107711 ⤷  Get Started Free
Australia 2007352608 ⤷  Get Started Free
Australia 2012201288 ⤷  Get Started Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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.