I found this webpage with lots of useful information about Orth Evra birth-control patches - http://www.birthcontrolpatchsideeffects.com/
Johnson & Johnson has spent at least $68.7 million to settle hundreds of lawsuits filed by women who suffered blood clots, heart attacks or strokes after using the company's Ortho Evra birth-control patch, court records show. J&J, the world's largest maker of health-care products, avoided trials through the confidential settlements and hasn't released the financial details to investors. Of 562 complaints reviewed by Bloomberg News, the vast majority of users alleged the patch caused deep-vein thrombosis, or blood clots in the legs, and pulmonary embolisms, or blood clots in the lungs. Some blamed it for heart attacks or strokes. The complaints blamed Ortho Evra for the deaths of 20 women.
Read article at bloomberg.com