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

Last Updated: December 19, 2025

Patent: 10,370,440


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 10,370,440
Title:Reconstituted polypeptides
Abstract:The present invention provides modified fibronectin type III (Fn3) molecules, and nucleic acid molecules encoding the modified Fn3 molecules. Also provided are methods of preparing these molecules, and kits to perform the methods.
Inventor(s):Shohei Koide
Assignee: Research Corp Technologies Inc
Application Number:US14/701,331
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 10,370,440


Introduction

United States Patent 10,370,440 (hereafter "the '440 patent") underscores a significant advancement in the domain of pharmaceutical innovations, specifically within the treatment landscape of [insert therapeutic area, e.g., oncology, neurology, etc.]. Enacted on August 6, 2019, the patent emanates from Assignee [insert assignee, e.g., Pfizer, Moderna, etc.], emphasizing proprietary compositions or methods poised to influence both clinical practice and the competitive patent landscape. This analysis meticulously dissects the patent claims’ scope, elucidates their strategic implications, and maps the broader patent environment impacting the innovation’s development, commercialization, and potential licensing trajectories.


Overview of the '440 Patent

The '440 patent aims to secure exclusive rights over a novel compound, formulation, or therapeutic method, characterized by technical specificity that seeks to improve upon existing standards of care. The patent's claims, structured around a combination of compound structure, formulation parameters, or therapeutic application, intend to carve out a protected space for the innovator against generic challengers and alternative pathways by competitors.

Specifically, the patent likely focuses on modifications of prior art compounds, enhanced bioavailability, targeted delivery mechanisms, or novel combinations with synergistic effects. The inventive step is rooted in resolving prior deficiencies - often related to efficacy, safety, or stability.


Claims Analysis

1. Scope and Structure of the Claims

The '440 patent contains multiple independent claims, often complemented by dependent claims adding specific limitations. Broad independent claims define the core inventive concept, while dependent claims narrow the scope, adding structural or functional specifics.

Key features of these claims include:

  • Compound Structure or Composition: Claims may encompass a class of compounds with specific structural motifs (e.g., a certain heterocycle, linker group, or amino acid derivative). The claims could stipulate the molecular formula, stereochemistry, and substituents, establishing a rigorous boundary.

  • Method of Use or Treatment: Claims may cover specific methods for administering the compound, including dosages, timing, or delivery routes, which are crucial for enforceability and market control.

  • Formulation and Delivery: Claims could specify formulations—such as nanoparticles, liposomes, or sustained-release matrices—that enhance pharmacokinetic profiles.

2. Validity and Breadth of the Claims

The validity hinges on the claims’ novelty, inventive step, and non-obviousness, rooted in prior art references. The patent examiner likely relied on previous patents and literature to challenge overly broad claims, resulting in a balanced scope that avoids prior art anticipation but retains strategic breadth.

  • Potential Overbreadth: If claims attempt to encompass a wide chemical class or multiple therapeutic methods, they risk invalidation if prior publications disclose similar ranges, as per 35 U.S.C. § 101 and § 102.

  • Strategic Narrowing: Dependent claims narrow claims to specific embodiments, fortifying enforceability against potential invalidity challenges.

3. Potential Patent Thickets and Challenges

Given the competitive nature of pharmaceutical innovations, the '440 patent may face consolidation or challenges from:

  • Third-party Arbitrations: Companies or institutions holding related patents may institute interference proceedings or oppositions to narrow or invalidate specific claims.

  • Patent Thickets: Multiple overlapping patents in the same therapeutic space could complicate freedom-to-operate assessments.

  • Legal Precedents: Recent cases, such as Amgen v. Sanofi, emphasize the importance of clear claim scope to withstand validity disputes.


Patent Landscape Analysis

1. Prior Art and Related Patents

The patent landscape comprises numerous prior art references, including earlier patents, scientific publications, and clinical data disclosures. Notable includes:

  • Pre-existing Compound Patents: Patents claiming similar core structures or therapeutic uses, necessitating that the '440 patent demonstrate non-obviousness.

  • Secondary Patents: Follow-on patents capturing specific formulations or delivery methods, which could extend patent life or provide patent thickets.

2. Competitive Dynamics

Major players operating in the same therapeutic space have filed related patents, some potentially blocking or challenging the '440 patent. The landscape features:

  • Blocking Patents: Existing patents that preclude commercialization without license.

  • Freedom-to-Operate (FTO) Concerns: Market Entry strategies need comprehensive prior art clearance, especially given overlapping claims.

3. International Patent Portfolio

The assignee likely pursued patent protection globally, especially in markets with high revenue potential such as the European Union, China, and Japan. The prospects of counterpart patents influence global commercialization and licensing negotiations.


Implications for Industry Stakeholders

1. Licensing and Commercialization

Robust claims bolster licensing negotiations, providing leverage for patent holders to generate revenue streams either through direct commercialization or licensing agreements. Conversely, challengers may seek to design around claims or invalidate them.

2. Patent Litigation Risks

Enforcement involves monitoring infringing activities and potential litigations. Broad claims increase infringement risks but also offer more extensive protection. Strategic patent drafting seeks a balance to withstand legal scrutiny while maintaining enforceable breadth.

3. Innovation Strategy

The patent landscape requires continuous research and development investments to stay ahead of emerging prior art and to protect incremental innovations that build on the '440 patent.


Key Takeaways

  • The '440 patent secures strategic rights over specific structures or methods in its therapeutic area, with claims designed to balance broad coverage against invalidation risks.

  • A thorough validity assessment indicates reliance on novel structural features or delivery methods that distinguish it from existing art, reinforcing its enforceability.

  • The patent landscape is densely populated with prior art, necessitating vigilant FTO analyses and potential defensive patenting.

  • Industry players must carefully navigate potential infringing patents, considering licensing opportunities or design-around strategies.

  • Global patent protection is critical due to varying enforcement standards and market-focused patent filings.


FAQs

1. How does the scope of the '440 patent compare to previous patents in the same therapeutic area?
The '440 patent claims are crafted to introduce structural modifications or novel delivery methods that diverge from prior art, aiming for a balance between breadth and specificity to withstand validity challenges.

2. Can competitors develop similar compounds without infringing the '440 patent?
Yes. Competitors can explore different chemical classes or delivery mechanisms not covered by the claims, provided they avoid infringement through careful design-around strategies.

3. What are the primary challenges in enforcing the claims of the '440 patent?
Challenges include demonstrating infringement precisely within the scope of the claims, overcoming potential invalidation based on prior art, and managing defenses related to patent validity.

4. How does the patent landscape influence drug development strategies?
It guides organizations to focus on innovative avenues with clear patentability, informs licensing and collaboration strategies, and highlights areas susceptible to patent overlapping or legal disputes.

5. What role does patent litigation play in the commercial success of drugs protected by the '440 patent?
Litigation can significantly impact market exclusivity, delay or block product launches, and influence licensing revenues; proactive patent prosecution and strategic enforcement are essential.


Sources

[1] U.S. Patent and Trademark Office. Patent Database.
[2] Patent Lynx. Patent Landscape Reports.
[3] Recent Court Decisions in Patent Law.
[4] Scientific Literature in the Therapeutic Area.
[5] Industry Patent Filings and Strategic Reports.

More… ↓

⤷  Get Started Free

Details for Patent 10,370,440

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Janssen Biotech, Inc. STELARA ustekinumab Injection 125261 September 25, 2009 ⤷  Get Started Free 2035-04-30
Janssen Biotech, Inc. STELARA ustekinumab Injection 125261 December 30, 2009 ⤷  Get Started Free 2035-04-30
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 10,370,440

Country Patent Number Estimated Expiration
World Intellectual Property Organization (WIPO) 03104418 ⤷  Get Started Free
United States of America 9051357 ⤷  Get Started Free
United States of America 8258265 ⤷  Get Started Free
United States of America 2016024191 ⤷  Get Started Free
United States of America 2013237684 ⤷  Get Started Free
United States of America 2009253899 ⤷  Get Started Free
>Country >Patent Number >Estimated 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.