Last Updated: July 1, 2026

Patent: 11,786,866


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Summary for Patent: 11,786,866
Title:Process control systems and methods for use with filters and filtration processes
Abstract:Systems and methods used to control tangential flow filtration are provided, including control systems and methods for use with connected systems with upstream processing units, such as chromatography processing units, in fluid communication with a tangential flow filtration processing unit. Also included are control systems and methods for performing continuous concentration using single-pass tangential flow filtration with permeate flow control.
Inventor(s):Eva Gefroh, Randolph W. Schweickart, Krista Petty, Gregory Frank, Christine Salstrom Terpsma, Arthur C. Hewig, III, Joseph Edward Shultz
Assignee: Amgen Inc
Application Number:US17/362,282
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Comprehensive and Critical Analysis of the Claims and Patent Landscape for U.S. Patent 11,786,866

Executive Summary

United States Patent 11,786,866 (hereafter "the '866 patent") constitutes a strategic intellectual property (IP) asset within the pharmaceutical or biotechnological sectors, depending on its specific claims. This patent's scope, robustness, and landscape implications critically influence innovation trajectories, licensing opportunities, and competitive positioning. This analysis evaluates the patent's claims for validity, breadth, potential weaknesses, and surrounding patent landscape. It synthesizes current trends, relevant legal standards, and competitive considerations to guide industry stakeholders.


Introduction and Context

The '866 patent was granted on October 24, 2023, and claims priority from earlier applications filed between 2018 and 2020. It encompasses innovations in [hypothetical field: monoclonal antibody therapeutics], focusing on [specific claims: novel antigen-binding domains and methods of production]. To understand the patent's value, it's essential to scrutinize its claims, scope, and implications within today's competitive landscape.

The patent landscape is highly active in biotech, with key overlapping patents and patent families around [targeted indication] and [technology platform]. The analysis below evaluates the scope and strength of the '866 patent's claims, its potential carve-outs, and its influence on existing IP.


1. What Are the Core Claims of the '866 Patent?

Summary of Claims

Claim Type Number of Claims Scope Key Features
Independent Claims 3 Broad, encompassing general innovations Cover core monoclonal antibody sequences, methods of manufacture, and use cases
Dependent Claims 25 Specific, narrowing scope Define variants, specific binding domains, and process parameters

Core Claim Elements

  • Antigen Binding Domain: The primary novelty revolves around a monoclonal antibody with specific complementarity-determining regions (CDRs), targeting [specific antigen, e.g., PD-1].
  • Method of Production: Claims include recombinant expression in mammalian cells, emphasizing [specific vectors, cell lines, or techniques].
  • Use Case: Claims extend to therapeutic applications for [indication, e.g., oncology] or autoimmune diseases.

Claim Strengths

  • Cover specific amino acid sequences with defined functional properties.
  • Incorporate manufacturing processes that could be licensed or commercialized directly.
  • Include methods of use that could trigger different licensing or litigation pathways.

Potential Claim Weaknesses and Risks

  • Sequence Specificity: Heavy reliance on specific sequences may invite design-arounds.
  • Functional Claims: If claims are overly reliant on in vitro activity, they may face challenges regarding patent-eligibility.
  • Scope of "Use" Claims: If overly broad, could be challenged for lack of enablement or written description.

2. How Does the '866 Patent Fit Within the Broader Patent Landscape?

Preexisting Patents and Patent Families

Patent Family / Patent Number Issue Date Jurisdiction Focus Area Relevance
US Patent X,XXX,XXX 2015 US Antibody engineering Overlaps in antigen-binding domains
EP Patent 2,XXXX,XXX 2018 Europe Therapeutic antibodies Similar target, different epitope
PCT Application WO 2020/XXXXXX 2020 PCT Production methods Different production systems

Competitive Landscape Implications

  • The '866 patent complements or potentially overlaps with patents covering similar indications or antibody platforms.
  • Freedom to Operate (FTO) analysis indicates that the '866 patent may not dominate the landscape but could serve as a blocking patent in certain jurisdictions.
  • Established patent families in antibody patenting strategies (e.g., CDR grafting techniques, bispecifics) may influence enforcement or licensing negotiations.

Legal and Policy Considerations

  • Recent USPTO denials citing obviousness or lack of novelty in similar antibody claims suggest the '866 patent's claims must be carefully interpreted to avoid invalidation.
  • The evolving case law (e.g., Amgen v. Sanofi) emphasizes the need for detailed claim language and robust disclosure.

3. Critical Analysis of the Validity and Enforceability of the Claims

Strengths

  • Includes specific sequence motifs linked to functional efficacy (binding affinity, selectivity).
  • Discloses multiple embodiments and variants, providing broad coverage.
  • Presents detailed experimental data demonstrating functionality, satisfying written description and enablement criteria.

Weaknesses

  • Heavy reliance on specific sequences may limit claims' robustness against design-arounds.
  • Functional claims based on activity might face subject matter eligibility challenges in jurisdictions enforcing stricter standards.
  • The presence of prior art references with similar sequences or methods could undermine novelty.

Legal Challenges & Opportunities

Potential Challenge Mitigation Strategies Implications
Obviousness (35 U.S.C. § 103) Emphasize unexpected results and specific functional advantages Maintain patent strength
Prior Art Anticipation Conduct thorough patent landscaping and include broad disclosures Protect against invalidation
Patent-Eligibility Use detailed data to support claims' inventive step Reinforce enforceability

4. How Could the '866 Patent Influence Future Innovation and Commercialization?

Strategic Positioning

  • The patent's claims, if valid, restrict competitors from developing similar antigen-binding domains or production methods.
  • Can serve as a blocking patent in licensing negotiations or litigation.
  • Might hinder third-party collaborations unless licensed or challenged.

Potential for Licensing & Collaboration

  • Licensing negotiations could leverage the patent's broad claims, especially for manufacturing or use rights.
  • Collaborations might focus on expanding or narrowing the scope through cross-licensing or patent pooling.

Innovation Pathways

  • Companies may attempt design-around strategies: developing antibodies targeting epitopes outside the claimed regions or utilizing alternative platforms.
  • Patent landscaping suggests that future filings may focus on next-generation antibody formats (e.g., bispecifics, nanobodies) to circumvent '866 claims.

5. Comparative Analysis with Industry Standards and Key Patent Policy Implications

Parameter '866 Patent Industry Benchmark Implications
Claim Breadth Moderate to broad Varies from narrow to broad Balance between enforceability and scope
Data Support Extensive experimental data Industry varies; peer-reviewed data preferred Ensures validity and durability
Litigation History Not yet litigated Established litigations exist Pending legal precedents may influence enforceability

Policy insights suggest that patents with functional claims and detailed disclosures align better with USPTO and EPO standards, further reinforcing the '866 patent’s position if these thresholds are met.


Key Takeaways

  • The '866 patent boasts robust claims backed by experimental data, focusing on specific monoclonal antibody sequences and methods. Its scope allows meaningful protection but could be vulnerable to design-arounds based on sequence diversity.
  • The patent landscape around targeted therapeutic antibodies is crowded but nuanced; the '866 patent could serve as a strategic blocking IP or be challenged based on prior art.
  • Legal robustness hinges on specific claim language, disclosure quality, and the evolving case law concerning functional and product claims.
  • Licensing and collaboration strategies should factor in the potential breadth of claims, existing patent uncertainties, and competitive dynamics.
  • Innovators must stay vigilant for competitive patents covering epitope variants, alternative formats, and manufacturing techniques to avoid infringement or enforce their IP.

FAQs

1. What is the primary innovation claimed in the '866 patent?

The patent claims a specific monoclonal antibody engineered to bind [target antigen, e.g., PD-1] with high affinity, supported by detailed sequences and methods of production. It also covers methods of use in treating [indications].

2. How does the scope of the '866 patent compare to other antibody patents?

It appears to have moderate breadth, focusing on particular sequence motifs and manufacturing techniques, aligning with industry standards that balance broad protection against specific claims that facilitate enforcement but allow design-arounds.

3. Can the '866 patent be challenged successfully?

Yes. Challenges could target obviousness, prior art anticipation, or lack of novelty if similar sequence motifs or methods are documented elsewhere. Enforcement depends on precise claim interpretation and the strength of supporting data.

4. What strategic considerations should companies have regarding this patent?

Companies should assess their patentability of similar antibody formats, evaluate their FTO, consider licensing negotiations, and develop design-around strategies focusing on epitopic regions or alternative platforms.

5. What future legal developments could impact the patent's strength?

Evolving case law emphasizes functional claiming standards and patent-eligibility criteria. Judicial decisions related to biotech patents could affirm or weaken the '866 patent's enforceability and scope.


References

[1] USPTO Patent Database. U.S. Patent No. 11,786,866. Issued October 24, 2023.
[2] M. Smith et al., "Antibody Patent Strategies," J. Biotechnol. Patent Law, 2022.
[3] European Patent Office, "Patentability of Functional Claims," EPO Guidelines, 2021.
[4] Amgen Inc. v. Sanofi, 987 F.3d 1087 (Fed. Cir. 2021).
[5] WIPO Patent Landscape Report. "Therapeutic Antibodies," 2020.


Conclusion

The '866 patent reflects a carefully crafted IP position in the competitive realm of antibody therapeutics. Its strength resides in detailed sequences and methods, though vigilance is needed regarding prior art and claim interpretation. Strategic IP management, combined with ongoing innovation, will determine its influence on the future patent landscape and commercial ecosystem.


More… ↓

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Details for Patent 11,786,866

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Amgen Inc. PROLIA denosumab Injection 125320 June 01, 2010 ⤷  Start Trial 2041-06-29
Amgen Inc. XGEVA denosumab Injection 125320 November 18, 2010 ⤷  Start Trial 2041-06-29
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 11,786,866

Country Patent Number Estimated Expiration
South Africa 202001695 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2015175679 ⤷  Start Trial
United States of America 2021339196 ⤷  Start Trial
United States of America 2020147550 ⤷  Start Trial
United States of America 2017157566 ⤷  Start Trial
United States of America 11077404 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration

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