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Last Updated: April 27, 2025

Litigation Details for Bayer HealthCare LLC v. Mylan Pharmaceuticals Inc. (D. Del. 2015)


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Small Molecule Drugs cited in Bayer HealthCare LLC v. Mylan Pharmaceuticals Inc.
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Details for Bayer HealthCare LLC v. Mylan Pharmaceuticals Inc. (D. Del. 2015)

Date Filed Document No. Description Snippet Link To Document
2015-01-30 4 the Commissioner of Patents and Trademarks for Patent/Trademark Number(s) 8,618,141 B2; 8,877,933 B2;. … 30 January 2015 1:15-cv-00114-LPS Patent None District Court, D. Delaware External link to document
2015-01-30 56 8,618,141, 8,877,933, 7,897,623, 7,235,576, 7,351,834, and 8,841,330 filed by Bayer HealthCare LLC, Bayer…Asserted Patents and Accused Products; and (2) Patent File Histories of United States Patent Nos. 8,618,141… 30 January 2015 1:15-cv-00114-LPS Patent None District Court, D. Delaware External link to document
>Date Filed >Document No. >Description >Snippet >Link To Document

Bayer HealthCare LLC v. Mylan Pharmaceuticals Inc.: A Comprehensive Litigation Summary and Analysis

Nature of the Action

The lawsuit Bayer HealthCare LLC v. Mylan Pharmaceuticals Inc., filed in the United States District Court for the District of Delaware (Case No. 1:15-cv-01162-UNA), is an action for patent infringement under the patent laws of the United States, specifically Title 35 of the United States Code[4].

Background

Bayer HealthCare LLC, Bayer HealthCare Pharmaceuticals Inc., and Onyx Pharmaceuticals, Inc. (collectively referred to as "Bayer") filed a complaint against Mylan Pharmaceuticals Inc. and Mylan Inc. (collectively referred to as "Mylan"). The dispute arises from Mylan's filing of an Abbreviated New Drug Application (ANDA) with the FDA, seeking approval to market a generic version of a drug that Bayer claims infringes on several of its patents.

Patents in Question

The complaint alleges that Mylan's ANDA product infringes on several Bayer patents, including the '623, '576, '834, '933, and '330 patents. These patents are related to the formulation and use of the drug in question, which is likely rivaroxaban, given the context of similar cases involving Bayer and Mylan[1][4].

Jurisdiction and Venue

Bayer argued that the court has personal jurisdiction over Mylan because Mylan has filed an ANDA for the purpose of seeking approval to engage in the commercial manufacture, use, offer for sale, sale, and/or importation of the generic drug in the United States, including in Delaware. Bayer also claimed that Mylan will market, distribute, offer for sale, and/or sell the generic product in Delaware upon FDA approval, thereby deriving substantial revenue from its use or consumption in the state[4].

Mylan's Actions and Certifications

Mylan filed an ANDA with the FDA, which included certifications under Paragraph IV of the Hatch-Waxman Act. This certification asserts that the patents listed in the Orange Book for the brand-name drug are invalid, unenforceable, or will not be infringed by Mylan's generic version. Bayer received Mylan's Paragraph IV notice and had 45 days to file a patent infringement lawsuit against Mylan. Failure to do so within this timeframe can lead to the FDA approving Mylan's ANDA, subject to other regulatory hurdles[1][4].

Bayer's Response and Litigation Strategy

Bayer responded to Mylan's Paragraph IV notice by filing a patent infringement lawsuit within the 45-day window. This lawsuit aimed to prevent the FDA from approving Mylan's ANDA until the patent issues were resolved. Bayer alleged that Mylan's actions constituted patent infringement and sought to enjoin Mylan from manufacturing, using, offering for sale, selling, and/or importing the generic drug in the United States[4].

Key Issues and Arguments

  1. Patent Infringement:

    • Bayer argued that Mylan's ANDA product would infringe on its patents, causing foreseeable harm and injury to Bayer.
    • Mylan likely argued that the patents are invalid, unenforceable, or not infringed by their generic product[4].
  2. Jurisdiction and Venue:

    • The court had to determine whether it had personal jurisdiction over Mylan based on Mylan's planned activities in Delaware.
    • Similar cases have highlighted the importance of venue in patent infringement suits, with courts strictly interpreting venue statutes[3][4].
  3. Hatch-Waxman Act Provisions:

    • The case involved interpretations of the Hatch-Waxman Act, particularly the provisions related to Paragraph IV certifications and the timing of patent infringement lawsuits.
    • Mylan's certifications and Bayer's response were critical in determining the jurisdiction and the course of the litigation[1][4].

Court Rulings and Outcomes

While the specific outcome of this case is not detailed in the provided sources, similar cases offer insights into how such disputes are typically resolved:

  • Subject Matter Jurisdiction: Courts have consistently held that a covenant not to sue does not divest the court of subject matter jurisdiction in Hatch-Waxman cases. This means that even if Bayer covenanted not to sue Mylan, the court could still hear Mylan's declaratory judgment action to determine non-infringement[1].

  • Venue: The venue for patent infringement suits is strictly governed by statute. Courts have dismissed cases for improper venue if the defendant's acts of infringement did not occur in the judicial district where the suit was filed[3].

  • Patent Expiry and Pediatric Exclusivity: In cases where patents are nearing expiry or have pediatric exclusivity periods, courts consider whether these factors impact the jurisdictional assertions and the immediate impact on market entry[1].

Implications and Takeaways

  • Patent Litigation Strategy: The case highlights the strategic importance of timely filing patent infringement lawsuits in response to Paragraph IV certifications. Failure to do so within the 45-day window can significantly weaken the patent holder's position.

  • Jurisdiction and Venue: The strict interpretation of venue statutes in patent cases underscores the need for careful consideration of where to file such lawsuits.

  • Hatch-Waxman Act Compliance: Compliance with the Hatch-Waxman Act's provisions, particularly regarding Paragraph IV certifications and the timing of lawsuits, is crucial for both generic and brand-name drug manufacturers.

Key Takeaways

  • Timely Response to Paragraph IV Certifications: Patent holders must respond promptly to Paragraph IV certifications to maintain their rights.
  • Venue Considerations: The choice of venue in patent infringement suits is critical and must be based on strict statutory interpretations.
  • Hatch-Waxman Act Provisions: Understanding and complying with the Hatch-Waxman Act's provisions is essential for navigating patent disputes in the pharmaceutical industry.

Frequently Asked Questions (FAQs)

Q: What is the significance of the 45-day window in the Hatch-Waxman Act? A: The 45-day window is the timeframe within which the patent holder must file a patent infringement lawsuit in response to a Paragraph IV certification. Failure to do so can lead to the FDA approving the generic drug.

Q: How does a covenant not to sue affect subject matter jurisdiction in Hatch-Waxman cases? A: A covenant not to sue does not divest the court of subject matter jurisdiction. The court can still hear declaratory judgment actions to determine non-infringement.

Q: What role does venue play in patent infringement suits? A: Venue is strictly governed by statute, and courts have dismissed cases for improper venue if the defendant's acts of infringement did not occur in the judicial district where the suit was filed.

Q: How do pediatric exclusivity periods impact patent litigation? A: Pediatric exclusivity periods can delay FDA approval of generic drugs. However, courts consider whether these periods impact the jurisdictional assertions and the immediate impact on market entry.

Q: What are the implications of the Hatch-Waxman Act for generic drug manufacturers? A: The Hatch-Waxman Act provides a framework for generic drug manufacturers to challenge brand-name drug patents through Paragraph IV certifications, but it also requires careful compliance with its provisions to avoid legal hurdles.

Cited Sources

  1. Mylan Pharms. Inc. v. Bayer Intellectual Property GmbH: This case provides insights into the Hatch-Waxman Act's provisions and the implications of Paragraph IV certifications and covenants not to sue[1].
  2. Allergan's Improper Submission to the FDA: While not directly related, this case highlights the importance of regulatory compliance in pharmaceutical litigation[2].
  3. Valeant Pharmaceuticals v. Mylan: This case discusses the venue considerations in patent infringement suits, which is relevant to the Bayer v. Mylan case[3].
  4. Bayer HealthCare LLC v. Mylan Pharmaceuticals Inc.: The primary source detailing the nature of the action and key issues in the litigation[4].

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