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Last Updated: April 9, 2025

Litigation Details for Cubist Pharmaceuticals LLC v. Actavis LLC (D. Del. 2015)


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Details for Cubist Pharmaceuticals LLC v. Actavis LLC (D. Del. 2015)

Date FiledDocument No.DescriptionSnippetLink To Document
2015-12-29 External link to document
2015-12-28 4 the Commissioner of Patents and Trademarks for Patent/Trademark Numbers: 6,468,967 B1; 6,852,689 B2; 8,058,238… 2015 6 June 2016 1:15-cv-01214 830 Patent None District Court, D. Delaware External link to document
2015-12-28 10 the Commissioner of Patents and Trademarks for Patent/Trademark Number(s) 6,468,967 B1; 6,852,689 B2; 8,058,238… 2015 6 June 2016 1:15-cv-01214 830 Patent None District Court, D. Delaware External link to document
>Date Filed>Document No.>Description>Snippet>Link To Document
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Litigation Summary and Analysis for Cubist Pharmaceuticals LLC v. Actavis LLC

Introduction

The litigation between Cubist Pharmaceuticals LLC and Actavis LLC is a significant case in the pharmaceutical industry, involving patent infringement claims. Here, we will summarize and analyze the key points of this litigation.

Background of the Litigation

Cubist Pharmaceuticals LLC, a company known for its antibiotic products, including CUBICIN RF®, initiated a lawsuit against Actavis LLC (now part of Teva Pharmaceuticals) for patent infringement. The case, filed in the U.S. District Court, revolves around Actavis's attempt to market a generic version of Cubist's patented drug.

Patents in Dispute

The litigation centers on the infringement of several U.S. patents held by Cubist Pharmaceuticals, notably U.S. Patent No. 9,138,456 (the ’456 patent) and U.S. Patent No. 8,835,382 (the ’382 patent)[1][3].

Actavis's ANDA Submission

Actavis submitted an Abbreviated New Drug Application (ANDA) to the FDA, seeking approval to market a generic version of Cubist's CUBICIN RF®. This submission included a Paragraph IV certification, which asserted that the ’456 patent was "unenforceable, invalid, and/or not infringed"[1].

Jurisdiction and Venue

The court established personal jurisdiction over Actavis based on its continuous and systematic contacts with the state where the lawsuit was filed. For instance, in similar cases, courts have held that companies with significant business activities, including sales and marketing, within a state can be subject to personal jurisdiction there[1][3].

Subject Matter Jurisdiction

The court had subject matter jurisdiction over the dispute under the patent laws of the United States, specifically 35 U.S.C. §§ 100 et seq., and 28 U.S.C. §§ 1331, 1338(a), 2201, and 2202[1][3].

Claims of Infringement

Cubist alleged that Actavis's proposed generic product would infringe on the patents-in-suit. The complaint detailed how Actavis's ANDA submission and subsequent approval would lead to the commercial manufacture, use, sale, and importation of the generic product before the expiration of the patents[1][3].

Defendants' Arguments

Actavis likely argued that the patents were invalid, unenforceable, or not infringed, as indicated by their Paragraph IV certification. However, the specifics of their defense would depend on the details of the case, including any prior art, obviousness, or other validity challenges[1].

Legal Issues and Precedents

Cases involving patent infringement often involve complex legal issues such as obviousness, double patenting, and collateral estoppel. For example, in other patent cases, the Federal Circuit has addressed these issues, providing precedents that could influence the outcome of this litigation[2].

Potential Outcomes

The outcome of this litigation could have significant implications for both parties. If Cubist prevails, Actavis would be barred from marketing its generic product until the patents expire. Conversely, if Actavis succeeds in invalidating the patents or demonstrating non-infringement, it could enter the market sooner, potentially disrupting Cubist's market dominance[1][3].

Impact on the Pharmaceutical Industry

This case highlights the ongoing battles between brand-name pharmaceutical companies and generic manufacturers over patent rights. The outcome can influence the timing and cost of bringing generic drugs to market, affecting both the companies involved and the broader healthcare landscape.

Key Takeaways

  • Patent Infringement Claims: Cubist alleged that Actavis's ANDA submission infringed on its patents.
  • Jurisdiction and Venue: The court established personal and subject matter jurisdiction over Actavis.
  • Legal Issues: The case involves complex patent law issues, including validity and infringement.
  • Potential Outcomes: The outcome could significantly impact both companies and the pharmaceutical market.
  • Industry Impact: The case reflects the broader struggle between brand-name and generic drug manufacturers over patent rights.

FAQs

Q: What is the main issue in the Cubist Pharmaceuticals LLC v. Actavis LLC litigation?

A: The main issue is Cubist's allegation that Actavis's submission of an ANDA for a generic version of CUBICIN RF® infringes on Cubist's patents.

Q: What patents are involved in this litigation?

A: The patents involved are U.S. Patent No. 9,138,456 (the ’456 patent) and U.S. Patent No. 8,835,382 (the ’382 patent).

Q: Why did the court have personal jurisdiction over Actavis?

A: The court had personal jurisdiction due to Actavis's continuous and systematic contacts with the state, including sales and marketing activities.

Q: What is the significance of Actavis's Paragraph IV certification?

A: Actavis's Paragraph IV certification asserted that the patents-in-suit were "unenforceable, invalid, and/or not infringed," which is a common strategy in generic drug litigation.

Q: How could the outcome of this litigation affect the pharmaceutical industry?

A: The outcome could impact the timing and cost of bringing generic drugs to market, influencing both the companies involved and the broader healthcare landscape.

Cited Sources

  1. Cubist Pharmaceuticals LLC v. Amneal Pharmaceuticals LLC, Case 3:19-cv-15439-BRM-ZNQ, Document 31, Filed 10/25/19.
  2. Precedential Patent Case Decisions During May 2018, Neifeld IP Law.
  3. MERCK SHARP & DOHME CORP., CUBIST PHARMACEUTICALS LLC, OPTIMER PHARMACEUTICALS LLC, MSD INVESTMENT HOLDINGS (IRELAND), and MSD INTERNATIONAL GMBH, Plaintiffs, v. ACTAVIS LABORATORIES FL, INC., ACTAVIS PHARMA, INC., and TEVA PHARMACEUTICALS USA, INC., Defendants, Case 1:20-cv-20217-UU, Document 1, Entered on FLSD Docket 01/17/2020.

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