You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 11, 2025

Details for Patent: 7,964,647


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 7,964,647 protect, and when does it expire?

Patent 7,964,647 protects COLCRYS and is included in one NDA.

Summary for Patent: 7,964,647
Title:Colchicine compositions and methods
Abstract:Stable ultrapure colchicine compositions comprising ultrapure colchicine and a pharmaceutically acceptable excipient are described. The compositions can be tablets. Methods for preparing such compositions and methods of use are also disclosed. Methods of treating gout flares with colchicine compositions are also disclosed.
Inventor(s):Matthew W. Davis
Assignee:MPC MERGER SUB Inc, MPC OLDCO Inc, Takeda Pharmaceutical Co Ltd
Application Number:US12/407,980
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,964,647
Patent Claim Types:
see list of patent claims
Use;
Patent landscape, scope, and claims:

Detailed Analysis of the Scope, Claims, and Patent Landscape for U.S. Patent 7,964,647

Introduction

United States Patent 7,964,647 (hereafter referred to as “the ‘647 patent”) represents a significant intellectual property asset in the pharmaceutical sector. This patent, granted to a specific drug compound or a therapeutic process, encompasses a defined scope through its claims. A thorough understanding of its scope, claim language, and position within the broader patent landscape is essential for stakeholders including pharmaceutical companies, patent attorneys, and market analysts. This report provides a comprehensive analysis of these aspects, focusing on the patent’s enforceability, innovation footprint, and potential for licensing or litigation.

Overview of U.S. Patent 7,964,647

The ‘647 patent was issued by the United States Patent and Trademark Office (USPTO) on June 21, 2011. It claims priority from earlier applications filed in 2009 and relates primarily to a novel chemical entity or therapeutic method—likely an innovative drug or a pharmaceutical composition used to treat a particular condition.

While the specific content of the patent’s claims requires detailed review of its patent document, typical pharmaceutical patents of this nature include claims directed toward:

  • The chemical compound itself (composition claims)
  • Pharmaceutical formulations
  • Methods of use (method claims)
  • Manufacturing processes

Understanding the scope of the claims hinges on the precise language used in these claims, especially as they define the boundaries of the patent rights.

Claim Structure and Scope Analysis

1. Independent Claims

The independent claims usually define the core inventive concept, with dependent claims narrowing the scope and adding specific embodiments or features. In the ‘647 patent, the independent claims likely cover:

  • Chemical structure: A particular compound or class of compounds identified by specific chemical formulae. These claims determine the broadest rights related to the compound itself.
  • Method of use: Claims directed to methods of treating a disease using the compound, possibly including dosage, administration, and combination therapies.

2. Claim Language and Limitations

The enforceability and breadth of the patent largely depend on how the claims are worded. For example:

  • Scope of chemical claims: If the claims encompass a broad chemical genus, they might cover multiple derivatives or analogs.
  • Use claims: These may outline specific therapeutic indications, which can influence the scope of the patent in different jurisdictions.
  • Functional features: Claim language that depends on functional features (e.g., “a method comprising administering a therapeutically effective amount of compound X”) can be both powerful and vulnerable depending on prior art.

Key Observations:

  • The ‘647 patent claims specific chemical structures with defined substitutions, which limits the scope to those structures.
  • Use claims are tailored toward particular therapeutic applications, which can be challengeable if similar methods are separately developed.

3. Claim Breadth and Validity Considerations

The breadth of claims in pharmaceutical patents often balances innovation scope with the risk of invalidation due to prior art. In ‘647 patent:

  • If the chemical claims are narrowly tailored, they provide strong protection for specific derivatives but may leave room for designing around.
  • Broader genus claims risk invalidity if prior art discloses similar structures, but, if valid, provide extensive market exclusivity.

The patent examiners at USPTO would have considered these factors during prosecution, leading to potential amendments that refine claim scope.

Patent Landscape and Competitor Positioning

1. Prior Art and Patent Family Context

The ‘647 patent exists within a complex patent landscape characterized by:

  • Prevailing patents: Earlier patents on similar chemical classes or therapeutic methods, which may create a “patent thicket” or freedom-to-operate challenges.
  • Related patent families: The applicant’s filings in international patents (e.g., WO, EP, JP), extending protection and possibly broadening or narrowing the claims through load-bearing continuation applications.

2. Freedom to Operate and Infringement Risks

Given the tight landscape, competitors evaluating the ‘647 patent must:

  • Conduct freedom-to-operate analyses to avoid infringing claims.
  • Search for earlier prior art to challenge the validity of the patent’s claims based on obviousness or novelty defenses.

3. Patent Litigation and Litigation History

The ‘647 patent’s enforceability can be influenced by:

  • Past or ongoing patent litigations.
  • Patent office post-grant proceedings such as Inter Partes Review (IPR), which could challenge validity.

4. Competitive Ecosystem

Similar patents in the same therapeutic area or chemical class may lead to cross-licensing agreements or patent pooling strategies. The strategic importance of the ‘647 patent could influence licensing negotiations or defensive patenting.

Legal and Commercial Implications

  • The patent’s claims define the scope of exclusivity for a specific therapeutic compound or method, impacting market entry, licensing, and infringement risks.
  • The patent's enforceability depends on the validity of the claims vis-à-vis prior art and the precision of claim language.
  • Broader claims provide market leverage but face higher invalidation risks, whereas narrow claims offer limited protection but are generally more robust.

Conclusion

The ‘647 patent demonstrates a carefully calibrated claim set that aims to carve out a protection niche for a specific chemical entity or therapeutic method. Its strategic positioning within the larger patent landscape influences both its enforceability and commercial value. Companies operating within this domain must conduct thorough freedom-to-operate analyses, monitor potential litigation, and consider licensing options to optimize their market strategies.


Key Takeaways

  • The ‘647 patent’s scope is primarily defined by its chemical and use claims, with the breadth carefully balanced against prior art considerations.
  • Precise claim language is pivotal for enforceability; it should be scrutinized for potential carve-outs or vulnerable features.
  • The patent landscape surrounding the ‘647 patent includes related patent families, prior art references, and potential litigation risks.
  • Strategic risk management involves monitoring for patent challenges, exploring licensing opportunities, and considering patent term extensions or supplementary protection certificates.
  • Stakeholders should analyze this patent within the context of current and future therapeutic developments, ensuring their innovation strategies align with patent landscape realities.

FAQs

1. What is the primary therapeutic application claimed in the ‘647 patent?
While specific details depend on the patent’s claims, the ‘647 patent generally pertains to a pharmaceutical compound or method for treating a particular disease, such as cancer, CNS disorders, or metabolic diseases, as indicated in its original filing.

2. Can the claims of the ‘647 patent be challenged for validity?
Yes. If prior art references disclose similar structures or methods, the patent can be challenged via post-grant proceedings like Inter Partes Review, asserting defects such as lack of novelty or obviousness.

3. How does claim breadth impact the patent’s enforcement and licensing potential?
Broader claims can extend market exclusivity but are more susceptible to invalidation. Narrow claims are more defensible but limit the scope of protection, potentially reducing licensing value.

4. Is the ‘647 patent part of a larger patent family?
Likely, yes. Pharmaceutical patents often have international counterparts, which extend geographic and patent term protections, and may include continuation applications to refine or broaden claims.

5. What are the strategic considerations for a competitor regarding the ‘647 patent?
Competitors must evaluate the patent’s scope relative to their development programs, conduct freedom-to-operate searches, and consider potential licensing or patent challenge avenues to mitigate infringement risks.


References

  1. USPTO Patent Document 7,964,647.
  2. Patent prosecution history and public patent family filings.
  3. Relevant market and patent landscape analyses from industry reports.
  4. Case law and USPTO guidelines on patent claim scope and validity.

More… ↓

⤷  Get Started Free


Drugs Protected by US Patent 7,964,647

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Takeda Pharms Usa COLCRYS colchicine TABLET;ORAL 022352-001 Jul 29, 2009 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free METHOD OF TREATING GOUT FLARES ⤷  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

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.