Patent clarification -
They are very honest on their page about who was issued the patents.
"Dr. Chen is the primary inventor of Prolanta™ and a full-professor at Clemson University in South Carolina. He is an internationally-recognized molecular endocrinologist who has made significant contributions to the development of a growth hormone antagonist for the treatment of acromegaly, Somavert®.
During the past 15 years, Dr. Chen has focused his research on the role of prolactin in breast cancer. He has published more than 50 scientific papers and holds multiple patents. Dr. Chen currently leads studies to develop prolactin antagonists specifically designed for breast cancer. His work includes the potential use of human prolactin analogues as a mammary gland differentiation factor, which may open a new avenue for the use of hPRL antagonists/agonists as chemo-preventative agents.
Dr. Chen has been awarded five grants relating to prolactin research from agencies and organizations including The Department of Defense, US Army Research Command, the NIH/NCI and the Susan G. Komen Foundation. He has authored eight US patents
relating to prolactin."