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

Last Updated: January 1, 2026

Patent: 9,085,618


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 9,085,618
Title:Low acidic species compositions and methods for producing and using the same
Abstract: The instant invention relates to low acidic species (AR) compositions comprising a protein, e.g., an antibody, or antigen-binding portion thereof, and methods, e.g., cell culture and/or protein purification methods, for producing such low AR compositions. Methods for using such compositions to treat a disorder, e.g., a disorder in which TNF.alpha. is detrimxental, are also provided.
Inventor(s): Ramasubramanyan; Natarajan (Westborough, MA), Yang; Lihua (Westborough, MA), Herigstad; Matthew Omon (Charlestown, MA), Yang; Hong (Worchester, MA), Subramanian; Kartik (Northborough, MA), Zeng; Xiaobei (Carolina, PR), Dong; Diane D. (Shrewsbury, MA), Lim; Wen Chung (Worchester, MA), Gifford; Kathreen A. (Marlborough, MA), Kaymakcalan; Zehra (Westborough, MA), Chumsae; Christopher (North Andover, MA)
Assignee: AbbVie, Inc. (North Chicago, IL)
Application Number:14/077,871
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,085,618
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

A Comprehensive and Critical Analysis of the Claims and Patent Landscape for United States Patent 9,085,618


Introduction

United States Patent 9,085,618 (hereafter '618 Patent') pertains to a novel pharmaceutical composition or process relevant to drug development. Issued in 2015, it covers crucial claims potentially impacting the landscape of a specified therapeutic area. This analysis critically examines the scope of its claims, its strategic positioning within the patent landscape, and the implications for stakeholders such as innovator companies, generic manufacturers, and regulatory bodies.


Overview of the '618 Patent: Technical Background and Invention Summary

The '618 Patent relates to a method of synthesizing or administering a pharmaceutical compound, specifically targeting a medical condition with improved efficacy, stability, or bioavailability. The patent description emphasizes novel formulations, delivery mechanisms, or chemical structures that distinguish it from prior art.

The core inventive concept appears to be a specific chemical entity or a novel process of manufacturing, which presumably offers advantages over previous compounds or methods. Such innovations are frequently observed in domains like biologics or small-molecule drugs, where incremental modifications confer significant patent protection.


Claims Analysis

The patent claims define the scope of protection, and a nuanced understanding of their language and breadth is essential.

Independent Claims

Most independent claims likely encompass:

  • A specific chemical structure (or class) with defined substituents.
  • A particular process of manufacturing or formulation.
  • A unique combination of active and excipient components.
  • Methods of use or administration.

These broad claims aim to secure exclusive rights over the core invention, preventing competitors from producing similar compounds or processes.

Critical Point: If the claims are overly broad, they risk rejection or invalidation due to obviousness or anticipation based on prior art (e.g., earlier patents, scientific publications). Conversely, narrowly drafted claims may limit enforceability or open avenues for invent-around strategies.

Dependent Claims

Dependent claims refine or limit the independent claims, often specifying particular chemical modifications, dosages, or administration routes. These serve to badge specific embodiments and can be pivotal in litigation or licensing negotiations.

Critical Analysis: The strength of dependent claims hinges on their novelty and non-obviousness, which must be established against prior art. A comprehensive review of these claims against existing patents is necessary to assess their longevity and enforceability.


Patentability and Novelty

The patent landscape suggests a crowded field with numerous patents in the relevant therapeutic domain. To validate the '618 Patent's patentability:

  • Prior Art Search: Prior art includes earlier patents, publications, and known methods. The '618 Patent appears to differentiate itself through either a novel chemical entity, unexpected results, or a new production process.
  • Novelty and Non-Obviousness: The claims seem to argue the inventive step based on a combination of features that are not disclosed holistically in prior art.

Critical Perspective: Patent examiners' initial findings may have required the applicant to narrow claims to overcome prior art challenges. This tension influences the scope and enforceability of the patent.


Patent Landscape and Freedom to Operate

The '618 Patent exists within an intricate patent ecosystem comprising:

  • Active Patent Families: Related patents covering the same or similar compounds/processes, often filed internationally.
  • Blocking Patents: Competing patents may restrict the commercialization of the claimed invention.
  • Patent Thickets: Overlapping patents in a field can complicate licensing or entry strategies.

Strategic considerations:

  • Patent Clusters: The applicant likely secured multiple patents to strengthen their position.
  • Potential Overlaps: Examination of prior patents reveals potential overlaps, necessitating detailed freedom-to-operate analyses.

Legal and Commercial Implications

  • Enforceability: The breadth of claims affects enforcement. Narrow claims may be easier to defend but less commercially valuable.
  • Litigation Risks: Overly broad claims may face invalidation challenges, while competitors might design around specific claims.
  • Licensing and Market Access: Effective patent positioning can facilitate licensing deals, partnerships, or market exclusivity.

Critical Assessment: The strategic value of the '618 Patent depends on the strength and breadth of its claims vis-à-vis current and future patents.


Comparative Patent Landscape

Analysis of related patents indicates a landscape characterized by incremental innovations, such as:

  • Modifications to chemical structures to improve pharmacokinetics.
  • Novel delivery systems (e.g., nanoparticle formulations).
  • Specific methods of synthesis to increase yield or reduce costs.

The '618 Patent's innovation appears to fit within this trend, potentially carved out by focusing on a specific chemical entity or process that offers a tangible improvement.


Challenges and Critical Considerations

  • Patent Validity: The patent’s claims must be resilient against challenges based on obviousness or anticipation.
  • Patent Term and Life Cycle: Considering filing dates and patent term adjustments, the patent's commercial lifespan must be evaluated.
  • Patent Landscape Dynamics: As new patents are filed, the '618 Patent could be rendered narrow or vulnerable—regular landscape monitoring is vital.

Conclusion

The '618 Patent delineates a focused innovation within a complex patent landscape, with claims tailored to secure exclusive rights over specific compounds or processes. While it holds strong potential for commercial deployment, its ultimate value rests on the validity, enforceability, and freedom to operate amid dense patent thickets. Stakeholders must conduct diligent analysis—especially of prior art and overlapping patents—to leverage the patent’s strategic advantages fully.


Key Takeaways

  • The scope and language of claims critically influence the patent’s strength and defensibility.
  • The patent landscape in this domain is densely populated; comprehensive freedom-to-operate analysis is necessary.
  • Strategic patent positioning, including global patent families and narrow claim focus, can mitigate risks.
  • Regular monitoring of related patent filings and legal challenges ensures sustained protection.
  • Robust complementary strategies, such as data exclusivity and regulatory data protection, augment patent strength.

FAQs

1. How does the scope of the '618 Patent’s claims affect its enforceability?
A broader scope grants wider protection but increases vulnerability to invalidation if prior art is found. Narrow claims are easier to defend but may limit commercial exclusivity.

2. What are the main challenges in defending the '618 Patent?
Potential challenges stem from prior art, obviousness, or lack of novelty. Patent reexamination procedures can be initiated by competitors, and independent invalidity arguments may arise.

3. How can competitors design around the '618 Patent?
By altering chemical structures, using different synthesis methods, or employing alternative delivery systems that do not infringe on the specific claims.

4. What strategies can patent holders employ to strengthen their position?
Filing related patent families internationally, securing multiple claims on different embodiments, and maintaining updates amidst evolving prior art.

5. Why is regular patent landscape analysis essential in this context?
It helps identify new filings that could threaten patent validity or exclusivity, informs licensing opportunities, and guides strategic R&D investments.


References:

[1] U.S. Patent No. 9,085,618 — Patent document.
[2] Relevant prior art publications and patent filings (specific patents and publications would be cited here).
[3] Patent landscape reports and legal analyses from industry sources.

More… ↓

⤷  Get Started Free

Details for Patent 9,085,618

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Abbvie Inc. HUMIRA adalimumab Injection 125057 December 31, 2002 9,085,618 2033-11-12
Abbvie Inc. HUMIRA adalimumab Injection 125057 February 21, 2008 9,085,618 2033-11-12
Abbvie Inc. HUMIRA adalimumab Injection 125057 April 24, 2013 9,085,618 2033-11-12
Abbvie Inc. HUMIRA adalimumab Injection 125057 September 23, 2014 9,085,618 2033-11-12
Abbvie Inc. HUMIRA adalimumab Injection 125057 November 23, 2015 9,085,618 2033-11-12
Abbvie Inc. HUMIRA adalimumab Injection 125057 March 09, 2016 9,085,618 2033-11-12
Abbvie Inc. HUMIRA adalimumab Injection 125057 October 17, 2016 9,085,618 2033-11-12
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

International Patent Family for US Patent 9,085,618

Country Patent Number Estimated Expiration
United States of America 9522953 ⤷  Get Started Free
United States of America 9315574 ⤷  Get Started Free
United States of America 9266949 ⤷  Get Started Free
United States of America 9200070 ⤷  Get Started Free
United States of America 9200069 ⤷  Get Started Free
United States of America 2017158758 ⤷  Get Started Free
United States of America 2016194390 ⤷  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.