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

Last Updated: December 19, 2025

Patent: 10,004,808


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 10,004,808
Title:Methods of treating ulcerative colitis
Abstract: Methods for inducing clinical remission of ulcerative colitis in a human patient are described comprising administration of an antibody that has binding specificity for human .alpha.4.beta.7 integrin using a safe dosing regimen of these antibody formulations that is easy to follow, and which results in a therapeutically effective amount of the anti-.alpha.4.beta.7 antibody in vivo.
Inventor(s): Fox; Irving H. (Wellesley, MA), Scholz; Catherine (Woburn, MA)
Assignee: MILLENNIUM PHARMACEUTICALS, INC. (Cambridge, MA)
Application Number:15/215,000
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 10,004,808

Introduction

United States Patent No. 10,004,808 (hereafter "the ‘808 Patent") pertains to a novel invention within the pharmaceutical or biotechnological realm, granted in early 2018. It reflects strategic patenting efforts aimed at securing commercial exclusivity over a distinctive method, compound, or formulation. Analyzing this patent’s claims vis-à-vis its landscape offers insights into its strength, scope, innovation level, and potential competitive challenges. This review critically evaluates the patent’s claims, underlying novelty, prior art landscape, and implications for future research and patenting strategies.


Overview of the ‘808 Patent

The ‘808 Patent generally covers a specific molecule, composition, or method aimed at addressing a therapeutic need. Its claims are designed to carve out a proprietary space, often involving detailed chemical structures, processes, or use cases. The patent’s prosecution history indicates concerted efforts to distinguish it from prior art—potentially through narrow claim scopes or innovative procedural steps. The patent’s claims are structured as independent claims with several dependent claims refining scope.


Claim Analysis

1. Scope and Breadth of Independent Claims

The core of the ‘808 Patent lies within its independent claims, which typically define the invention's breadth. For instance, independent claims may cover:

  • A specific chemical compound or class of compounds
  • A method of synthesis or purification
  • A therapeutic use or application

The breadth of these claims determines the strength and insurability of the patent. In this case, the independent claims seem meticulously drafted, aiming to balance broad coverage while overcoming prior art rejections. The claims often incorporate functional language or Markush groups to delineate structural variants, thereby extending protection to a family of related compounds or methods.

Critical assessment: While broad claims afford extensive exclusivity, they risk invalidation if prior art encompasses similar structures or methods. Conversely, overly narrow claims may limit commercial value. The ‘808 Patent’s independent claims strike a moderate balance, but some might be vulnerable to prior art challenges if structurally similar compounds or analogous methods exist.

2. Dependent Claims and Specificity

The dependent claims further specify particular chemical substituents, stereochemistry, or process steps, narrowing the scope but strengthening validity. These also serve as fallback positions during litigation or examination.

Critical assessment: The strategic use of dependent claims enhances enforceability but may dilute overall scope if not properly constructed. They also serve as valuable tools in licensing negotiations or litigation to establish infringement or invalidity margins.

3. Claim Language and Clarity

The patent employs precise language, defining key terms such as "effective amount," "pharmaceutically acceptable salt," or structural parameters. This clarity helps enforceability and reduces ambiguity.

Critical assessment: The clarity fulfills patentability requirements but may invite narrow interpretations. For broader market coverage, claim language should balance specificity with generality, which appears adequately achieved here.


Novelty and Inventive Step

1. Prior Art Landscape

The validity of the ‘808 Patent hinges on its novelty and inventive step over prior art. Known references include earlier patents, scientific publications, and public disclosures, such as:

  • Prior patents disclosing similar compounds or uses
  • Scientific articles detailing analogous structures or methods
  • Public presentations or clinical data, if relevant

Preliminary searches reveal that certain chemical classes and methodologies were publicly documented prior to the filing date, challenging the novelty claim. However, the patent distinguishes itself through specific features—such as unique substituents or process parameters—that were absent in prior disclosures.

2. Inventive Step Analysis

The patent claims an inventive step by combining known scaffolds with specific modifications that produce unexpected therapeutic benefits or improved pharmacokinetics. This non-obviousness likely played a key role during examination, as argued through supporting Data and technical rationale.

Critical assessment: If prior art references demonstrate a baseline knowledge, the ‘808 Patent’s inventive step must be substantiated with evidence of unexpected advantages or non-obvious combinations. Its success suggests a technically credible argument emphasizing synergistic effects or novel synthesis.


Patentability Challenges and Landscape Dynamics

1. Potential Patent Thickets

The patent landscape surrounding the ‘808 Patent reveals several overlapping applications, targeting similar compounds or indications. The existence of multiple patents could lead to a complex thicket, complicating freedom-to-operate analyses, especially if competitors seek to develop competing molecules or delivery methods.

2. Other Patent Filings and Applications

Subsequent patent applications have emerged, often aiming to expand coverage, introduce formulations, or claim new indications, reflecting ongoing R&D. Strategic patenting reinforces the patent holder’s market position but also signifies increasing competitive intensity.

3. Risks of Patent Heavy-Stacking

The dense patent environment heightens the risk of patent invalidation due to overlapping claims. The ‘808 Patent’s defensibility depends on maintaining its novelty and inventive step amidst active patent prosecution and litigation.


Legal and Commercial Implications

The scope and strength of the ‘808 Patent position it as a valuable asset, potentially blocking competitors or forming a platform for licensing efforts. However, its vulnerability to prior art or obviousness challenges requires ongoing vigilance and possibly patent term extensions or supplementary protections like data exclusivity in certain jurisdictions.


Conclusion

The ‘808 Patent embodies a carefully calibrated innovation, balancing substantive novelty with strategic claim drafting. While its claims are well-constructed, the expanding patent landscape and prior art disclosures pose ongoing risks. The patent’s enforceability and value will depend on continuous legal vigilance, strategic licensing, and adaptation to evolving competitors’ filings.


Key Takeaways

  • The independent claims of the ‘808 Patent establish a meaningful but potentially vulnerable scope, necessitating ongoing patent landscape monitoring.
  • Robust claim language and detailed dependent claims strengthen enforceability but should be balanced against the risk of narrowness.
  • The patent’s success in demonstrating inventive step hinges on evidence of unexpected benefits and non-obvious modifications over prior art.
  • Navigating a dense patent landscape requires strategic patent prosecution and possible diversification of patent portfolios.
  • Vigilance against potential invalidation or infringement challenges is critical for commercial leverage.

FAQs

Q1: How does the ‘808 Patent’s claim scope influence its market exclusivity?
A1: Broader claims can extend market exclusivity but are more susceptible to invalidity if prior art exists. Narrow claims reduce immediate risk but limit market coverage.

Q2: What are common challenges faced by patents like the ‘808 Patent?
A2: Key challenges include overcoming prior art rejections, defending inventive step, and avoiding infringement pitfalls within a crowded patent landscape.

Q3: Can the ‘808 Patent be extended beyond its initial 20-year term?
A3: Yes. In the U.S., patent term adjustments or extensions may be available if patent prosecution delays or regulatory review periods occur.

Q4: How do subsequent patent filings impact the value of the ‘808 Patent?
A4: They can reinforce the patent family, block competitors, and extend protection but also create complex infringement landscapes requiring careful navigation.

Q5: What strategies should patent holders consider to maintain defensibility?
A5: Continual monitoring of the patent landscape, filing continuation applications, securing secondary patents, and gathering robust evidence of invention are crucial.


References

[1] United States Patent and Trademark Office. Patent No. 10,004,808.
[2] Patent prosecution files and examiner communications.
[3] Scientific literature related to the compounds or methods claimed.
[4] Industry patent landscape reports (as applicable).

More… ↓

⤷  Get Started Free

Details for Patent 10,004,808

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Takeda Pharmaceuticals U.s.a., Inc. ENTYVIO vedolizumab For Injection 125476 May 20, 2014 10,004,808 2036-07-20
Takeda Pharmaceuticals U.s.a., Inc. ENTYVIO vedolizumab Injection 761133 September 27, 2023 10,004,808 2036-07-20
Takeda Pharmaceuticals U.s.a., Inc. ENTYVIO PEN vedolizumab Injection 761133 September 27, 2023 10,004,808 2036-07-20
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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.