Clarkson Law Firm filed a lawsuit against The Cooper Cos., headquartered in Connecticut and California, over allegations that contaminated embryo culture media were used in in vitro fertilization clinics, leading to nonviable embryos.

The plaintiffs, known as A.B. and C.D. in the complaint, brought the action in California Superior Court against Connecticut business CooperSurgical Inc., California business The Cooper Cos. Inc., and Does 1-50, a placeholder for additional named defendants once further discovery has taken place.