Corelle Brands LLC and Corelle Brands Holdings Inc. have been hit with a Pyrex class action lawsuit alleging they switched the type of glass used to make its cookware products to one that is prone to shattering.

According to the Pyrex class action lawsuit, Pyrex glassware that is manufactured from partially tempered soda lime silicate glass is prone to shattering when exposed to temperature changes that reasonable consumers expect it to withstand based on the product’s history and the manufacturers’ representations about its durability.

Since 1919, Pyrex-brand glassware was advertised to consumers as “oven to ice-box” or “ice-box to oven” cookware because of its ability to withstand extreme temperature changes.

Pyrex was originally made of borosilicate glass, which can withstand a temperature differential of 333 degrees, the Pyrex class action lawsuit says. Starting around 1998, Corelle reportedly began manufacturing Pyrex glassware from tempered soda lime silicate glass instead of borosilicate glass.

“Consumers turn to Pyrex Glassware because of its reputation for sturdiness and versatility in the kitchen,” the Pyrex class action lawsuit states. “However, when partially heat-tempered soda lime Pyrex Glassware is exposed to a sudden change of temperature of approximately 99 degrees, it is susceptible to fracturing, breaking, shattering, or exploding.”

Such temperature fluctuations can occur during the baking process or simply by placing a hot Pyrex glassware item on a room temperature surface.

Plaintiffs Tricia Fullerton, Karyn Slepian, Claribel Grau and Jan Simon all claim that their Pyrex glassware shattered suddenly while they were using the glassware as it was intended to be used.

Corelle knew or should have known that cookware made with partially tempered soda lime silicate would be prone to shattering when exposed to temperature changes, yet the company continued to market, advertise and sell cookware under the Pyrex name, the plaintiffs allege.

They point to several Pyrex lawsuits that have been filed since 2005 by plaintiffs who suffered severe injuries after their Pyrex dishes broke. They also note that numerous complaints about shattering Pyrex glassware have been reported to the Consumer Product Safety Commission and are posted online.

The Pyrex class action lawsuit claims that Corelle failed to warn consumers that it changed the formulation of its Pyrex glassware and that it failed to recall the defective products even though it was aware that the product was prone to shattering and causing injuries.

The plaintiffs claim that they would not have purchased the Pyrex glassware, or would have paid significantly less for the product, if they had known that it was made with soda lime silicate glass that could not withstand temperature fluctuations.

The Pyrex class action lawsuit was filed on behalf of the plaintiffs and a proposed Class of consumers in the United States who purchased or own Pyrex glassware manufactured from soda lime silicate glass. The plaintiffs also seek to represent Classes of consumers in New York, Florida and Michigan.

The plaintiffs are represented by Gregory F. Coleman, Adam A. Edwards and Mark E. Silvey of Greg Coleman Law PC; Edward A. Wallace of Wexler Wallace LLP; Paul C. Peel of Farris Bobango PLC; and by Daniel K. Bryson and Patrick M. Wallace of Whitfield Bryson & Mason LLP.

The Shattering Pyrex Glassware Class Action Lawsuit is Tricia Fullerton, et al. v. Corelle Brands LLC, Case No. 1:18-cv-04152, in the U.S. District Court for the Northern District of Illinois.

UPDATE: On Nov. 7, 2018, consumers are fighting back against Corelle’s motion to dismiss the Pyrex shattering glass class action lawsuit. 

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  • RANDALL W JONES January 24, 2020

    I’ve been waiting to hear something about this! I left my information months ago and I had to use the search box to see this! I want in on this lawsuit!! I’ve had 3 or 4 of those crappy Pyrex plates explode! one shattered and left glass all in my microwave, another did shatter in the oven and the others where on the countertop. I bought a new microwave because I couldn’t get all the glass out of it. I still step on glass sometimes in the kitchen just walking through barefooted! Angry, angry, angry!!

  • Jinsong Zhang January 20, 2020

    I was heating up my food from refrigerator in microwave for a minute and the small Pyrex container shattered after about 40 seconds. I bought the Pyrex cookware at the end of 2019. How can I join this lawsuit?

  • W. December 2, 2019

    Corelle dish was just dropped short distance from floor and exploded. Shattering is not an adequate description. Combination of rapier razor sharp pointed shards and minute fragments projected across several rooms. Not the first time.
    Dishes could never be adequately

  • Danniela October 3, 2019

    While taking my Pyrex out the oven it exploded in my hands. I did not reach the counter. I was still holding the pot holder. All the food spilled on the floor. I went to clean up the glass when my daughter pointed out my leg was cut. The cut exposed my white meat. I applied pressure to stop the bleeding and rushed to the hospital. Upon X-ray it was discovered I had piece of glass still logged in my leg. Technician removed the glass. I currently have 7 stitches. Is this lawsuit still open?

  • Terri Julian September 25, 2019

    I just contacted this company last week after the 7 x 11 glass pan that I was cooking in exploded when I removed it from the oven. After a barrage of questions and me having to send them pictures, they offered to send me a replacement piece of the same or similar and a $25.00 credit on an item from the catalog. I want in on this lawsuit!

  • Nina Kilbride Sheehan September 9, 2019

    I tossed out my glass pyrex because they didn’t send up to use for the oven (cracked in oven once and another time putting it on the ceramic trivet I had).

    • Nina Kilbride Sheehan September 9, 2019

      didn’t *stand* up to oven use…….autocorrect

  • Charles Kunkle August 19, 2019

    Wound up in ER due to two lacerations on my thumbs

    • Nina Kilbride Sheehan September 9, 2019

      I tossed out my glass pyrex because they didn’t stand up to use in the oven (cracked in oven once and another time putting it on the ceramic trivet I had).

      Corrected my previous comment

  • Amy Rieders August 9, 2019

    Is it too late to join the class action? My Pyrex shattered coming out of the refrigerator causing great bodily injury

  • Jane farley July 27, 2019

    Had my Pyrex dish shatter as I set it on top on cabinet on a potholder

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