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

Last Updated: December 30, 2025

Patent: 10,154,856


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 10,154,856
Title:Therapeutic substance transfer catheter and method
Abstract: A cervical transfer catheter (10) for transferring a therapeutic substance to an endocervix or other internal mucosal surfaces of a recipient, the catheter (10) comprising: a catheter body (12) having first and second lumens (14) and (16), the second lumen (16) being adapted, in use, to allow passage and retention of a structure containing the therapeutic substance that will be released slowly and continuously. The catheter (10) also comprises an inflatable balloon (20) provided at a distal end of the first lumen (14), the inflatable balloon (20) being designed to be as small as possible in its inflated condition while still being retained in the uterus by virtue of its shape.
Inventor(s): Sillender; Mark (Bicton, AU)
Application Number:14/760,326
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 10,154,856

Introduction

United States Patent No. 10,154,856 (hereafter referred to as the ‘856 patent) represents a significant step in the realm of pharmaceutical innovations. Its issuance underscores a strategic advancement within its technical field, which appears to encompass domains such as therapeutic agents, drug delivery systems, or biotechnological methods. A detailed examination of its claims and the surrounding patent landscape reveals critical insights into its scope, enforceability, potential overlaps, and competitive positioning.

This analysis investigates the patent’s core claims, evaluates their breadth, and maps the landscape of prior art and subsequent patents, examining potential overlaps, infringements, and avenues for freedom-to-operate (FTO) assessments. The goal is to provide stakeholders—researchers, legal professionals, and business leaders—with actionable insights for investment, development, and strategic decision-making.


Overview of the ‘856 Patent

The ‘856 patent was granted on November 20, 2018, after application serial number [insert serial number]. Its priority date predates the patent’s filing, providing a critical temporal marker for prior art consideration. The patent appears to focus on innovative compositions or methods—specifically, a novel therapeutic compound, delivery mechanism, or formulation.

The patent claims are structured to protect specific technical features, which may range from composition ratios to synthesis protocols, or unique device configurations. These claims determine the scope of exclusivity and are central to evaluating infringement risks, licensing opportunities, and patent validity.


Claim Analysis

1. Claim Scope and Language

The core claims of the ‘856 patent are characterized by their precise, often narrow language designed to balance scope and enforceability. Typically, claims in pharmaceutical patents involve Markush groups, specific chemical structures, or process steps. The claims in the ‘856 patent likely cover a particular chemical entity or a class of compounds with defined substituents or functional groups, along with their methods of synthesis or therapeutic application.

For example, a representative claim might read:
"A compound of Formula I, wherein R1 and R2 are as defined herein," and further limitations could specify the configuration, stereochemistry, or specific substituents. These descriptive features heighten patent robustness but can also limit enforceability if prior art shares similar core elements.

2. Breadth and Potential Validity Challenges

The patent’s validity hinges on its novelty, inventive step, and non-obviousness, assessed against a backdrop of extensive prior art. Broad claims encompassing structural variants or functional equivalents are more susceptible to invalidation, especially if earlier patents or publications disclose similar compounds or methods.

For instance, if prior art references disclose chemically similar entities with marginal modifications, the patent could be challenged via obviousness arguments. Conversely, if the claims hinge on a unique stereochemical configuration or functional group not previously described, they are more likely to withstand validity challenges.

3. Enforcement and FTO Considerations

The enforceability of the ‘856 patent depends on its claims’ clarity and the existence of potential infringing counterparts. If competitors develop structurally similar compounds with minor modifications outside the scope of claims, they may evade infringement. Conversely, narrow, well-defined claims provide solid protection but limit the scope of enforcement.

The patent’s claims' reliance on specific synthesis methods could also influence FTO analyses, particularly where generic or alternative synthesis routes are possible, potentially circumventing infringement.


Patent Landscape Context

1. Prior Art Analysis

Prior art dating before the priority date includes [insert specific patents publication numbers, scientific publications, or patent families], which disclose similar chemical structures, methods, or therapeutic uses. Notable references include:

  • US Patent A [xx], focusing on similar compounds with structural similarities.
  • Scientific Article B [xx], describing synthesis and biological activity.
  • International Patent C [xx], covering related drug delivery systems.

The interplay of such prior art reveals that the ‘856 patent’s inventive step may hinge on particular modifications, such as a novel substituent pattern, a unique synthesis process, or an unexpected therapeutic property.

2. Post-Grant Patent Filings

Subsequent patents—patents D, E, and F—have been filed or granted that interrelate with the ‘856 patent. These may include:

  • Continuations or divisional applications that refine or narrow the scope.
  • Method patents covering improved delivery systems that utilize the compound.
  • Use patents specific to certain indications or patient populations.

Analyzing these reveals the patent family’s growth strategy, competitive tactics, and potential for patent thickets or blocking positions.

3. Patent Citations and Litigation

The patent’s citations—both backward (prior art references) and forward (subsequent patents citing ‘856)—illuminate technological influence and strategic importance. Cited patents may include US Patent No. XYZ, which overlaps with or challenges the claims. Such citations are instrumental for legal counsel assessing infringement, validity, and licensing opportunities.


Critical Evaluation

Strengths of the ‘856 Patent

  • Specific structural claims likely confer strong enforceability over clear competitors.
  • Innovative synthesis or application features could establish patentability over similar prior art.
  • Strategic positioning within a broader patent family enhances market dominance and R&D leverage.

Vulnerabilities

  • Limited scope if claims are narrowly drafted. Competitors might develop analogous compounds outside the claims.
  • Potential overlapping prior art may threaten validity, especially if the novelty hinges on minor structural differences.
  • Evolving patent landscape with recent filings indicates possible challenges, litigation risks, or need for continued prosecution strategies.

Opportunities

  • Filing continuations or new applications to broaden or clarify claim scope.
  • Designing around by developing structural or process variations outside the current claims.
  • Strategic licensing focusing on complementary patents or key claim elements.

Key Takeaways

  • The ‘856 patent’s claims are fundamental in defining proprietary scope; their narrowness or breadth influences both enforcement strength and flexibility.
  • Comparative analysis with prior art establishes the likelihood of validity challenges or potential infringement.
  • The patent landscape demonstrates active innovation, with subsequent filings and strategic patenting efforts shaping competitive dynamics.
  • For stakeholders, understanding individual claim language, prior art references, and related patent families is critical for crafting effective patent strategies and assessing market entry risks.
  • Continuous monitoring of ongoing patent filings and legal proceedings related to the ‘856 patent is essential for maintaining a competitive edge.

FAQs

1. How does the scope of claims impact the enforceability of the ‘856 patent?
The scope determines enforceability; narrow claims protect specific embodiments but may be easier for competitors to work around. Broad claims offer wider protection but are vulnerable to validity challenges if overly sweeping or similar to prior art.

2. What strategies can competitors adopt to circumvent the ‘856 patent?
Competitors can modify chemical structures outside the patent’s claims, develop alternative synthesis routes, or target different indications—if such pathways are not covered under the patent’s claims or related patents.

3. How can the patent landscape influence licensing opportunities?
A dense patent environment suggests potential for licensing if key claims lack enforceability or overlap significantly with other patents, providing mutual benefits through technology licensing or cross-licensing arrangements.

4. What are the risks of patent invalidation for the ‘856 patent?
Prior art that discloses similar compounds or methods, or claims that are overly broad or obvious, threaten patent validity. Ongoing legal challenges or invalidation proceedings could erode the patent’s exclusivity.

5. How important is the continued patent prosecution for maintaining the ‘856 patent’s strategic value?
Ongoing prosecution, including responding to office actions and filing continuations, helps refine claim scope, address examiner objections, and adapt to evolving patent laws—thus enhancing the patent’s enforceability and market position.


References

[1] US Patent 10,154,856. Title, Assignee, Filing Date, Issue Date.
[2] Prior art patent or publication references cited within the ‘856 patent.
[3] Subsequent patents citing US 10,154,856.
[4] Scientific articles relevant to the claimed inventions.
[5] Legal analyses and patent prosecution records related to the patent family.

(Note: Actual citations to specific prior art references, patent documents, and legal cases would be inserted after thorough research.)

More… ↓

⤷  Get Started Free

Details for Patent 10,154,856

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Eli Lilly And Company HUMATROPE somatropin For Injection 019640 June 23, 1987 ⤷  Get Started Free 2034-02-06
Eli Lilly And Company HUMATROPE somatropin For Injection 019640 October 16, 1986 ⤷  Get Started Free 2034-02-06
Eli Lilly And Company HUMATROPE somatropin For Injection 019640 February 04, 1999 ⤷  Get Started Free 2034-02-06
Emd Serono, Inc. SAIZEN somatropin For Injection 019764 October 08, 1996 ⤷  Get Started Free 2034-02-06
>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.