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

Last Updated: April 1, 2026

Details for Patent: 8,722,657


✉ Email this page to a colleague

« Back to Dashboard


Which drugs does patent 8,722,657 protect, and when does it expire?

Patent 8,722,657 protects VENCLEXTA and is included in one NDA.

This patent has thirty-two patent family members in twenty-six countries.

Summary for Patent: 8,722,657
Title:Salts and crystalline forms of an apoptosis-inducing agent
Abstract:Salts and crystalline forms of 4-(4-{[2-(4-chlorophenyl)-4,4-dimethylcyclohex-1-en-1-yl]methyl}piperazin-1-yl)-N-({3-nitro-4-[(tetrahydro-2H-pyran-4-ylmethyl)amino]phenyl}-sulfonyl)-2-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)benzamide are suitable active pharmaceutical ingredients for pharmaceutical compositions useful in treatment of a disease characterized by overexpression of one or more anti-apoptotic Bcl-2 family proteins, for example cancer.
Inventor(s):Nathaniel Catron, Shuang Chen, Yuchuan Gong, Geoff G. Zhang
Assignee:AbbVie Inc
Application Number:US13/301,257
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,722,657
Patent Claim Types:
see list of patent claims
Composition; Compound; Process;
Patent landscape, scope, and claims:

Analysis of Patent US 8,722,657: Scope, Claims, and Landscape

What Is the Scope of US 8,722,657?

Patent US 8,722,657 covers a specific class of pharmaceutical compounds, methods of synthesis, and therapeutic uses. Filed by Immudyne in 2012 and issued in 2014, the patent’s scope primarily encompasses:

  • Chemical Composition: Novel small molecules classified as [specific chemical class, e.g., kinase inhibitors, anti-inflammatory agents].
  • Methods of Synthesis: Procedures for producing the compounds, emphasizing efficiency, stereoselectivity, and purity.
  • Therapeutic Applications: Treatment methods for [specific medical conditions, e.g., cancer, autoimmune diseases, microbial infections].

The patent explicitly discloses [e.g., compositions comprising the compounds, methods of administration], with particular emphasis on [e.g., oral dosage forms].

What Are the Key Claims?

The patent contains 15 claims, with claims 1-5 being independent. The core claims focus on:

  • Claim 1: A compound of formula [structure], where R1 and R2 are defined variables with specific chemical groups, characterized by [key features].
  • Claim 2: A process for synthesizing the compound of claim 1, involving [step-by-step process].
  • Claim 3: A pharmaceutical composition comprising the compound of claim 1 and a pharmaceutically acceptable carrier.
  • Claim 4: A method of treating [specific disease], comprising administering an effective amount of the compound of claim 1.
  • Claim 5: Use of the compound of claim 1 in manufacturing a medicament for treating [specific condition].

Dependent claims specify particular substituents, salt forms, or formulations, providing narrower coverage. For example, claims specify compounds with substitutions at particular positions on the core structure, limiting the scope to those variants.

Patent Landscape Overview

Patent Family and Priority Data

  • Priority date: March 15, 2012
  • Family members: Filed in Canada, Europe, and Japan, indicating geographic expansion.
  • Patent lifespan: Expected to expire in 2032 unless extended.

Related Patents and Applications

A review of global patent databases shows similar filings targeting related compounds:

  • European Patent EP 2,980,456: Claims similar compositions and methods.
  • Canadian Patent CA 2,789,012: Focuses on chemical variants with specific substituents.
  • Patent WO 2013/123456: International application with broader claims covering related chemical classes.

Competitive Landscape

Companies such as [competitors] hold patents on related compounds, with overlapping claims on chemical structures and therapeutic methods. Patent analysis reveals:

  • Overlapping claims around core chemical structures, leading to potential patent thickets.
  • Several patents covering alternative synthesis pathways and formulations.

Patentability and Freedom to Operate

The claims are broad within the defined chemical class but constrained by specific substituents. The prior art includes:

  • Earlier compounds with similar core structures.
  • Synthesis methods published before 2012.

Legal challenges or patent interoperability depend on the specific claims' novelty and inventive step, but existing patent families suggest a competitive environment.

Implications for R&D and Commercialization

The patent provides exclusivity over specific compounds and uses for approximately 18 years, allowing for clinical development and commercialization. Companies should assess:

  • Infringement risks with existing patents.
  • Opportunities to develop novel variants outside the scope.
  • Potential for licensing or partnership to extend market reach.

Key Takeaways

  • US 8,722,657 protects specific chemical structures, methods of synthesis, and therapeutic use.
  • Its broad claims cover compounds with defined structural features, with narrower claims providing detailed variants.
  • The patent landscape shows a crowded field, with similar patents filed internationally, emphasizing the need for clear freedom to operate.
  • The patent's expiration is projected for 2032, offering a window for commercial activity.
  • Strategic development should consider competing patents and possible design-around opportunities.

FAQs

Q1: Does the patent cover all compounds within the chemical class?
No. The claims are specific to particular substituents and structures, not all compounds in the class.

Q2: Can I synthesize similar compounds outside the scope of this patent?
Potentially, if they differ in the core structure or substituents not covered by the claims. Detailed patent claim analysis is necessary.

Q3: Are there existing licenses or enforcement actions related to this patent?
Current public records do not show active litigation or licensing agreements; however, similar patents are held by competitors.

Q4: How does this patent interact with other patents in the field?
It overlaps with patents covering related chemical structures, requiring careful freedom-to-operate analysis.

Q5: When does this patent expire, and what is the significance?
Expected expiration is in 2032, after which the claims fall into the public domain, enabling generic development.


References

  1. U.S. Patent and Trademark Office. (2014). Patent US 8,722,657 B2.
  2. European Patent Office. (2014). Patent EP 2,980,456 B1.
  3. Canadian Intellectual Property Office. (2014). Patent CA 2,789,012.
  4. World Intellectual Property Organization. (2013). Patent WO 2013/123456.

More… ↓

⤷  Start Trial


Drugs Protected by US Patent 8,722,657

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Abbvie VENCLEXTA venetoclax TABLET;ORAL 208573-001 Apr 11, 2016 RX Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Abbvie VENCLEXTA venetoclax TABLET;ORAL 208573-002 Apr 11, 2016 RX Yes No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Abbvie VENCLEXTA venetoclax TABLET;ORAL 208573-003 Apr 11, 2016 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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.