The sources provided do not mention any discount programs for Yervoy (ipilimumab). Yervoy is a prescription medication used to treat certain types of cancer and is classified as a biologic drug. According to Drug Patent Watch [1], Yervoy is currently protected by patents, which means that generic versions of the drug are not yet available. The European Medicines Agency [2] and the US Food and Drug Administration [3] provide information about the drug's indications, dosage, and side effects, but there is no mention of any discount programs or financial assistance for patients. It is important to note that the cost of Yervoy may vary depending on factors such as the patient's insurance coverage and the pharmacy where the medication is purchased. Patients who are prescribed Yervoy should consult with their healthcare provider and their insurance provider to determine the cost of the medication and any available financial assistance programs.

Sources:
[1] https://www.drugpatentwatch.com/p/biologics/tradename/YERVOY
[2] https://www.ema.europa.eu/en/medicines/human/EPAR/yervoy
[3] https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/125377s110lbl.pdf