State litigation guide · Ohio

Tepezza Hearing Loss Lawsuit in Ohio

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Statute of limitations — Ohio

Ohio Revised Code § 2305.10 provides a 2-year statute of limitations for product liability claims. The discovery rule applies for bodily injuries caused by ethical drugs and ethical medical devices — the clock begins when the plaintiff discovers or should have discovered the injury and its causal connection to Tepezza. Ohio has a 10-year statute of repose for product liability, but this is not yet a factor for Tepezza cases given the drug's 2020 approval.

2 years from discovery of Tepezza-related hearing injury

Filing venue

Where to File in Ohio

Federal Tepezza cases from Ohio are transferred to the MDL in the Northern District of Illinois (MDL No. 3079). Ohio state court claims may proceed in Cuyahoga County (Cleveland), Franklin County (Columbus), or Hamilton County (Cincinnati) courts of common pleas. Ohio specifically applies the discovery rule to injuries from ethical drugs under § 2305.10, which is favorable for Tepezza claimants who may not have connected hearing loss to the medication until post-market research emerged.

Ohio data

Exposure in Ohio

Ohio population — seventh-largest state with multiple academic medical centers prescribing Tepezza including Cleveland Clinic and Ohio State Wexner

11.8 million

Source: U.S. Census Bureau 2024

Total Tepezza hearing loss cases filed in the MDL as of January 2026, including cases originating from Ohio

282

Source: JPML MDL Statistics

Tepezza FDA approval date — the first and only approved medication for thyroid eye disease, with initial label containing insufficient hearing warnings

January 2020

Source: FDA drug approval records

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