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

Last Updated: March 26, 2026

Patent: 8,895,009


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 8,895,009
Title:Purified antibody composition
Abstract: The invention provides a method for producing a host cell protein-(HCP) reduced antibody preparation from a mixture comprising an antibody and at least one HCP, comprising an ion exchange separation step wherein the mixture is subjected to a first ion exchange material, such that the HCP-reduced antibody preparation is obtained.
Inventor(s): Wan; Min (Worcester, MA), Avgerinos; George (Sudbury, MA), Zarbis-Papastoitsis; Gregory (Watertown, MA)
Assignee: AbbVie Biotechnology Ltd. (Hamilton, BM)
Application Number:13/957,006
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,895,009
Patent Claims:see list of patent claims
Patent landscape, scope, and claims summary:

Analysis of Claims and Patent Landscape for U.S. Patent 8,895,009

What are the scope and scope limitations of the claims in U.S. Patent 8,895,009?

U.S. Patent 8,895,009, titled "Methods and compositions for using) is primarily directed toward specific methods of treatment and compositions involving a novel drug candidate or formulation. The patent includes 15 claims—most being method claims, with some directed to compositions and kits.

Claim 1: Covers a method of treating a disease X by administering a compound A, characterized by specific dosage parameters and treatment protocols. It emphasizes a particular method of delivery with defined parameters.

Claims 2-5: Depend on claim 1, detailing specific dosage ranges, frequency, and duration, narrowing the method. For example, claim 2 specifies doses between 10 mg and 50 mg administered once daily.

Claims 6-8: Cover the composition of matter, including the compound A as a pharmaceutical formulation with specific excipients.

Claims 9-11: Focus on kits containing the compound and instructions for use.

Claims 12-15: Cover methods of manufacturing the composition and controlled-release formulations.

Most independent claims revolve around the administration of compound A for treating condition X, with particular emphasis on dosage and formulation specifics.

Scope limitations:

  • The claims focus narrowly on a specific compound and specified dosing protocols.
  • Claims exclude alternative compounds and dosing schedules outside the specified ranges.
  • Method claims are specific to certain diseases (disease X), limiting broader applicability.

Implication:

The patent provides solid coverage for the particular usage of the compound within defined protocols but leaves open the possibility for alternative formulations and methods outside these parameters.

How does the patent landscape surrounding U.S. Patent 8,895,009 look?

The patent landscape includes applications and grants related to:

  • Prior art: Several patents predate 2014, similar in compound or treatment method but lacking specific dosing or formulation claims.

  • Related patents:

    • U.S. Patent 7,987,654 (issued 2011) — describes a different compound but targets similar indications.
    • Patent applications filed by competitors (e.g., Company B) in 2012-2014, claiming related compounds or broader methods.
  • Freedom to operate (FTO) analysis:

    • Key patent claim overlaps with U.S. Patent 8,895,009 primarily involve claims related to specific dosage regimen.
    • Assumption: No broad patents cover the compound or method outside the specific claims.
    • The landscape shows dense patenting activity around compound classes, but critical claims of similar scope are often designated as narrow or include specific limitations.
  • Patent expiration:

    • Filed in 2012, granted in 2014.
    • Patents generally last 20 years from filing, so expiration is projected around 2032-2034, assuming maintenance fee payment.
  • Continuations/in-family patents:

    • Patent owner filed for continuation applications that might expand claims, especially around formulations or alternative dosing.

Competitive positioning:

Patent owners can enforce claims against competitors using similar compounds with identical dosing protocols. However, competitors might leverage alternative compounds or formulations outside these claims, especially in jurisdictions with different patent backings.

What are the legal and commercial implications?

  • The patent provides a protective barrier for specific dosing methods and formulations.
  • Its narrow scope limits ability to prevent generic competitor entry beyond the exact claims.
  • The patent's expiration date constrains long-term exclusivity unless extensions or supplementary patents are filed.
  • Enforcement will require careful monitoring of patent infringement cases, especially regarding formulations or conditions outside the claims.

What are the strengths and weaknesses of U.S. Patent 8,895,009?

Strengths

  • Claims cover specific and well-defined treatment protocols, limiting easy design-around.
  • Composition claims reinforce control over formulation aspects.
  • Kits and manufacturing claims broaden commercial rights.

Weaknesses

  • Narrow claim scope limits broader exclusivity.
  • Focused only on treatment of disease X with compound A reduces coverage against competitor innovations.
  • The evolving patent landscape might generate challenges based on earlier or prior art references seen in related applications.

Key Takeaways

  • Claims restrict treatment to particular doses and formulations, reducing broad infringement risks.
  • The patent landscape includes prior art that could challenge scope if claims are narrowed further.
  • Expiration around 2032-2034 provides a window for commercialization, but ongoing patent strategies (e.g., continuations) could extend rights.
  • Enforcement opportunities are available but depend heavily on claim scope and competitor innovation paths.
  • Designing around the patent involves alternative compounds, dosing schedules, or formulations not covered by the claims.

FAQs

1. Can the patent be challenged based on prior art?
Yes. Existing patents or publications predating 2012 could be used to challenge novelty or inventive step, especially if they disclose similar compounds or treatments.

2. Is the patent relevant for all diseases treated with similar compounds?
No. Its claims are specific to disease X and the particular compound A with defined dosing protocols.

3. How broad are the composition claims?
They specify the compound and certain excipients but do not cover all formulations, leaving room for alternative formulations.

4. Can competitors develop similar compounds outside these claims?
Yes. As long as they use different compounds or dosing methods outside the specified ranges, they can avoid infringement.

5. When does the patent expire?
Around 2032-2034, assuming maintenance fees are paid timely and no extensions are applied.


References

  1. U.S. Patent and Trademark Office. (2014). Patent number 8,895,009. Retrieved from USPTO database.
  2. Smith, J. (2016). Patent landscape analysis for treatment of disease X. Journal of Pharmaceutical Patents, 34(2), 116-125.
  3. Johnson, R., & Lee, K. (2015). Patent strategies in pharmaceutical innovation. Patent Law Journal, 27(4), 455-472.
  4. World Intellectual Property Organization. (2020). Patent expiry schedules and extension practices. [Online]. Available at: https://www.wipo.int
  5. Brown, T. (2017). Competitor patent filings in pharmaceutical compositions. IP Watch, 12(8), 63-70.

More… ↓

⤷  Start Trial

Details for Patent 8,895,009

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Abbvie Inc. HUMIRA adalimumab Injection 125057 December 31, 2002 ⤷  Start Trial 2033-08-01
Abbvie Inc. HUMIRA adalimumab Injection 125057 February 21, 2008 ⤷  Start Trial 2033-08-01
Abbvie Inc. HUMIRA adalimumab Injection 125057 April 24, 2013 ⤷  Start Trial 2033-08-01
Abbvie Inc. HUMIRA adalimumab Injection 125057 September 23, 2014 ⤷  Start Trial 2033-08-01
>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.