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Last Updated: April 11, 2025

Litigation Details for JANSSEN PRODUCTS, L.P. v. EVENUS PHARMACEUTICALS LABORATORIES INC. (D.N.J. 2020)


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Details for JANSSEN PRODUCTS, L.P. v. EVENUS PHARMACEUTICALS LABORATORIES INC. (D.N.J. 2020)

Date FiledDocument No.DescriptionSnippetLink To Document
2020-07-23 External link to document
2020-07-23 100 Modification of Scheduling Order for U.S. Patent No. 8,895,557. Signed by Magistrate Judge Zahid N. Quraishi… 14 November 2023 1:20-cv-09369 835 Patent - Abbreviated New Drug Application(ANDA) None External link to document
2020-07-23 123 Infringement Contentions for U.S. Patent Nos. 7,420,051 and 8,895,557 within one week from entry of this… 14 November 2023 1:20-cv-09369 835 Patent - Abbreviated New Drug Application(ANDA) None External link to document
2020-07-23 146 Amend Non-Infringement Contentions for U.S. Patent No. 8,895,557. Signed by Magistrate Judge Lois H. Goodman… 14 November 2023 1:20-cv-09369 835 Patent - Abbreviated New Drug Application(ANDA) None External link to document
>Date Filed>Document No.>Description>Snippet>Link To Document
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JANSSEN PRODUCTS, L.P. v. EVENUS PHARMACEUTICALS LABORATORIES INC.: A Comprehensive Litigation Summary and Analysis

Background and Procedural History

The litigation between Janssen Products, L.P. and Pharma Mar, S.A. (collectively, "Janssen") against eVenus Pharmaceuticals Laboratories Inc., Jiangsu Hengrui Medicine Co. Ltd., and other defendants (collectively, "eVenus-Jiangsu" and other related entities) is a complex and multifaceted case involving patent infringement, trade secret misappropriation, and other claims.

  • Initiation of the Action: On July 23, 2020, Janssen initiated this action against the eVenus-Jiangsu defendants and other related entities under the Drug Price Competition and Patent Term Restoration Act of 1984 (Hatch-Waxman Act)[1][2].
  • Patent Infringement Claims: The lawsuit primarily revolves around the alleged infringement of U.S. Patents No. 8,895,557 and No. 7,420,051 related to the cancer drug trabectedin, marketed by Janssen as Yondelis. The defendants, including eVenus and Natco Pharma Limited, were accused of preparing and submitting Abbreviated New Drug Applications (ANDAs) to the FDA for generic versions of Yondelis[2].

Claims and Allegations

Patent Infringement

  • Janssen alleged that the defendants' actions in filing ANDAs and preparing to commercially manufacture, use, or sell generic versions of Yondelis would cause injury to Janssen in New Jersey. The patents in question cover specific manufacturing processes and formulations of trabectedin[2].

Trade Secret Misappropriation

  • During discovery, Janssen discovered documents indicating that the defendants had misappropriated Janssen's trade secrets. Janssen alleged that the defendants had used proprietary information from Janssen's regulatory submissions for their own research, product development, and regulatory submissions[1][4].

Other Claims

  • Janssen also sought to assert claims for common law conversion and unfair competition against the eVenus-Jiangsu defendants. These claims were based on the discovery of Janssen's proprietary information in the defendants' possession, which was allegedly used without authorization[1].

Ex Parte Seizure Application Under DTSA

  • Application and Denial: Janssen filed an ex parte seizure application under the Defend Trade Secrets Act (DTSA) to seize the defendants' servers, stored data, and certain employees' laptops and cell phones. The District Court denied this application, finding that Janssen had not met the necessary requirements, including showing that the defendants were in actual possession of the property and that there was immediate and irreparable harm or concern for spoliation[3][4].

  • Appeal and Jurisdiction: Janssen appealed the denial of the ex parte seizure application, arguing that the denial was equivalent to the denial of a functional injunction and thus appealable. However, the Third Circuit Court of Appeals dismissed the appeal, ruling that DTSA ex parte seizure orders are not directed to parties and cannot be enforced by contempt, distinguishing them from Lanham Act ex parte seizure orders[3][4].

Motion to Amend Complaint

  • Application and Ruling: Janssen applied to amend the complaint to include new claims for trade secret misappropriation, conversion, and unfair competition. The court granted the application in part and denied it in part, considering the timing and the procedural history of the case. Janssen's application was made after the court's deadline for amending pleadings, but Janssen argued that the delay was unavoidable due to deficiencies in the discovery process[1].

Sealing of Confidential Information

  • Motion and Order: The defendants filed a motion to seal certain materials, including portions of a hearing transcript, to protect their confidential proprietary business information. The court granted the motion, allowing the sealing of specified portions of the transcript to prevent the disclosure of confidential information[5].

Key Issues and Implications

  • Trade Secret Protection: The case highlights the challenges in protecting trade secrets, especially in the context of litigation where discovery can reveal sensitive information. Janssen's efforts to secure an ex parte seizure under DTSA were thwarted by the court's strict interpretation of the requirements for such an order[3][4].

  • Patent Infringement and Generic Competition: The litigation underscores the ongoing battles between pharmaceutical companies and generic manufacturers over patent rights and market access. Janssen's actions aim to protect its significant investment in developing Yondelis and prevent generic competition before the patents expire[2].

  • Procedural Complexities: The case illustrates the complexities of amending complaints and the strict adherence to procedural deadlines. Janssen's late application to amend the complaint was partially granted, but the court's decision was influenced by the timing and the reasons for the delay[1].

Industry Impact

  • Pharmaceutical Industry: This litigation has significant implications for the pharmaceutical industry, particularly in the areas of patent protection, trade secret enforcement, and the strategies employed by both branded and generic drug manufacturers.

  • Legal Precedents: The rulings in this case, especially regarding the appealability of DTSA ex parte seizure orders, set important precedents for future trade secret litigation. Companies must carefully consider the legal framework and the potential outcomes when seeking such orders[3][4].

Key Takeaways

  • Trade Secret Misappropriation: The case emphasizes the importance of vigilance in protecting trade secrets, especially during litigation.
  • Patent Infringement: It highlights the ongoing legal battles between branded and generic pharmaceutical companies over patent rights.
  • Procedural Compliance: The importance of adhering to procedural deadlines and requirements in litigation is underscored.
  • Ex Parte Seizure Orders: The distinction between DTSA and Lanham Act ex parte seizure orders and their appealability is clarified.

Frequently Asked Questions (FAQs)

Q: What is the primary focus of the litigation between Janssen and eVenus Pharmaceuticals? A: The primary focus is on patent infringement and trade secret misappropriation related to the cancer drug trabectedin (Yondelis).

Q: Why did Janssen file an ex parte seizure application under DTSA? A: Janssen filed the application to seize the defendants' property to prevent the propagation or dissemination of allegedly misappropriated trade secrets.

Q: Why was Janssen's ex parte seizure application denied? A: The application was denied because Janssen failed to meet the necessary requirements, including showing actual possession of the property and immediate and irreparable harm.

Q: Can DTSA ex parte seizure orders be appealed immediately? A: No, according to the Third Circuit Court of Appeals, DTSA ex parte seizure orders are not immediately appealable as they do not meet the criteria for functional injunctions.

Q: What was the outcome of Janssen's motion to amend the complaint? A: The court granted the motion in part and denied it in part, considering the timing and procedural history of the case.

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