Court / venue
Ohio Northern District Court
4 tracked cases.
Court overview
Ohio Northern District Court: Patent Litigation Profile
Court Overview
The United States District Court for the Northern District of Ohio is a federal trial court within the Sixth Circuit. It has physical locations in Cleveland, Akron, Toledo, and Youngstown. The court handles a varied civil docket, including intellectual property disputes. While specific patent case filing statistics are not consistently published in major litigation reports, the Northern District of Ohio is not among the handful of districts, such as the Western District of Texas or the District of Delaware, that see the highest concentration of patent infringement lawsuits nationally. Its patent docket is therefore modest in size compared to those top-tier venues.
Patent Docket Reputation
The court has not established a reputation as a so-called "rocket docket" for patent cases, and there is no strong, data-backed consensus on whether it is a distinctly plaintiff- or defendant-friendly venue. The court's handling of patent litigation is structured and formalized through its comprehensive local patent rules, suggesting a focus on procedural regularity over rapid disposition. These rules aim to streamline litigation and provide a clear framework for case management. Data on the court's specific tendencies regarding transfer motions or claim construction rulings is not readily available in public reports. For the twelve-month period ending September 30, 2011, the median time from filing to a civil trial in the district was 20.1 months, though this statistic is not specific to patent cases.
Local Rules and Procedures
The Northern District of Ohio has adopted a detailed set of Local Patent Rules (L.P.R.) that govern the progression of patent infringement and declaratory judgment actions, which were last significantly revised on August 9, 2022. These rules are a distinguishing feature of the court's practice and are designed to promote early and thorough disclosure. Key provisions mandate a series of staged disclosures, including "Initial Infringement Contentions" from the patentee, "Initial Noninfringement Contentions" and "Invalidity and Unenforceability Contentions" from the accused infringer, and subsequent "Final Contentions" from each party following the court's claim construction ruling. The rules also set forth a structured process for claim construction proceedings, including the exchange of proposed terms and a joint pre-hearing statement.
Notable Cases and Judges
While the court has not been the venue for a large number of landmark patent rulings in recent years, it handles a steady stream of infringement litigation. One tracked case is Disintermedation Services Inc. v. The Progressive Corporation, filed in 2022. A notable earlier ruling came from Senior Judge Dan Aaron Polster, who in 2011 found the qui tam provision of the false patent marking statute unconstitutional, a significant issue at the time.
The court is led by Chief Judge Sara Lioi, who was appointed to the federal bench in 2007. Other prominent judges who may preside over patent cases include Senior Judge Dan Aaron Polster, a 1998 appointee known for his role in the national prescription opiate MDL, and Judge J. Philip Calabrese, who joined the court in 2020. Senior Judge James G. Carr, who joined the court in 1994, has also handled patent matters during his tenure.
Judges
No judge data recorded for the 4 cases in this court yet. Cases picked up via the patent-ingest cron sometimes land without a presiding judge; the field fills in when structured docket data arrives.
Cases (4)
- Disintermedation Services Inc. v. The Progressive Corporation2022-06-24· Unknown
- Earin AB v. Audio-Technica U.S., Inc.2025-07-23· Active
- Earin AB v. Audio-Technica U.S., Inc.2025-07-23· Active
- RARE BREED TRIGGERS, LLC et al. v. WIDE OPEN ENTERPRISES LLC et al.· Unknown