California · Tepezza use and a claim for hearing loss
Tepezza use and a claim for hearing loss in California
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| Filing deadline | 2 years from discovery of Tepezza-related hearing injuryCivil Procedure § 335.1 |
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Deadlines vary with the facts of each case. A lawyer can confirm yours.
Updated
01 · Your filing deadline
What is the deadline in California?
California Code of Civil Procedure § 335.1 provides a 2-year statute of limitations for personal injury claims including pharmaceutical product liability. The discovery rule applies — the limitations period begins when the plaintiff discovers or reasonably should have discovered the injury and its connection to Tepezza. California does not have a statute of repose for product liability, allowing claims based on late-discovered hearing damage. A lawyer can confirm yours.
Source: Civil Procedure § 335.1
Deadlines vary; a lawyer can confirm yours. An older diagnosis or a past filing window does not, by itself, establish whether you have a claim.

02 · Where cases are heard
Where would my case be heard?
California has a substantial population of Tepezza patients treated by the state's large network of endocrinologists and ophthalmologists. California's 2-year statute of limitations under CCP § 335.1 applies to pharmaceutical injury claims, with the discovery rule tolling the clock until the patient learned or should have learned that Tepezza caused their hearing loss. All federal cases from California are consolidated in the MDL in the Northern District of Illinois. California has no statute of repose for product liability claims, making it one of the most plaintiff-favorable states for late-discovered hearing damage claims.
Federal Tepezza cases filed in California are transferred to the MDL in the Northern District of Illinois (MDL No. 3079). California state court claims may proceed independently in Los Angeles, San Francisco, or San Diego Superior Courts. California applies the Kelly/Frye standard for expert admissibility rather than the federal Daubert standard, which can affect causation testimony in state court proceedings. California's plaintiff-friendly discovery rule and lack of a product liability statute of repose make it a favorable venue for hearing damage claims.
How this works nationally
For the overall process and updates, read the Tepezza use and a claim for hearing loss overview. This page covers the local information available for California.
What happens when I check?
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- Civil Procedure § 335.1